{
  "contract": "aesthetary.record/1.0",
  "record_spec": "1.1.0",
  "semantics": {
    "vocabulary": "aesthetary.public-evidence/1.0",
    "definitions": "vocabulary.json"
  },
  "slug": "blueprint",
  "name": "Blueprint",
  "identity": {
    "definition": {
      "state": "resolved",
      "text": "Cyanotype blue ground, white line drawings, dimension callouts, title block panel"
    },
    "scope": {
      "state": "resolved",
      "text": "The visual register of the cyanotype blueprint, an 1842 reproduction process: white line reversed out of Prussian blue, as Aesthetary's drawing language; the title block and dimension callouts are unverified drafting conventions we add.",
      "ruling": "D0-1"
    },
    "aliases": [
      "schematic",
      "cyanotype",
      "technical drawing",
      "wireframe"
    ],
    "layer_verdict": {
      "state": "ruled",
      "value": "belongs_at_another_layer",
      "ruling": "D0-1"
    }
  },
  "native_medium": {
    "state": "resolved",
    "value": [
      "print"
    ],
    "evidence": {
      "quote": "A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842.",
      "field": "kcc.json#blueprint/medium (claim kcc:medium)"
    },
    "ruling": "Knowledge Completion Campaign (founder instruction, 2026-09-29)"
  },
  "research": {
    "line": "partly_sourced",
    "text": "Partly sourced",
    "sentence": "7 sources attached. 2 claims graded by our research brief, no source attached."
  },
  "areas": [
    {
      "area": "layout",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "typography",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "color",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "imagery",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "surface",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": null,
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "interface",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": null,
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "motion",
      "state": "resolved",
      "canon": "not_canonically_specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Not specified by the source"
      }
    },
    {
      "area": "motif",
      "state": "resolved",
      "canon": "excluded",
      "importance": "unknown",
      "posture_basis": null,
      "label": {
        "text": "Ruled out"
      }
    },
    {
      "area": "technique",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": null,
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "form",
      "state": "resolved",
      "canon": "not_applicable",
      "importance": "unknown",
      "posture_basis": null,
      "label": {
        "text": "Does not apply"
      }
    },
    {
      "area": "hierarchy",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "density",
      "state": "resolved",
      "canon": "not_canonically_specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Not specified by the source"
      }
    }
  ],
  "claims": [
    {
      "id": "layout-3",
      "text": "Composition: sheet frame, corner title block, grid refs.",
      "role": "rule",
      "area": "layout",
      "basis": "documentary",
      "support": {
        "state": "graded_unlinked",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "graded",
        "mark": "none",
        "text": "Graded by our research brief · No source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "color-5",
      "text": "Colour: cyanotype blue, white line.",
      "role": "rule",
      "area": "color",
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "imagery-7",
      "text": "Imagery: technical linework only.",
      "role": "rule",
      "area": "imagery",
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "surface-8",
      "text": "Form / motif / surface / technique: cyanotype reproduction.",
      "role": "rule",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "bp-r1",
      "text": "White line work reversed out of a saturated Prussian-blue ground. The colour is not a palette choice: the cyanotype process produces exactly this, and a blueprint in another colour is a drawing that is not a blueprint.",
      "role": "rule",
      "area": "color",
      "basis": "documentary",
      "support": {
        "state": "graded_unlinked",
        "for": [],
        "against": [
          "mass-01:blueprint:PSAP_BLUEPRINT"
        ],
        "contested": true
      },
      "label": {
        "kind": "graded",
        "mark": "none",
        "text": "Graded by our research brief · No source attached · disputed"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "bp-r2",
      "text": "A ruled title block in the sheet corner carries drawing number, revision and owner. For A0-A3 sheets the standard places it bottom right.",
      "role": "rule",
      "area": null,
      "basis": "documentary",
      "support": {
        "state": "cited_unverified",
        "for": [
          "named:blueprint:iso-7200"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "unverified",
        "text": "Documented · Source not yet verified"
      },
