{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WNWTPGN4F7KPOMIYKLWUWSN2SP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"82c459351d698273873a08640b31ccfc273b57e6063d529bf35ed0133d96723f","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-03-31T16:07:04Z","title_canon_sha256":"a1fd370e66c06c9ba5325a13958a0dc8defa9853cbba0a788cb666cac073e889"},"schema_version":"1.0","source":{"id":"2604.00077","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.00077","created_at":"2026-06-09T02:08:41Z"},{"alias_kind":"arxiv_version","alias_value":"2604.00077v3","created_at":"2026-06-09T02:08:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.00077","created_at":"2026-06-09T02:08:41Z"},{"alias_kind":"pith_short_12","alias_value":"WNWTPGN4F7KP","created_at":"2026-06-09T02:08:41Z"},{"alias_kind":"pith_short_16","alias_value":"WNWTPGN4F7KPOMIY","created_at":"2026-06-09T02:08:41Z"},{"alias_kind":"pith_short_8","alias_value":"WNWTPGN4","created_at":"2026-06-09T02:08:41Z"}],"graph_snapshots":[{"event_id":"sha256:0034329300351ce664baaf5f22cdc5f379d27bfe2d6caf7f3c3bc325ffa78439","target":"graph","created_at":"2026-06-09T02:08:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"It has been suggested that this Big Bang curvature singularity can be eliminated by use of a degenerate spacetime metric."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That a degenerate spacetime metric remains physically acceptable and consistent with the Einstein field equations and cosmological observations when applied to the Friedmann solution."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"A degenerate spacetime metric is proposed to remove the Big Bang curvature singularity from the Friedmann solution, alongside discussion of CPT-conjugated worlds and an extended Einstein field equation."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"A degenerate spacetime metric eliminates the Big Bang curvature singularity in the Friedmann solution."}],"snapshot_sha256":"4d8234025ff8c282c01b5b0700f4132fa826f524874bb2514f111546fd61cbbc"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"87548f33f045b2e1ddea26d6661e531333d29ac3d6cf5e6a3981b46bdb2fa1a5"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2604.00077/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Friedmann cosmological solution of the standard Einstein gravitational field equation has a curvature singularity at a moment in time known as the Big Bang. It has been suggested that this Big Bang curvature singularity can be eliminated by use of a degenerate spacetime metric. This proposal was the main topic of our talk at the Workshop, but, here, we also discuss the possible appearance of CPT-conjugated worlds and the conjectured relevance of an extended version of Einstein's field equation.","authors_text":"Frans R. Klinkhamer","cross_cats":["astro-ph.CO","hep-th"],"headline":"A degenerate spacetime metric eliminates the Big Bang curvature singularity in the Friedmann solution.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-03-31T16:07:04Z","title":"Big Bang revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.00077","kind":"arxiv","version":3},"verdict":{"created_at":"2026-05-13T22:55:21.146658Z","id":"3d746630-17b2-454a-b273-007403a7fe93","model_set":{"reader":"grok-4.3"},"one_line_summary":"A degenerate spacetime metric is proposed to remove the Big Bang curvature singularity from the Friedmann solution, alongside discussion of CPT-conjugated worlds and an extended Einstein field equation.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"A degenerate spacetime metric eliminates the Big Bang curvature singularity in the Friedmann solution.","strongest_claim":"It has been suggested that this Big Bang curvature singularity can be eliminated by use of a degenerate spacetime metric.","weakest_assumption":"That a degenerate spacetime metric remains physically acceptable and consistent with the Einstein field equations and cosmological observations when applied to the Friedmann solution."}},"verdict_id":"3d746630-17b2-454a-b273-007403a7fe93"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:400943faa1533825d87266ac5361c9029f93ee8a2243b40e93c70dc1213b49a7","target":"record","created_at":"2026-06-09T02:08:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"82c459351d698273873a08640b31ccfc273b57e6063d529bf35ed0133d96723f","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-03-31T16:07:04Z","title_canon_sha256":"a1fd370e66c06c9ba5325a13958a0dc8defa9853cbba0a788cb666cac073e889"},"schema_version":"1.0","source":{"id":"2604.00077","kind":"arxiv","version":3}},"canonical_sha256":"b36d3799bc2fd4f7311852ed4b49ba93ce1318ce12b693eb8081652005a1ecb8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b36d3799bc2fd4f7311852ed4b49ba93ce1318ce12b693eb8081652005a1ecb8","first_computed_at":"2026-06-09T02:08:41.525900Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:08:41.525900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vyGun+e/mikyUjuTNN9wWPW4+vPu+szJV650Dj6NLmKiyGqKhZyjPsPrYQXd74yP9BTftzbAEGijv5NFcQXdCg==","signature_status":"signed_v1","signed_at":"2026-06-09T02:08:41.526995Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.00077","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:400943faa1533825d87266ac5361c9029f93ee8a2243b40e93c70dc1213b49a7","sha256:0034329300351ce664baaf5f22cdc5f379d27bfe2d6caf7f3c3bc325ffa78439"],"state_sha256":"652b27f3ace684aa83c071e02aa2ece719e3c4ddf9214f107a0f58e2d058a197"}