{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:7ZTTYQITPGW4JT33GZWPPQSQUT","short_pith_number":"pith:7ZTTYQIT","schema_version":"1.0","canonical_sha256":"fe673c411379adc4cf7b366cf7c250a4dd9e8dd7aedfebf3fe67d9ab2664f640","source":{"kind":"arxiv","id":"0712.1130","version":1},"attestation_state":"computed","paper":{"title":"Fate of gravitational collapse in semiclassical gravity","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos Barcelo, Matt Visser, Sebastiano Sonego, Stefano Liberati","submitted_at":"2007-12-07T13:00:28Z","abstract_excerpt":"While the outcome of gravitational collapse in classical general relativity is unquestionably a black hole, up to now no full and complete semiclassical description of black hole formation has been thoroughly investigated. Here we revisit the standard scenario for this process. By analyzing how semiclassical collapse proceeds we show that the very formation of a trapping horizon can be seriously questioned for a large set of, possibly realistic, scenarios. We emphasise that in principle the theoretical framework of semiclassical gravity certainly allows the formation of trapping horizons. What"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0712.1130","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2007-12-07T13:00:28Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"f6be175858e52553bec895e3cccc5285665d0009413ab1d1509487b1c34457df","abstract_canon_sha256":"5cc339b151e4b6cc6fa4a66a2e8046f1151cf404e9a5dd130802ee5e18cba5f6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:28:02.251505Z","signature_b64":"f7rRZzrwvjVFhx/ChS4g6+pOOeyhFlDJwLjKLwMGB3xKGjflT638M/FHsaX4eYl1WXA6q7tY45F/61dzfXUxAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe673c411379adc4cf7b366cf7c250a4dd9e8dd7aedfebf3fe67d9ab2664f640","last_reissued_at":"2026-07-04T15:28:02.251088Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:28:02.251088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fate of gravitational collapse in semiclassical gravity","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Carlos Barcelo, Matt Visser, Sebastiano Sonego, Stefano Liberati","submitted_at":"2007-12-07T13:00:28Z","abstract_excerpt":"While the outcome of gravitational collapse in classical general relativity is unquestionably a black hole, up to now no full and complete semiclassical description of black hole formation has been thoroughly investigated. Here we revisit the standard scenario for this process. By analyzing how semiclassical collapse proceeds we show that the very formation of a trapping horizon can be seriously questioned for a large set of, possibly realistic, scenarios. We emphasise that in principle the theoretical framework of semiclassical gravity certainly allows the formation of trapping horizons. What"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.1130","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0712.1130/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"0712.1130","created_at":"2026-07-04T15:28:02.251149+00:00"},{"alias_kind":"arxiv_version","alias_value":"0712.1130v1","created_at":"2026-07-04T15:28:02.251149+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.1130","created_at":"2026-07-04T15:28:02.251149+00:00"},{"alias_kind":"pith_short_12","alias_value":"7ZTTYQITPGW4","created_at":"2026-07-04T15:28:02.251149+00:00"},{"alias_kind":"pith_short_16","alias_value":"7ZTTYQITPGW4JT33","created_at":"2026-07-04T15:28:02.251149+00:00"},{"alias_kind":"pith_short_8","alias_value":"7ZTTYQIT","created_at":"2026-07-04T15:28:02.251149+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2411.01105","citing_title":"UV Effects and Short-Lived Hawking Radiation: Alternative Resolution of Information Paradox","ref_index":57,"is_internal_anchor":true},{"citing_arxiv_id":"1904.05363","citing_title":"Testing the nature of dark compact objects: a status report","ref_index":171,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT","json":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT.json","graph_json":"https://pith.science/api/pith-number/7ZTTYQITPGW4JT33GZWPPQSQUT/graph.json","events_json":"https://pith.science/api/pith-number/7ZTTYQITPGW4JT33GZWPPQSQUT/events.json","paper":"https://pith.science/paper/7ZTTYQIT"},"agent_actions":{"view_html":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT","download_json":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT.json","view_paper":"https://pith.science/paper/7ZTTYQIT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0712.1130&json=true","fetch_graph":"https://pith.science/api/pith-number/7ZTTYQITPGW4JT33GZWPPQSQUT/graph.json","fetch_events":"https://pith.science/api/pith-number/7ZTTYQITPGW4JT33GZWPPQSQUT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT/action/storage_attestation","attest_author":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT/action/author_attestation","sign_citation":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT/action/citation_signature","submit_replication":"https://pith.science/pith/7ZTTYQITPGW4JT33GZWPPQSQUT/action/replication_record"}},"created_at":"2026-07-04T15:28:02.251149+00:00","updated_at":"2026-07-04T15:28:02.251149+00:00"}