      "derives_from": [],
      "ruling": "D0-3 C4b D5"
    },
    {
      "id": "failure-1",
      "text": "No perspective.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-2",
      "text": "No decorative linework.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-3",
      "text": "No callout without a real measurement.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-4",
      "text": "No colour beyond the blue ground and white line.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-5",
      "text": "No photography.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-7",
      "text": "Not open: perspective.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-8",
      "text": "Not open: decorative apparatus.",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "failure-9",
      "text": "Not open: empty title block..",
      "role": "negative",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "intent-negation",
      "text": "Refuses perspective, decoration, and any mark that does not carry dimensional or identifying information.",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "intent-cost",
      "text": "Costs accepted: Warmth; Persuasion; Anything not measurable",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "intent-audience",
      "text": "Audience: A reader who can read a drawing and will check it against the object.",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-distinguishing",
      "text": "Drafting conventions used as layout structure, not decoration",
      "role": "diagnostic",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-era",
      "text": "Era: modernist, contemporary",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-mood",
      "text": "Mood: technical, serious",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-cross-library",
      "text": "Cross-library: Imagery: technical linework · Layout: title-block panels",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-applications",
      "text": "Common applications: Architecture, engineering, construction",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "sector-registers",
      "text": "Sectors: Architecture, engineering, construction",
      "role": "context",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C3 sector"
    },
    {
      "id": "surface-8.technique",
      "text": "Technique: cyanotype reproduction",
      "role": "rule",
      "area": "technique",
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "motion-reason",
      "text": "A drawing does not animate.",
      "role": "context",
      "area": "motion",
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "freedom-typography",
      "text": "Declared freedom: typography.",
      "role": "context",
      "area": "typography",
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "declared-freedom",
      "text": "Declared freedom: density of callouts.",
      "role": "context",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-1",
      "text": "The blueprint is a single-layer print: Prussian-blue pigment in the fibres of uncoated paper or cloth, with no binder layer.",
      "role": "rule",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S1"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-2",
      "text": "The surface is extremely matte, the paper or cloth texture is visible and usually rough, and the blue ground has continuous tone.",
      "role": "diagnostic",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S1"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-3",
      "text": "The verso is usually the colour of the support (white or off-white).",
      "role": "diagnostic",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S1"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-4",
      "text": "A 1911 manual notes that prints from some papers need more exposure and look mottled, plainly showing texture and watermarks.",
      "role": "context",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "French 1911"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-5",
      "text": "Supports included paper, linen (which shrank), imitation vellum and later polyester film.",
      "role": "context",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S3"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-6",
      "text": "Prints were made quickly and cheaply for an ephemeral purpose, not long-term stability; the 1911 manual says the sensitised material darkens and spoils with age or exposure to light or air; faded blueprints can regain substantial density in dark storage.",
      "role": "context",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S1",
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:surface-7",
      "text": "Corrections were made by bleaching the blue with an alkaline solution, which leaves white marks on the ground.",
      "role": "context",
      "area": "surface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "French 1911"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:typography-1",
