{"public_id":"cl_7e7f380e1553e7d40ce9b76a4c5a12f9","status":"active","superseded_by_public_id":null,"corpus_id":128689862,"text":"The date for the base of the Jurassic system is revised to 190-5 m.y. while the end of the period remains at 135 m.y., increasing the estimated length of the Jurassic to 55-60 m.y.","confidence":0.85,"paper":{"corpus_id":128689862,"title":"The Jurassic period","url":"https://sah.borca.ai/papers/128689862"},"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.85,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","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_447dba3b9b40cd571fb5301928cb71b6","name":"base of the Jurassic system","description":"The lower, older chronostratigraphic boundary date marking the start of the Jurassic.","types":["geochronologic boundary"],"url":"https://sah.borca.ai/concepts/co_447dba3b9b40cd571fb5301928cb71b6"},{"public_id":"co_6144d812cf086994021047933aab739f","name":"end of the Jurassic period","description":"The upper, younger chronostratigraphic boundary date marking the close of the Jurassic.","types":["geochronologic boundary"],"url":"https://sah.borca.ai/concepts/co_6144d812cf086994021047933aab739f"},{"public_id":"co_cfddf01f5411f8112ae1fcb1845e4f1c","name":"length of the Jurassic","description":"The estimated total duration of the Jurassic period in millions of years.","types":["measurement"],"url":"https://sah.borca.ai/concepts/co_cfddf01f5411f8112ae1fcb1845e4f1c"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_7e7f380e1553e7d40ce9b76a4c5a12f9"}