{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:V4M4AE6I5PKTYKDXTCMIME5UGV","short_pith_number":"pith:V4M4AE6I","schema_version":"1.0","canonical_sha256":"af19c013c8ebd53c287798988613b4354974d4a271a8347f0540987606be617c","source":{"kind":"arxiv","id":"1805.03224","version":2},"attestation_state":"computed","paper":{"title":"Pre-big-bang black-hole remnants and the past low entropy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.hist-ph"],"primary_cat":"gr-qc","authors_text":"Carlo Rovelli, Francesca Vidotto","submitted_at":"2018-05-08T18:30:51Z","abstract_excerpt":"Dark matter could be composed by black-hole remnants formed before the big-bang era in a bouncing cosmology. This hypothetical scenario has major implications on the issue of the arrow of time: it would upset a common attribution of past low entropy to the state of the geometry, and provide a concrete realisation to the perspectival interpretation of past low entropy."},"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":"1805.03224","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-05-08T18:30:51Z","cross_cats_sorted":["physics.hist-ph"],"title_canon_sha256":"e5d8ffcb9f9e41f7f4f45ce57baa921b04065e74dc330d7b0afbd440896e99b1","abstract_canon_sha256":"301c2d0a136756888e0e3983ab0f1b24c613fa1084628582e401d623034e101f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:30.849674Z","signature_b64":"Z7f6y5nB7GUujxNwM8v2ytj3aJVEcMtaawNGysv13Q+6mdlfKejYx2fPebQTca6CRGKav2QQ6NAHSmDj+3SADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af19c013c8ebd53c287798988613b4354974d4a271a8347f0540987606be617c","last_reissued_at":"2026-05-17T23:58:30.849139Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:30.849139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pre-big-bang black-hole remnants and the past low entropy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.hist-ph"],"primary_cat":"gr-qc","authors_text":"Carlo Rovelli, Francesca Vidotto","submitted_at":"2018-05-08T18:30:51Z","abstract_excerpt":"Dark matter could be composed by black-hole remnants formed before the big-bang era in a bouncing cosmology. This hypothetical scenario has major implications on the issue of the arrow of time: it would upset a common attribution of past low entropy to the state of the geometry, and provide a concrete realisation to the perspectival interpretation of past low entropy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03224","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":"1805.03224","created_at":"2026-05-17T23:58:30.849218+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.03224v2","created_at":"2026-05-17T23:58:30.849218+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03224","created_at":"2026-05-17T23:58:30.849218+00:00"},{"alias_kind":"pith_short_12","alias_value":"V4M4AE6I5PKT","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"V4M4AE6I5PKTYKDX","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"V4M4AE6I","created_at":"2026-05-18T12:32:56.356000+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV","json":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV.json","graph_json":"https://pith.science/api/pith-number/V4M4AE6I5PKTYKDXTCMIME5UGV/graph.json","events_json":"https://pith.science/api/pith-number/V4M4AE6I5PKTYKDXTCMIME5UGV/events.json","paper":"https://pith.science/paper/V4M4AE6I"},"agent_actions":{"view_html":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV","download_json":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV.json","view_paper":"https://pith.science/paper/V4M4AE6I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.03224&json=true","fetch_graph":"https://pith.science/api/pith-number/V4M4AE6I5PKTYKDXTCMIME5UGV/graph.json","fetch_events":"https://pith.science/api/pith-number/V4M4AE6I5PKTYKDXTCMIME5UGV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV/action/storage_attestation","attest_author":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV/action/author_attestation","sign_citation":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV/action/citation_signature","submit_replication":"https://pith.science/pith/V4M4AE6I5PKTYKDXTCMIME5UGV/action/replication_record"}},"created_at":"2026-05-17T23:58:30.849218+00:00","updated_at":"2026-05-17T23:58:30.849218+00:00"}