      "text": "A 1911 engineering manual prescribes, for working drawings (which blueprints reproduce), rapid single-stroke lettering, vertical or inclined with inclined preferred, and titles in freehand single-stroke capitals.",
      "role": "rule",
      "area": "typography",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S3",
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "working drawings, French 1911"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:typography-2",
      "text": "A 1911 engineering manual condemned ruled geometrical and block letters.",
      "role": "negative",
      "area": "typography",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "1911"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:typography-3",
      "text": "Large offices sometimes had title forms printed in type on the tracing cloth, which then reproduced in the print.",
      "role": "context",
      "area": "typography",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:typography-4",
      "text": "Later standards list templates among lettering techniques and require lettering fit for copying processes.",
      "role": "context",
      "area": "typography",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S8"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "ISO 3098-0, 1997: after the blueprint era"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:interface-1",
      "text": "A 1911 manual instructs that working drawings be laid out with a border and says the title is usually boxed in the lower right corner; blueprints reproduced these.",
      "role": "rule",
      "area": "interface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "French 1911"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:interface-2",
      "text": "Current standards put the title block bottom right on A0 to A3 sheets inside a 0.7 mm frame, and define its fields (legal owner, identification number, revision index).",
      "role": "rule",
      "area": "interface",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S6",
          "kcc-blueprint-S7"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "ISO 5457 / ISO 7200: post-blueprint standards"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:motif-1",
      "text": "The drafting practice blueprints reproduced rejected ornament: intricate border corners, elaborate north points and ornamental titles were condemned as a waste of time and in bad taste.",
      "role": "negative",
      "area": "motif",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S2"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "French 1911, on plats/land maps; the same manual condemns ornamental block lettering"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:motif-2",
      "text": "The only recurring non-content marks found are functional sheet marks such as the frame and reproduction centring marks.",
      "role": "context",
      "area": "motif",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S6"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "scope": {
        "practice": "ISO 5457"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:form-1",
      "text": "A blueprint is a flat, single-layer sheet, usually large, stored flat or rolled.",
      "role": "context",
      "area": "form",
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S1"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "kcc:medium",
      "text": "Native medium: print.",
      "role": "context",
      "area": null,
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S3",
          "kcc-blueprint-S1"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "idr:boundary-engineering-drawing",
      "text": "Blueprint is not Engineering Drawing's parent, nor its child. A blueprint is a reproduction of an engineering drawing made by a contact print process, and engineering drawings are made to suit several copying processes (diazo, microfilm, telefax). The two share the drawing's conventions (projected views, title block, dimensions); Engineering Drawing is the drawing, Blueprint the cyanotype print of it. Against Cartographic: an object to be built versus terrain to be traversed. Anti-signature: decorative callouts that measure nothing; perspective; a title block holding no metadata.",
      "role": "boundary",
      "area": null,
      "basis": "documentary",
      "support": {
        "state": "cited",
        "for": [
          "kcc-blueprint-S3"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "attached",
        "text": "Documented · Source attached"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "idr:gestalt",
      "text": "White line work reversed out of a saturated cyanotype-blue ground, with projected views, dimension callouts and a ruled title block: the conventions of the engineering drawing it reproduces. The blue is the chemistry of the contact print. The diagnostic condition is that the apparatus is load-bearing: the title block identifies the document and the callouts measure the object.",
      "role": "diagnostic",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [
        "bp-r1",
