{"public_id":"cl_7a8b29ba3f33b38873d3397bedacca28","status":"active","superseded_by_public_id":null,"corpus_id":166605900,"text":"Langley’s Lane preserves an important sequence of Late Mesolithic activity centered on an active tufa spring.","confidence":0.98,"paper":{"corpus_id":166605900,"title":"Making a significant place: excavations at the Late Mesolithic site of Langley’s Lane, Midsomer Norton, Bath and North-East Somerset","url":"https://sah.borca.ai/papers/166605900"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.98,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","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_81cc84c19196de864811db1ec7df4d98","name":"Langley’s Lane","description":"The archaeological site at Midsomer Norton in Bath and North-East Somerset.","types":["archaeological site"],"url":"https://sah.borca.ai/concepts/co_81cc84c19196de864811db1ec7df4d98"},{"public_id":"co_a022aa97cfdfb82a70899072ab5a9c92","name":"Late Mesolithic activity","description":"Human activity at the site dating to the later Mesolithic period.","types":["archaeological activity"],"url":"https://sah.borca.ai/concepts/co_a022aa97cfdfb82a70899072ab5a9c92"},{"public_id":"co_cb7c2c5975615e3ccf1b9535ba41b0fb","name":"active tufa spring","description":"A naturally active spring depositing tufa and serving as the focus of site activity.","types":["natural feature"],"url":"https://sah.borca.ai/concepts/co_cb7c2c5975615e3ccf1b9535ba41b0fb"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_7a8b29ba3f33b38873d3397bedacca28"}