{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.penis-captivus","code":"thing-q940409","url":"https://ver.cy/models/thing/q940409/","name":"penis captivus","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.STA"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Penis captivus is the reported phenomenon of temporary inability to withdraw a penis from the vagina during intercourse, conventionally attributed to involuntary contraction of the surrounding vaginal musculature.","purpose":"Enable an agent to recognise and assess reports of penis captivus while distinguishing observed inability to withdraw a penis from a vagina from proposed mechanisms, neighbouring conditions and unverified narratives.","scope":{"in":["Reports of inability to withdraw after vaginal penetration has occurred","Episode onset, persistence, release and immediate aftermath","Evidence supporting or challenging each reported episode","Proposed muscular and erectile contributions, explicitly separated from observations","Episode-specific assessment and documented responses"],"out":["Vaginismus and genito-pelvic pain or penetration disorder as broader conditions","Priapism and other erectile disorders outside the reported entrapment episode","Penile entrapment by devices, rings or other external objects","Normal copulatory ties in nonhuman animals","General sexual functioning, relationship assessment and sexual-health treatment"],"boundaries":[]},"distinguishingFeatures":["The account must describe penetration followed by inability to withdraw; difficulty achieving penetration alone does not meet the working definition.","Pain, tightness or reluctance to move alone does not establish physical inability to withdraw.","The reported retaining site is the vagina; an external constricting object belongs to a different entrapment model.","A persistent erection alone does not establish penis captivus; inability to withdraw must also be reported.","A proposed pelvic-floor contraction is a mechanism claim to assess, not sufficient evidence that an episode occurred."],"structure":{"bundles":[{"id":"episode-identity","name":"Episode identity","description":"Establishes what an account means by penis captivus and whether it describes the modelled event.","layers":[{"id":"withdrawal-failure","name":"Withdrawal failure","description":"Identifies the defining sequence of penetration followed by reported inability to withdraw.","findings":[{"id":"qualifying-event-sequence","name":"Qualifying event sequence","description":"Record penetration, the reported inability to withdraw and the basis for calling it an inability as separate elements.","questions":[{"text":"Does the account explicitly describe vaginal penetration before withdrawal became impossible?","id":"qualifying-event-sequence-q01","kind":"definition"},{"text":"What distinguishes physical inability to withdraw from pain, fear or a decision to remain still in this account?","id":"qualifying-event-sequence-q02","kind":"boundary"}]}]},{"id":"neighbouring-phenomena","name":"Neighbouring phenomena","description":"Tests whether the episode belongs to a broader or different condition.","findings":[{"id":"alternative-classification","name":"Alternative classification","description":"Assess penetration difficulty, erection persistence and external constriction independently rather than treating them as synonyms for penis captivus.","questions":[{"text":"Does the account describe only difficulty with penetration or a persistent erection without withdrawal failure?","id":"alternative-classification-q01","kind":"boundary"},{"text":"Is retention attributed to vaginal tissues, an external object or an unspecified obstruction?","id":"alternative-classification-q02","kind":"boundary"}]}]}]},{"id":"report-credibility","name":"Report credibility","description":"Separates episode evidence from the historical circulation of the claim.","layers":[{"id":"observation-provenance","name":"Observation provenance","description":"Identifies who observed what and when it was recorded.","findings":[{"id":"account-basis","name":"Account basis","description":"Distinguish participant testimony, direct clinical observation, later recollection and secondhand narration without automatically accepting or rejecting any category.","questions":[{"text":"Was the author present during the inability to withdraw, or did they learn of it afterward?","id":"account-basis-q01","kind":"provenance"},{"text":"What contemporaneous documentation supports the account, and how long after the event was it written?","id":"account-basis-q02","kind":"provenance"}]}]},{"id":"retelling-and-dispute","name":"Retelling and dispute","description":"Tracks shared origins, contradictions and changes in reported details.","findings":[{"id":"independent-evidence","name":"Independent evidence","description":"Count underlying episodes separately from publications and preserve challenges to an account's authenticity.","questions":[{"text":"Do apparently separate reports trace to the same episode or earlier text?","id":"independent-evidence-q01","kind":"provenance"},{"text":"Which details are independently corroborated, contradicted or introduced only in later retellings?","id":"independent-evidence-q02","kind":"provenance"}]}]}]},{"id":"mechanism-and-course","name":"Mechanism and course","description":"Relates the reported episode's timing to muscular and erectile observations without presuming causation.","layers":[{"id":"muscular-and-erectile-state","name":"Muscular and erectile state","description":"Records observations relevant to suggested retention mechanisms.","findings":[{"id":"mechanism-evidence","name":"Mechanism evidence","description":"Treat muscular contraction and erectile state as separately evidenced variables rather than building either into an automatic causal conclusion.","questions":[{"text":"What evidence supports muscular contraction during this episode, and was it observed or inferred?","id":"mechanism-evidence-q01","kind":"measurement"},{"text":"What penile state was documented during retention and at release?","id":"mechanism-evidence-q02","kind":"measurement"}]}]},{"id":"onset-to-release","name":"Onset to release","description":"Reconstructs the sequence and duration of reported retention.","findings":[{"id":"temporal-sequence","name":"Temporal sequence","description":"Record onset, persistence, state changes and release with the precision actually supported by the account.","questions":[{"text":"Which observations bound the duration, and was that duration timed or recalled?","id":"temporal-sequence-q01","kind":"measurement"},{"text":"Did release follow a documented muscular or erectile change, and what prevents attributing causation from timing alone?","id":"temporal-sequence-q02","kind":"boundary"}]}]}]},{"id":"response-and-resolution","name":"Response and resolution","description":"Records the episode's immediate consequences, responses and outcome.","layers":[{"id":"current-episode-assessment","name":"Current episode assessment","description":"Establishes whether the report concerns an ongoing event