        "bp-r2",
        "kcc:surface-1"
      ],
      "ruling": null
    },
    {
      "id": "dcc:intent",
      "text": "A drawing that will be built from has no room for interpretation. Every line weight, callout and panel exists so that a reader in another workshop can reconstruct the object exactly, and the blueprint is the quick, cheap contact copy that carries the drawing there: white line on Prussian blue is the chemistry of that copy, not a style.",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [
        "idr:boundary-engineering-drawing",
        "kcc:surface-1",
        "kcc:surface-6"
      ],
      "ruling": null
    },
    {
      "id": "dcc:hierarchy-13",
      "text": "Rank by line weight, as the engineering drawing it reproduces does: outlines wide, hidden detail dashed, dimension and witness lines narrow. The print carries the drawing's widths; it adds none of its own.",
      "role": "rule",
      "area": "hierarchy",
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [
        "idr:boundary-engineering-drawing"
      ],
      "ruling": null
    },
    {
      "id": "dcc:typography-4",
      "text": "A plain single-stroke letter, capitals for titles, at one or two sizes: the freehand lettering of the working drawings blueprints reproduce. Ruled block letters were condemned in the period; templates belong to later standards.",
      "role": "rule",
      "area": "typography",
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [
        "kcc:typography-1",
        "kcc:typography-2",
        "kcc:typography-4"
      ],
      "ruling": null
    }
  ],
  "web_translations": [],
  "standard_practice": [],
  "sources": [
    {
      "id": "mass-01:blueprint:PSAP_BLUEPRINT",
      "kind": "source",
      "title": "Preservation Self-Assessment Program - Architectural Papers (Blueprint)",
      "url": "https://psap.library.illinois.edu/advanced-help/paper-unbound-architectural-blueprint",
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "named:blueprint:iso-7200",
      "kind": "source",
      "title": "ISO 7200",
      "url": null,
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "kcc-blueprint-S1",
      "kind": "source",
      "title": "Preservation Self-Assessment Program - Architectural Papers (Blueprint)",
      "url": "https://psap.library.illinois.edu/advanced-help/paper-unbound-architectural-blueprint",
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "kcc-blueprint-S2",
      "kind": "source",
      "title": "A manual of engineering drawing for students and draftsmen",
      "url": "https://archive.org/stream/manualofengineer00frenrich/manualofengineer00frenrich_djvu.txt",
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "kcc-blueprint-S3",
      "kind": "source",
      "title": "Blueprint",
      "url": "https://en.wikipedia.org/wiki/Blueprint",
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "kcc-blueprint-S6",
      "kind": "source",
      "title": "ISO 5457:1999 Technical product documentation - Sizes and layout of drawing sheets (sample)",
      "url": "https://cdn.standards.iteh.ai/samples/29017/e46c0ec5d98f470aab82dae76889f229/ISO-5457-1999.pdf",
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "kcc-blueprint-S7",
      "kind": "source",
      "title": "ISO 7200:2004 Technical product documentation - Data fields in title blocks and document headers (sample)",
      "url": "https://cdn.standards.iteh.ai/samples/35446/d3b0887cb4fa47f49f8718807d3b8903/ISO-7200-2004.pdf",
      "status": "verified",
      "retrieval": "retrieved"
    },
    {
      "id": "kcc-blueprint-S8",
      "kind": "source",
      "title": "ISO 3098-0:1997 Technical product documentation - Lettering - Part 0: General requirements (sample)",
      "url": "https://cdn.standards.iteh.ai/samples/24792/1811286881f24ea49763a66a747029c8/ISO-3098-0-1997.pdf",
      "status": "verified",
      "retrieval": "retrieved"
    }
  ],
  "relations": [
    {
      "slug": "engineering-drawing",
      "kind": "confused_with",
      "status": "proposed"
    },
    {
      "slug": "cartographic",
      "kind": "confused_with",
      "status": "proposed"
    }
  ],
  "open": [
    {
      "kind": "missing_research",
      "question": "Did blueprint-era drawings use lettering templates or stencils?"
    }
  ],
  "aesthetary_build": {
    "note": "Values Aesthetary built with. Not claims about the Aesthetic.",
    "measured": {
      "note": "Read from the page's own stylesheet at build time. Values Aesthetary built with, not claims about the Aesthetic.",
      "slug": "blueprint",
      "stylesheet": "blueprint.css",
      "bytes": 14227,
      "colours": [
        "#16355F",
        "#1B3D6D",
        "#EAF1FB"
      ],
      "radii": [
        "50%"
      ],
      "fontSizes": [
        "12px",
        "13px",
        "14px",
        "16px",
        "18px",
        "22px"
      ],
      "faces": [
        "PlexSansX",
        "PlexMonoX"
      ],
      "tokens": [
        {
          "name": "--bp-b1",
          "value": "#16355F"
        },
        {
          "name": "--bp-b2",
