{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:WMCM7N6DA46DVJ3W6XY25DMZNW","short_pith_number":"pith:WMCM7N6D","schema_version":"1.0","canonical_sha256":"b304cfb7c3073c3aa776f5f1ae8d996db34e9295fbedcde4061ccf021c9def4c","source":{"kind":"arxiv","id":"0812.4712","version":6},"attestation_state":"computed","paper":{"title":"Could some black holes have evolved from wormholes?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Peter K.F. Kuhfittig","submitted_at":"2008-12-29T15:21:56Z","abstract_excerpt":"One way to explain the present acceleration of the Universe is Einstein's cosmological constant. It is quite likely, in view of some recent studies, that a time-dependent equation of state had caused the Universe to evolve from an earlier phantom-energy model. In that case traversable wormholes could have formed spontaneously. It is shown in this paper that such wormholes would eventually have become black holes. This would provide a possible explanation for the huge number of black holes discovered, while any evidence for the existence of wormholes is entirely lacking, even though wormholes a"},"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":"0812.4712","kind":"arxiv","version":6},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-12-29T15:21:56Z","cross_cats_sorted":[],"title_canon_sha256":"8e32bfa9aa61b71b5afd92496e2f91b3b0cab6345c230a9d7c88d17e428bb086","abstract_canon_sha256":"338761b5ae1ca5fd66469cc32c40243609e1e18292761e6250edfad2a61095ea"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:13.472266Z","signature_b64":"A4YHUn4AV0nl7se9alElFUC/TE6SX9NiFUfwejHWPTrO/+lxSGdSFSHesYO/+d96go9wqWCCWA0/D4ZpJ9MDBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b304cfb7c3073c3aa776f5f1ae8d996db34e9295fbedcde4061ccf021c9def4c","last_reissued_at":"2026-05-18T04:23:13.471786Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:13.471786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Could some black holes have evolved from wormholes?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Peter K.F. Kuhfittig","submitted_at":"2008-12-29T15:21:56Z","abstract_excerpt":"One way to explain the present acceleration of the Universe is Einstein's cosmological constant. It is quite likely, in view of some recent studies, that a time-dependent equation of state had caused the Universe to evolve from an earlier phantom-energy model. In that case traversable wormholes could have formed spontaneously. It is shown in this paper that such wormholes would eventually have become black holes. This would provide a possible explanation for the huge number of black holes discovered, while any evidence for the existence of wormholes is entirely lacking, even though wormholes a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4712","kind":"arxiv","version":6},"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":"0812.4712","created_at":"2026-05-18T04:23:13.471850+00:00"},{"alias_kind":"arxiv_version","alias_value":"0812.4712v6","created_at":"2026-05-18T04:23:13.471850+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4712","created_at":"2026-05-18T04:23:13.471850+00:00"},{"alias_kind":"pith_short_12","alias_value":"WMCM7N6DA46D","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"WMCM7N6DA46DVJ3W","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"WMCM7N6D","created_at":"2026-05-18T12:25:58.018023+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/WMCM7N6DA46DVJ3W6XY25DMZNW","json":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW.json","graph_json":"https://pith.science/api/pith-number/WMCM7N6DA46DVJ3W6XY25DMZNW/graph.json","events_json":"https://pith.science/api/pith-number/WMCM7N6DA46DVJ3W6XY25DMZNW/events.json","paper":"https://pith.science/paper/WMCM7N6D"},"agent_actions":{"view_html":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW","download_json":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW.json","view_paper":"https://pith.science/paper/WMCM7N6D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0812.4712&json=true","fetch_graph":"https://pith.science/api/pith-number/WMCM7N6DA46DVJ3W6XY25DMZNW/graph.json","fetch_events":"https://pith.science/api/pith-number/WMCM7N6DA46DVJ3W6XY25DMZNW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW/action/storage_attestation","attest_author":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW/action/author_attestation","sign_citation":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW/action/citation_signature","submit_replication":"https://pith.science/pith/WMCM7N6DA46DVJ3W6XY25DMZNW/action/replication_record"}},"created_at":"2026-05-18T04:23:13.471850+00:00","updated_at":"2026-05-18T04:23:13.471850+00:00"}