{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T20:28:17Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T10:00:00Z", "ingestedAt": "2026-10-06T06:58:29+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:51:57+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q2308299", "registryId": "vr.tr.projectile-point", "name": "projectile point", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q2308299/", "model": { "registry_id": "vr.tr.projectile-point", "name": "projectile point", "purpose": "Let an agent explain what projectile points are and how archaeologists classify and date them, relay typologies and recording standards from archaeological references, relay finds law, and separate points from other stone tools and from modern arrowheads.", "definition": "The stone, bone, antler or metal tip fitted to an arrow, dart or spear, recovered as an archaeological artefact and classified by shape, size, hafting and manufacture into named types that help date sites and trace cultures; projectile points are among the most studied artefacts in prehistoric archaeology, especially in the Americas.", "what_it_is_for": "Not for anything today; evidence of past technology and culture.", "affordances": [ "explain form, manufacture and hafting", "explain typologies and dating", "relay recording and finds law", "distinguish points from other tools" ], "distinguishing_features": [ "Tip for a projectile", "Hafting element as the classifying feature", "Named types tied to periods and regions", "Manufacture by flaking, grinding or casting" ], "appearance": "A pointed, often bifacially flaked stone with a base for hafting, from a centimetre to over ten centimetres long.", "visual_identification": [ "Pointed tip with a hafting element: stem, notch or fluted base", "Bifacial flaking on stone examples", "Knives, scrapers and drills are other tool types" ], "physical_properties": [ { "quantity": "length", "typical_range": "about 1-15", "unit": "cm", "note": "" }, { "quantity": "materials", "typical_range": "chert, obsidian, quartzite, bone, antler, metal", "unit": "materials", "note": "" } ], "families_and_kinds": [ "dart and spear points", "arrow points", "fluted points such as Clovis and Folsom", "stemmed, notched and triangular types", "bone and antler points", "metal points" ], "related_models": [ { "relation": "is a kind of", "target": "archaeological artefact", "why": "a recovered object" }, { "relation": "is part of", "target": "projectile weapon", "why": "as a component in the past" }, { "relation": "is classified by", "target": "lithic typology", "why": "the method" }, { "relation": "is confused with", "target": "knife", "why": "a bifacial tool with a different use" } ], "identifiers": [ { "scheme": "type name", "value_or_pattern": "regional typology", "note": "such as Clovis or Adena" }, { "scheme": "find number", "value_or_pattern": "site record", "note": "" } ], "standards_and_regulation": [ "Antiquities and finds law on ownership and reporting", "Archaeological recording standards", "Rules on collecting from public lands" ], "failure_modes_and_hazards": [ "Loss of context through unrecorded collecting", "Misclassification and fakes", "Illegal collecting on protected land" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Describe and classify a projectile point from published typologies, stating the type and its dating basis.", "Record find details reported by archaeologists or finders to the relevant heritage record." ], "must_not": [ "Help locate, dig up or sell projectile points from protected sites or land without permission.", "Present a fake or modern reproduction as a genuine artefact.", "Strip a point of its find context in records or listings.", "Assign a point to a living community's ancestors without evidence or consultation." ], "requires_human": [ "Deciding on export, sale or repatriation of an artefact." ] }, "ethics": { "considerations": [ "Unrecorded collecting destroys the evidence that makes these objects meaningful.", "Many points come from lands of Indigenous peoples who have a stake in their care." ], "affected_parties": [ "Indigenous and descendant communities", "Archaeologists and museums", "Landowners" ] }, "owners": { "steward": "The landowner or the state, as heritage law decides; museums hold excavated material in trust.", "master_systems": [ "National and regional heritage and sites records" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q2308299: projectile point", "url": "https://www.wikidata.org/wiki/Q2308299", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Projectile point", "url": "https://en.wikipedia.org/wiki/Projectile_point", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "identify", "name": "Identify", "description": "What the point is.", "rationale": "Identity.", "layers": [ { "id": "form", "name": "Form", "description": "Form and hafting.", "findings": [ { "id": "form-finding", "name": "Form", "description": "Form.", "questions": [ { "text": "What are the shape, base, material and manufacture of the point?", "kind": "definition" }, { "text": "Is the object a projectile point or another tool?", "kind": "boundary" } ] } ] }, { "id": "type", "name": "Type", "description": "Type.", "findings": [ { "id": "type-finding", "name": "Type", "description": "Type.", "questions": [ { "text": "Which named type does it match, and which typology is used?", "kind": "provenance" }, { "text": "Which entry fits the specific type?", "kind": "action" } ] } ] } ] }, { "id": "date", "name": "Date", "description": "Dating and culture.", "rationale": "Method.", "layers": [ { "id": "dating", "name": "Dating", "description": "Dating.", "findings": [ { "id": "dating-finding", "name": "Dating", "description": "Dating.", "questions": [ { "text": "How are points dated by typology and by context, and with what uncertainty?", "kind": "measurement" }, { "text": "Which entry fits archaeological dating?", "kind": "action" } ] } ] }, { "id": "culture", "name": "Culture", "description": "Cultural attribution.", "findings": [ { "id": "culture-finding", "name": "Culture", "description": "Culture.", "questions": [ { "text": "What do points tell about technology, hunting and cultural change, with interpretations attributed?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] } ] }, { "id": "record", "name": "Record", "description": "Finds and law.", "rationale": "Law.", "layers": [ { "id": "finds", "name": "Finds", "description": "Reporting finds.", "findings": [ { "id": "finds-finding", "name": "Finds", "description": "Finds.", "questions": [ { "text": "What must a finder do under local law, and how should a find be recorded?", "kind": "provenance" }, { "text": "Is the user asking about a specific find, which needs the heritage authority?", "kind": "boundary" } ] } ] }, { "id": "collecting", "name": "Collecting", "description": "Collecting rules.", "findings": [ { "id": "collecting-finding", "name": "Collecting", "description": "Collecting.", "questions": [ { "text": "What rules govern collecting and trading points, especially on public and Indigenous lands?", "kind": "provenance" }, { "text": "Which entry fits cultural property law?", "kind": "action" } ] } ] } ] }, { "id": "study", "name": "Study", "description": "Research and teaching.", "rationale": "Study.", "layers": [ { "id": "analysis", "name": "Analysis", "description": "Analysis methods.", "findings": [ { "id": "analysis-finding", "name": "Analysis", "description": "Analysis.", "questions": [ { "text": "How are points analysed, from use-wear to sourcing of stone?", "kind": "provenance" }, { "text": "Which entry fits lithic analysis?", "kind": "action" } ] } ] }, { "id": "teach", "name": "Teach", "description": "Teaching.", "findings": [ { "id": "teach-finding", "name": "Teach", "description": "Teaching.", "questions": [ { "text": "How are projectile points taught in archaeology?", "kind": "action" }, { "text": "Which misconceptions arise, such as calling all points arrowheads?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should major point types be separate entries?", "How should regional typologies be linked?", "The registry entry has merged aliases naming many specific types; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }