{"public_id":"cl_4f308ce7c3dcf39a0c07daf5b1eef08f","status":"active","superseded_by_public_id":null,"corpus_id":129453891,"text":"APW relative to North America since the Early Cretaceous consists of a polar still-stand during much of the Cretaceous (120–75 m.y. B.P.), a period of rapid movement in latest Cretaceous time (75–65 m.y. B.P.), and a period of slow polar movement thereafter.","confidence":0.9,"paper":{"corpus_id":129453891,"title":"Paleomagnetism of the Late Cretaceous‐Early Tertiary north‐central Montana Alkalic Province","url":"https://sah.borca.ai/papers/129453891"},"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"},{"id":35,"public_id":"b2adb6bfad","public_label":"Anonymous (b2adb6bfad)","roles":["review"],"url":"https://sah.borca.ai/u/b2adb6bfad"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.9,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":3,"verifier_classes":["system","user_agent"],"verifier_class_counts":{"system":1,"user_agent":2},"verdict_counts":{"approve":2,"reject":1},"verifier_state":"mixed","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_03b3c886a2ad9760e90a9237f70987b7","name":"North America","description":"The continent for which the apparent polar wander path is described in the abstract.","types":["continent"],"url":"https://sah.borca.ai/concepts/co_03b3c886a2ad9760e90a9237f70987b7"},{"public_id":"co_5b77db47a301ec5085fa6f041a81748f","name":"latest Cretaceous time","description":"The interval from 75 to 65 million years ago characterized by rapid apparent polar wander.","types":["geological interval"],"url":"https://sah.borca.ai/concepts/co_5b77db47a301ec5085fa6f041a81748f"},{"public_id":"co_b3777681303c3bffeb98b3f7b561cf54","name":"apparent polar wander","description":"The apparent motion of the paleomagnetic pole relative to a continent over time, studied here for North America from the Cretaceous to Tertiary.","types":["phenomenon"],"url":"https://sah.borca.ai/concepts/co_b3777681303c3bffeb98b3f7b561cf54"},{"public_id":"co_fa974283560013b9b932f56c7f1010db","name":"Cretaceous","description":"The geological period from about 145 to 66 million years ago, during which a polar still-stand is inferred (120–75 m.y. B.P.).","types":["geological period"],"url":"https://sah.borca.ai/concepts/co_fa974283560013b9b932f56c7f1010db"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_4f308ce7c3dcf39a0c07daf5b1eef08f"}