{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JCMKOJEJ4TFICYZSESSKK54CPD","short_pith_number":"pith:JCMKOJEJ","schema_version":"1.0","canonical_sha256":"4898a72489e4ca81633224a4a5778278f3d65ed4de956fca77cdb0a3c4fab2a1","source":{"kind":"arxiv","id":"1809.00124","version":2},"attestation_state":"computed","paper":{"title":"On gravastar formation: What can be the evidence of a black hole?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Chul-Moon Yoo, Ken-ichi Nakao, Tomohiro Harada","submitted_at":"2018-09-01T06:38:56Z","abstract_excerpt":"Any observer outside black holes cannot detect any physical signal produced by the black holes themselves, since, by definition, the black holes are not located in the causal past of the outside observer. In fact, what we regard as black hole candidates in our view are not black holes but will be gravitationally contracting objects. As well known, a black hole will form by a gravitationally collapsing object in the infinite future in the views of distant observers like us. At the very late stage of the gravitational collapse, the gravitationally contracting object behaves as a black body due t"},"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":"1809.00124","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-09-01T06:38:56Z","cross_cats_sorted":[],"title_canon_sha256":"102e2c90e706b7abcb198ed74bffc1fac5a60e6786aa891222b3e8e32b5b8bd1","abstract_canon_sha256":"4b675074699dab2fe1314905169fb52142d5264c498eeab94e86707d79e5d9ce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:28.999820Z","signature_b64":"dJI6zLpJ/rjDO2skyBcMiCdCNK1P84d4sUwj0MTn4u7YVlRrrZx5JPRWQhgvXjjFDaaFTAycaxh48RbgWwzACA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4898a72489e4ca81633224a4a5778278f3d65ed4de956fca77cdb0a3c4fab2a1","last_reissued_at":"2026-05-17T23:53:28.999359Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:28.999359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On gravastar formation: What can be the evidence of a black hole?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Chul-Moon Yoo, Ken-ichi Nakao, Tomohiro Harada","submitted_at":"2018-09-01T06:38:56Z","abstract_excerpt":"Any observer outside black holes cannot detect any physical signal produced by the black holes themselves, since, by definition, the black holes are not located in the causal past of the outside observer. In fact, what we regard as black hole candidates in our view are not black holes but will be gravitationally contracting objects. As well known, a black hole will form by a gravitationally collapsing object in the infinite future in the views of distant observers like us. At the very late stage of the gravitational collapse, the gravitationally contracting object behaves as a black body due t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.00124","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1809.00124","created_at":"2026-05-17T23:53:28.999430+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.00124v2","created_at":"2026-05-17T23:53:28.999430+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.00124","created_at":"2026-05-17T23:53:28.999430+00:00"},{"alias_kind":"pith_short_12","alias_value":"JCMKOJEJ4TFI","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"JCMKOJEJ4TFICYZS","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"JCMKOJEJ","created_at":"2026-05-18T12:32:31.084164+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"1904.05363","citing_title":"Testing the nature of dark compact objects: a status report","ref_index":72,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD","json":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD.json","graph_json":"https://pith.science/api/pith-number/JCMKOJEJ4TFICYZSESSKK54CPD/graph.json","events_json":"https://pith.science/api/pith-number/JCMKOJEJ4TFICYZSESSKK54CPD/events.json","paper":"https://pith.science/paper/JCMKOJEJ"},"agent_actions":{"view_html":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD","download_json":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD.json","view_paper":"https://pith.science/paper/JCMKOJEJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.00124&json=true","fetch_graph":"https://pith.science/api/pith-number/JCMKOJEJ4TFICYZSESSKK54CPD/graph.json","fetch_events":"https://pith.science/api/pith-number/JCMKOJEJ4TFICYZSESSKK54CPD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD/action/storage_attestation","attest_author":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD/action/author_attestation","sign_citation":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD/action/citation_signature","submit_replication":"https://pith.science/pith/JCMKOJEJ4TFICYZSESSKK54CPD/action/replication_record"}},"created_at":"2026-05-17T23:53:28.999430+00:00","updated_at":"2026-05-17T23:53:28.999430+00:00"}