          "value": "#1B3D6D"
        },
        {
          "name": "--bp-w",
          "value": "#EAF1FB"
        },
        {
          "name": "--bp-wd",
          "value": "rgba(234, 241, 251, 0.62)"
        },
        {
          "name": "--bp-wf",
          "value": "rgba(234, 241, 251, 0.14)"
        },
        {
          "name": "--bp-sans",
          "value": "\"PlexSansX\", \"IBM Plex Sans\", \"Helvetica Neue\", Arial, sans-serif"
        },
        {
          "name": "--bp-mono",
          "value": "\"PlexMonoX\", \"IBM Plex Mono\", ui-monospace, Menlo, monospace"
        },
        {
          "name": "--bp-gutter",
          "value": "clamp(12px, 3vw, 32px)"
        }
      ],
      "animates": false,
      "absent": [
        "no box-shadow anywhere",
        "no gradient anywhere",
        "no text-shadow anywhere",
        "nothing animates"
      ]
    },
    "design_grammar": {
      "note": "Aesthetary's translation of this record into web primitives. Every value carries a basis: \"record\" is a rule the record holds (cites names it), \"translation\" is our choice derived from the cited rules (because says how), \"not_recorded\" means the record is silent (guidance says what to do). A \"record\" value restates a claim the record holds; its standing is that claim's own kind in the record (a requirement, period practice, modern practice, or our interpretation), which the cited rule states. \"record\" does not by itself make a value a property of the language.",
      "slug": "blueprint",
      "version": "2026-09-29",
      "summary": "A starting grammar for a website in Blueprint: one matte sheet of Prussian blue, white line in a fixed width series, a frame and a ruled title block that hold real information, and nothing that measures nothing.",
      "color": {
        "roles": [
          {
            "role": "ground",
            "value": "#16355F",
            "use": "The print: continuous-tone Prussian blue.",
            "basis": "record",
            "cites": [
              "token_rule:bp-r1"
            ]
          },
          {
            "role": "sheet",
            "value": "#1B3D6D",
            "use": "The sheet inside the frame, one step lighter.",
            "basis": "translation",
            "cites": [
              "token_rule:bp-r1",
              "claim:kcc:surface-2"
            ]
          },
          {
            "role": "line",
            "value": "#EAF1FB",
            "contrast": "10.8:1",
            "use": "Every line and all lettering.",
            "basis": "record",
            "cites": [
              "token_rule:bp-r1"
            ]
          },
          {
            "role": "line-muted",
            "value": "rgba(234, 241, 251, 0.62)",
            "contrast": "5.2:1",
            "use": "Field names, grid references, secondary lettering.",
            "basis": "translation",
            "cites": [
              "token_rule:bp-r1"
            ]
          }
        ],
        "alternates": [],
        "rules": [
          {
            "rule": "Reverse white line out of a saturated Prussian-blue ground; in another colour it is not a blueprint.",
            "basis": "record",
            "cites": [
              "token_rule:bp-r1"
            ]
          },
          {
            "rule": "Use no colour beyond the blue ground and the white line.",
            "basis": "record",
            "cites": [
              "claim:failure-4"
            ]
          },
          {
            "rule": "Mute secondary lettering by lowering the white, never with a second hue.",
            "basis": "translation",
            "cites": [
              "token_rule:bp-r1",
              "claim:kcc:surface-2"
            ],
            "because": "Two inks only, and the blue is continuous tone, not a palette."
          }
        ]
      },
      "typography": {
        "family": {
          "stack": "\"PlexSansX\", \"IBM Plex Sans\", \"Helvetica Neue\", Arial, sans-serif",
          "class": "a plain sans (the record declares typography free; IBM Plex is the room's choice)"
        },
        "tokens": {
          "font-mono": "\"PlexMonoX\", \"IBM Plex Mono\", ui-monospace, Menlo, monospace"
        },
        "roles": [
          {
            "role": "title",
            "size": "clamp(2.25rem, 5.6vw, 6rem)",
            "weight": 300,
            "lineHeight": "0.95",
            "case": "uppercase",
            "tracking": "0.14em",
            "measure": null,
            "use": "The sheet's title, once."
          },
          {
            "role": "heading",
            "size": "clamp(1.25rem, 2.4vw, 1.75rem)",
            "weight": 500,
            "lineHeight": "1.2",
            "case": "uppercase",
            "tracking": "0.06em",
            "measure": null,
            "use": "View titles."
          },
          {
            "role": "body",
            "size": "1rem",
            "weight": 400,
            "lineHeight": "1.6",
            "case": null,
            "tracking": null,
            "measure": "68ch",
            "use": "Notes."
