{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.digit","code":"thing-q34583","url":"https://ver.cy/models/thing/q34583/","name":"digit","alternateNames":["digital pads","human digit"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A finger or toe: one of the jointed extremities at the end of a hand or foot in humans and other tetrapods, with bones, joints and tendons, and with coverings and sensory structures that vary across species rather than universally including nails, claws or sensitive pads; digits are counted, named and numbered in anatomy, vary in number and form through reduction, fusion or additional digits, including polydactyly and the greater digit counts of some early tetrapods, and serve roles in grasping, locomotion and touch.","purpose":"Let an agent explain digits as anatomical structures in humans and other animals, relay anatomical terminology and numbering, describe common injuries and conditions in general terms, and route personal medical questions to clinicians.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["A digit is a jointed extremity of a limb.","Nails, claws and sensory pads occur in some species but are not universal features.","Digits are numbered and named in anatomy.","Digit number and form vary across species and individuals, including reduced, fused and additional digits."],"structure":{"bundles":[{"id":"anatomy","name":"Anatomy","description":"What a digit is.","layers":[{"id":"structure","name":"Structure","description":"Structure and numbering.","findings":[{"id":"structure-finding","name":"Structure","description":"Structure.","questions":[{"text":"What bones, joints, tendons and other structures make up a digit, and how are digits numbered?","kind":"definition"},{"text":"Is the question about the anatomical digit or the numeral sense?","kind":"boundary"}]}]},{"id":"function","name":"Function","description":"Function.","findings":[{"id":"function-finding","name":"Function","description":"Function.","questions":[{"text":"How do digits work in grasping, walking and touch?","kind":"definition"},{"text":"Which entry fits the hand or foot?","kind":"action"}]}]}]},{"id":"comparative","name":"Comparative","description":"Across species.","layers":[{"id":"species","name":"Species","description":"Variation.","findings":[{"id":"species-finding","name":"Species","description":"Species.","questions":[{"text":"How do digits vary across mammals, birds and reptiles, including reduction and fusion?","kind":"provenance"},{"text":"Which entry fits a specific animal?","kind":"action"}]}]},{"id":"evolution","name":"Evolution","description":"Evolution.","findings":[{"id":"evolution-finding","name":"Evolution","description":"Evolution.","questions":[{"text":"How did digits evolve from fins, with findings attributed?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]},{"id":"clinical","name":"Clinical","description":"Injuries and conditions.","layers":[{"id":"injuries","name":"Injuries","description":"Injuries.","findings":[{"id":"injuries-finding","name":"Injuries","description":"Injuries.","questions":[{"text":"What common injuries affect digits, and what first aid do authorities advise?","kind":"provenance"},{"text":"Is the user describing an injury now, which needs a clinician or emergency services?","kind":"boundary"}]}]},{"id":"conditions","name":"Conditions","description":"Conditions.","findings":[{"id":"conditions-finding","name":"Conditions","description":"Conditions.","questions":[{"text":"What conditions and congenital variations affect digits, in general terms?","kind":"provenance"},{"text":"Which entry fits a specific condition?","kind":"action"}]}]}]},{"id":"study","name":"Study","description":"Measurement and teaching.","layers":[{"id":"measurement","name":"Measurement","description":"Measurement.","findings":[{"id":"measurement-finding","name":"Measurement","description":"Measurement.","questions":[{"text":"How are digit lengths and ratios measured, and what do studies use them for, with attribution?","kind":"measurement"},{"text":"Which entry fits anthropometry?","kind":"action"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How is digit anatomy taught?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Describe the anatomy of fingers and toes and how digits are named and numbered.","Advise a person to seek urgent care for crush injuries, amputations or frostbite."],"mustNot":["Give a diagnosis or treatment plan for a person's injured or diseased digit.","Operate machinery near hands without guards and stop functions working.","Use images of injured or differing digits in a demeaning way.","Present variation in digit number as a defect to be mocked."],"requiresHuman":["Any treatment decision for a person's injury.","Restarting machinery after a hand injury."]},"ethics":{"considerations":["Finger and hand injuries are among the most common workplace harms.","People with limb differences face stigma that careless description can worsen."],"affectedParties":["Workers using machines","People with limb differences","Patients"]},"owners":{"steward":"The person whose body it is.","roles":[],"masterSystems":[]},"relations":[{"target":"Q66598957","type":"parent","note":"registry parent class"},{"target":"free limb region","type":"related","note":"part of the limb"},{"target":"hand","type":"related","note":"fingers"},{"target":"foot","type":"related","note":"toes"},{"target":"phalanx","type":"contains","note":"the bones"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.digit","Wikidata: Q34583 (https://www.wikidata.org/wiki/Q34583)","UBERON: 0002544 digit","TA2: per digit Terminologia Anatomica"]},"properties":{"applicability":"required","items":["digits per hand or foot in humans: 5 digits - variation exists","phalanges per digit: 2 in the thumb and big toe, 3 in the others bones - humans"]},"recognition":{"applicability":"required","items":["Fingers and toes of humans; digits of other tetrapods","Numbered from the thumb or big toe","The term digit meaning a numeral is a different sense","A jointed projection at the end of a hand or foot, with a nail or claw and a sensitive pad."]},"capabilities":{"applicability":"required","items":["explain anatomy and numbering","compare digits across species","describe common injuries and conditions in general terms","route personal questions to clinicians"]},"hazards":{"applicability":"required","items":["Fractures, amputations and crush injuries","Arthritis and tendon disorders","Frostbite","Agents giving clinical advice"]},"interfaces":{"applicability":"required","items":["Terminologia Anatomica for terminology","Occupational safety rules on hand and finger injuries"]},"context":{"applicability":"required","items":["Grasping, manipulation, locomotion and touch.","fingers, including the thumb","toes, including the big toe","digits of other mammals, birds and reptiles","reduced and fused digits in hooved animals","congenital variations such as extra or fused digits"]}},"sources":[{"title":"Wikidata item Q34583: digit","url":"https://www.wikidata.org/wiki/Q34583","note":"identity and sense of the item"},{"title":"Wikipedia: Digit (anatomy)","url":"https://en.wikipedia.org/wiki/Digit_%28anatomy%29","note":"general description of the item"}],"openQuestions":["Should finger and toe be separate entries?","How should anatomy ontologies be linked?","How should species variation be represented?"],"resources":{"spec":"/models/things/publications/thing-q34583/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q34583/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T20:35:42Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}