and what symptoms need professional assessment.","findings":[{"id":"ongoing-status-and-symptoms","name":"Ongoing status and symptoms","description":"Record continued inability to separate and each participant's symptoms without requiring diagnostic certainty before seeking assessment.","questions":[{"text":"Is withdrawal still reported as impossible, or is this a retrospective account of a resolved episode?","id":"ongoing-status-and-symptoms-q01","kind":"measurement"},{"text":"What symptoms and ongoing difficulties need to be communicated to a clinician assessing the episode?","id":"ongoing-status-and-symptoms-q02","kind":"action"}]}]},{"id":"release-and-aftermath","name":"Release and aftermath","description":"Documents what happened around release and what remained afterward.","findings":[{"id":"response-outcome-attribution","name":"Response and outcome attribution","description":"Record reported actions and subsequent outcomes without converting an anecdotal sequence into a recommended treatment.","questions":[{"text":"What actions preceded release, who performed them and what evidence supports any claimed effect?","id":"response-outcome-attribution-q01","kind":"provenance"},{"text":"After withdrawal became possible, what pain, injury or other symptoms were documented for either participant?","id":"response-outcome-attribution-q02","kind":"measurement"},{"text":"What follow-up was documented, and which outcomes remain unknown?","id":"response-outcome-attribution-q03","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of penis captivus this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of penis captivus this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of penis captivus this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of penis captivus this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain what is known about the phenomenon in general, factual terms, noting that reports are rare and debated.","Advise people in this situation to stay calm and seek medical help if it does not resolve."],"mustNot":["Produce sexualised, mocking or sensational content about the phenomenon or people involved.","Present folklore and anecdotes as established medical fact.","Disclose the identity of people involved in reported cases.","Give medical instructions for a specific person."],"requiresHuman":["Any medical intervention."]},"ethics":{"considerations":["Intimate situations call for dignity and privacy; mockery causes real shame.","Myths about the phenomenon have been used to embarrass and stigmatise people."],"affectedParties":["The people involved","Their partners","Emergency responders"]},"owners":{"steward":"Nobody owns it; it is a reported medical phenomenon.","roles":[],"masterSystems":[]},"relations":[{"target":"Q2057971","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.penis-captivus","Wikidata: Q940409 (https://www.wikidata.org/wiki/Q940409)"]},"properties":{"applicability":"not-applicable","items":["Episode evidence status: participant account | contemporaneous clinical observation | retrospective witness account | secondary retelling | disputed account; multiple values permitted","Withdrawal status: difficulty reported | inability reported | inability directly observed | withdrawal restored | unknown","Reported episode duration: seconds or minutes, with uncertainty and timing source; unknown permitted","Penile state during episode: erection reported | erection observed | detumescence reported | detumescence observed | unknown","Muscular contraction evidence: participant sensation | clinician assessment | instrumental observation | inferred only | unreported","Associated symptoms: pain | bleeding | swelling | distress | other specified symptom | none reported | unknown; recorded separately for each participant","Release circumstances: spontaneous release reported | release following an intervention | release circumstances unclear | unresolved at last observation","Report dependency: report cites, reproduces, corroborates or disputes another identifiable report"]},"recognition":{"applicability":"not-applicable","items":[]},"capabilities":{"applicability":"required","items":["Classify whether an account describes the working episode definition or a neighbouring phenomenon.","Construct an episode timeline with explicit observation gaps and uncertain durations.","Trace repeated accounts to their earliest accessible sources and identify duplicate cases.","Compare proposed muscular and erectile explanations against episode-specific observations.","Record ongoing symptoms and route an unresolved episode for clinical assessment without generating an unverified release procedure.","Produce an evidence-qualified account that preserves disagreement and participant privacy."]},"hazards":{"applicability":"required","items":["Panic and force can cause injury to both partners.","Embarrassment can delay seeking help."]},"interfaces":{"applicability":"not-applicable","items":[]},"context":{"applicability":"required","items":["Penis captivus is a term encountered in sexual health discussions and reports of temporary inability to separate during vaginal intercourse.","It is used to describe a reported event whose proposed muscular mechanism must be distinguished from directly documented observations."]}},"sources":[{"title":"Wikidata item Q940409: penis captivus","url":"https://www.wikidata.org/wiki/Q940409","note":"identity and sense of the item"},{"title":"Wikipedia: Penis captivus","url":"https://en.wikipedia.org/wiki/Penis_captivus","note":"general description of the item"}],"openQuestions":["What independently documented clinical episodes survive source verification, and what operational definition would consistently classify them?","Has muscular contraction causing retention been directly demonstrated in a qualifying episode, and how does erectile state contribute?","Can incidence or recurrence be estimated from any population-based evidence rather than publication counts and retellings?","What evidence establishes the relationship, if any, between reported penis captivus and independently assessed vaginismus or other pelvic-floor conditions?","What clinical evidence supports assessment and management of an ongoing episode beyond historical anecdote?"],"resources":{"spec":"/models/things/publications/thing-q940409/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q940409/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:58:48Z","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":"not-applicable","interaction.recognition":"not-applicable","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"not-applicable","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:33+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties.","interaction.interfaces":"No specific standard, law or dedicated official classification can be confidently identified for this reported phenomenon.","interaction.recognition":"This reported functional event has no reliable visual cues that distinguish it from other causes of difficulty separating during intercourse."},"score":1.0}}