          },
          {
            "role": "label",
            "size": "0.75rem",
            "weight": 500,
            "lineHeight": "1.3",
            "case": "uppercase",
            "tracking": "0.1em",
            "measure": null,
            "setting": "mono",
            "use": "Field names, grid references, scale notes."
          }
        ],
        "rules": [
          {
            "rule": "Letter plainly in single strokes, capitals for titles, at one or two sizes.",
            "basis": "record",
            "cites": [
              "claim:dcc:typography-4"
            ]
          },
          {
            "rule": "No ruled geometric or block letters.",
            "basis": "record",
            "cites": [
              "claim:kcc:typography-2"
            ]
          },
          {
            "rule": "Title forms may be set in type rather than lettered.",
            "basis": "translation",
            "cites": [
              "claim:kcc:typography-3"
            ],
            "because": "Large offices had title forms printed in type on the tracing cloth, which then reproduced in the print."
          },
          {
            "rule": "Any plain sans will do; IBM Plex and its wide tracking are this room's choice.",
            "basis": "translation",
            "cites": [
              "claim:freedom-typography"
            ],
            "because": "The record declares typography a freedom."
          }
        ]
      },
      "gridLayout": {
        "summary": "One drawing sheet, continued down the screen: a white frame with an inner rule, grid references on the border, centring marks at mid-sides, the drawing's views, and a ruled title block in the lower right corner.",
        "tokens": {
          "frame": "4px",
          "frame-inner": "1px",
          "sheet-pad": "clamp(16px, 3vw, 28px)"
        },
        "rules": [
          {
            "rule": "Compose as a sheet: frame, corner title block, grid references.",
            "basis": "record",
            "cites": [
              "token_rule:layout-3"
            ]
          },
          {
            "rule": "Box the title block in the corner, bottom right, holding drawing number, revision and owner.",
            "basis": "record",
            "cites": [
              "token_rule:bp-r2"
            ]
          },
          {
            "rule": "Mark the sheet only with functional marks, such as the frame and the centring marks.",
            "basis": "record",
            "cites": [
              "claim:kcc:motif-2"
            ]
          },
          {
            "rule": "Let the sheet continue down the page, one border from top to foot.",
            "basis": "translation",
            "cites": [
              "claim:kcc:form-1",
              "token_rule:layout-3"
            ],
            "because": "A blueprint is a large flat sheet; a screen shows a large sheet by scrolling it."
          }
        ]
      },
      "shapeGeometry": {
        "tokens": {
          "line-wide": "4px",
          "line-mid": "2px",
          "line-narrow": "1px",
          "radius": "0"
        },
        "rules": [
          {
            "rule": "Rank by line width: outlines wide, hidden detail dashed, dimension and witness lines narrow.",
            "basis": "record",
            "cites": [
              "claim:dcc:hierarchy-13"
            ]
          },
          {
            "rule": "Take every width from one series in the ratio 4:2:1 (4px, 2px, 1px here); no hairline.",
            "basis": "translation",
            "cites": [
              "claim:dcc:hierarchy-13",
              "claim:idr:boundary-engineering-drawing"
            ],
            "because": "The print carries the widths of the drawing it reproduces and adds none of its own."
          },
          {
            "rule": "No decorative linework, no intricate border corners, no ornamental titles.",
            "basis": "record",
            "cites": [
              "claim:failure-2"
            ]
          },
          {
            "rule": "Keep every corner square.",
            "basis": "translation",
            "cites": [
              "claim:kcc:motif-1"
            ],
            "because": "The practice blueprints reproduced condemned ornament; a rounded box is ornament here."
          }
        ]
      },
      "imagery": {
        "rules": [
          {
            "rule": "Use technical linework only.",
            "basis": "record",
            "cites": [
              "token_rule:imagery-7"
            ]
          },
          {
            "rule": "Draw projected views, never perspective.",
            "basis": "record",
            "cites": [
              "claim:failure-1"
            ]
          },
          {
            "rule": "Give every callout a real measurement.",
            "basis": "record",
            "cites": [
              "claim:failure-3"
            ]
          },
          {
            "rule": "No photography.",
            "basis": "record",
            "cites": [
              "claim:failure-5"
            ]
          }
        ]
      },
      "components": {
        "button": {
          "name": "Button",
          "becomes": "A ruled box in white line on the blue; pressed, it is bleached: white ground, blue lettering.",
          "anatomy": [
            "2px white outline",
            "label in the mono face, capitals",
            "square corners"
          ],
          "tokens": {
            "border": "2px solid #EAF1FB",
            "background": "transparent",
            "hover": "#EAF1FB fill, #16355F label",
            "radius": "0",
            "minHeight": "44px"
          },
          "states": {
            "default": "White line on the blue.",
            "hover": "White fill, blue label: the bleached patch. The swap is instant.",
            "focus": "2px white outline 3px outside the box.",
            "active": "White fill.",
            "disabled": "Dashed narrow outline, label in the muted white."
          },
          "accessibility": [
            "White on the blue at 10.8:1, and the same pair inverted.",
            "At least 44px tall."
          ],
          "values": [
            {
              "rule": "Draw the button as a white outline on the blue, square.",
              "basis": "translation",
              "cites": [
                "token_rule:bp-r1"
              ],
              "because": "Two inks only: white line reversed out of the Prussian-blue ground."
            },
            {
              "rule": "Show the pressed and hover states as a white patch with blue lettering.",
              "basis": "translation",
              "cites": [
                "claim:kcc:surface-7"
              ],
              "because": "Corrections bleached out of the blue leave white marks; an inverted patch is the print's own way of changing a mark."
            }
          ]
        },
        "card": {
          "name": "Card",
          "becomes": "A lettered view: a white frame headed by its view letter in a circle, a title, and a scale note.",
          "anatomy": [
            "1px white frame",
            "view letter in a 2px circle",
            "title in capitals, underlined 2px",
            "scale note in mono at right"
          ],
          "tokens": {
            "border": "1px solid #EAF1FB",
            "bubble": "2px circle",
            "rule": "2px under the title"
          },
          "states": {
            "default": "Frame, letter, title, scale.",
            "hover": "The title's underline doubles to 4px.",
            "focus": "2px white outline outside the frame."
          },
          "accessibility": [
            "The whole card is one link; the letter is part of its name.",
            "The scale note is text, not decoration."
          ],
          "values": [
            {
              "rule": "Head each card with a view letter and title, like a view on the sheet.",
              "basis": "translation",
              "cites": [
                "token_rule:layout-3"
              ],
              "because": "Drafting conventions are the layout structure: the sheet is divided into views and a title block."
            },
            {
              "rule": "Say only what is true in the scale note (\"NOT TO SCALE\" where nothing is measured).",
              "basis": "translation",
              "cites": [
                "claim:failure-3"
              ],
              "because": "No callout without a real measurement."
            }
          ]
        },
        "input": {
          "name": "Input",
          "becomes": "A title-block row: the field name in the left cell, the entry in the right, ruled in white line.",
          "anatomy": [
            "2px white outer rule",
            "1px rule between label cell and entry",
            "field name in capitals, muted white",
            "entry in the sans"
          ],
          "tokens": {
            "border": "2px solid #EAF1FB",
            "divider": "1px solid #EAF1FB",
            "height": "3rem",
            "radius": "0"
          },
          "states": {
            "default": "A ruled row.",
            "focus": "Outer rule to 3px, and a white outline.",
            "error": "Message below in white, beginning \"Error:\", beside a bleached (white) mark.",
            "disabled": "Dashed rules."
          },
          "accessibility": [
            "The field name is a real label.",
            "Errors are words; there is no red to rely on."
          ],
          "values": [
            {
              "rule": "Build a form as rows of a title block: a named field and its entry.",
              "basis": "translation",
              "cites": [
                "token_rule:bp-r2"
              ],
              "because": "The title block holds drawing number, revision and owner in ruled cells; a form is a set of named fields."
            },
            {
              "rule": "The sources do not specify an error colour.",
              "basis": "not_recorded",
              "cites": [
                "claim:failure-4"
              ],
              "guidance": "The print has two inks. Say errors in words and mark them with a white patch; do not add red.",
              "silence": "source"
            }
          ]
        },
        "navigation": {
          "name": "Navigation",
          "becomes": "The grid references: sections lettered along the top border of the sheet, the current one boxed in white line.",
          "anatomy": [
            "letters or short labels in mono capitals",
            "spaced along the frame",
            "current section in a 1px box"
          ],
          "tokens": {
            "color": "rgba(234, 241, 251, 0.62)",
            "current": "#EAF1FB, 1px box"
          },
          "states": {
            "default": "Muted white letters on the border.",
            "hover": "Full white, dashed underline.",
            "focus": "2px white outline.",
            "current": "Full white in a 1px box, aria-current set."
          },
          "accessibility": [
            "Each reference is a link with its section name, not the letter alone.",
            "At least 44px tap target."
          ],
          "values": [
            {
              "rule": "Put the navigation on the sheet's grid references, one letter per section.",
              "basis": "translation",
              "cites": [
                "token_rule:layout-3",
                "claim:kcc:motif-2"
              ],
              "because": "Grid references are part of the sheet's composition, and the only recurring non-content marks are the sheet's functional ones."
            }
          ]
        }
      },
      "motion": {
        "spec": null,
        "rules": [
          {
            "rule": "Do not animate; state changes are instant swaps.",
            "basis": "translation",
            "cites": [
              "claim:motion-reason"
            ],
            "because": "A drawing does not animate, and the source does not specify motion."
          }
        ]
      },
      "dimensions": [
        {
          "key": "print",
          "label": "The print",
          "summary": "The blue is a single-layer print, pigment in the fibres of uncoated paper or cloth: extremely matte, texture visible, continuous tone, sometimes mottled; corrections are bleached out and leave white marks.",
          "tokens": {
            "grain-opacity": "0.09",
            "mottle-opacity": "0.35"
          },
          "values": [
            {
              "rule": "Keep the ground extremely matte, the paper's texture visible, and the blue in continuous tone.",
              "basis": "record",
              "cites": [
                "claim:kcc:surface-2"
              ]
            },
            {
              "rule": "Make corrections by bleaching: a white mark on the ground.",
              "basis": "record",
              "cites": [
                "claim:kcc:surface-7"
              ]
            },
            {
              "rule": "Build the grain and mottle as scalable noise fills at low opacity, never a photograph of paper and never a gloss or gradient.",
              "basis": "translation",
              "cites": [
                "claim:kcc:surface-1",
                "claim:kcc:surface-2",
                "claim:kcc:surface-4"
              ],
              "because": "The print has no binder layer and shows its support; noise at low opacity keeps the tone continuous."
            }
          ]
        }
      ],
      "notRecorded": [
        {
          "category": "typography",
          "what": "A typeface",
          "why": "Typography is a declared freedom; the record documents lettering practice, not a face."
        },
        {
          "category": "motion",
          "what": "Any motion",
          "why": "Not specified by the source; a drawing does not animate, and this grammar chooses none."
        },
        {
          "category": "gridLayout",
          "what": "Density of callouts",
          "why": "Density is not specified by the source and is a declared freedom."
        },
        {
          "category": "components",
          "what": "Screen components",
          "why": "The record documents the sheet's own conventions (border, title block and its fields), not screen controls. All four components are translations of the sheet, the title block and the two inks."
        }
      ],
      "silence": {
        "color": "source",
        "typography": "source",
        "gridLayout": "source",
        "shapeGeometry": "source",
        "imagery": "source",
        "components": "source",
        "motion": "source"
      },
      "uiNote": "The record documents interface conventions for Blueprint. These four components are contemporary builds on those conventions, not historical artefacts."
    }
  }
}