{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:5SKIYWZ7ABMN7NJPYU7SCKCDFT","short_pith_number":"pith:5SKIYWZ7","schema_version":"1.0","canonical_sha256":"ec948c5b3f0058dfb52fc53f2128432cc00800ddd07c577ce6df13c940d2cd1a","source":{"kind":"arxiv","id":"gr-qc/0203018","version":2},"attestation_state":"computed","paper":{"title":"Geometrical measurements in three-dimensional quantum gravity","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"John W. Barrett","submitted_at":"2002-03-06T11:01:16Z","abstract_excerpt":"A set of observables is described for the topological quantum field theory which describes quantum gravity in three space-time dimensions with positive signature and positive cosmological constant. The simplest examples measure the distances between points, giving spectra and probabilities which have a geometrical interpretation. The observables are related to the evaluation of relativistic spin networks by a Fourier transform."},"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":"gr-qc/0203018","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2002-03-06T11:01:16Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"a099b4cefa4705dfc543c5b4f8f502ba957d8fd094e9ed5c47e147867f946905","abstract_canon_sha256":"0bf40aeaa5539cb3c6de894c146aa0520d5954b79659f1046f0486152cc4d22f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:23.789129Z","signature_b64":"h4FurrjQEnVWEVND05FUfSYzi/FpyD6WiR0T0A4dYeZSVtchRk7qFTFE8zJHTTHRHtXEVYNN28QDh9MnyeZ4Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec948c5b3f0058dfb52fc53f2128432cc00800ddd07c577ce6df13c940d2cd1a","last_reissued_at":"2026-05-18T01:39:23.788644Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:23.788644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Geometrical measurements in three-dimensional quantum gravity","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"John W. Barrett","submitted_at":"2002-03-06T11:01:16Z","abstract_excerpt":"A set of observables is described for the topological quantum field theory which describes quantum gravity in three space-time dimensions with positive signature and positive cosmological constant. The simplest examples measure the distances between points, giving spectra and probabilities which have a geometrical interpretation. The observables are related to the evaluation of relativistic spin networks by a Fourier transform."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0203018","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":"gr-qc/0203018","created_at":"2026-05-18T01:39:23.788705+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0203018v2","created_at":"2026-05-18T01:39:23.788705+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0203018","created_at":"2026-05-18T01:39:23.788705+00:00"},{"alias_kind":"pith_short_12","alias_value":"5SKIYWZ7ABMN","created_at":"2026-05-18T12:25:50.845339+00:00"},{"alias_kind":"pith_short_16","alias_value":"5SKIYWZ7ABMN7NJP","created_at":"2026-05-18T12:25:50.845339+00:00"},{"alias_kind":"pith_short_8","alias_value":"5SKIYWZ7","created_at":"2026-05-18T12:25:50.845339+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.09396","citing_title":"The many facets of a hyperbolic tetrahedron: open and closed triangulations of 3d gravity","ref_index":67,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT","json":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT.json","graph_json":"https://pith.science/api/pith-number/5SKIYWZ7ABMN7NJPYU7SCKCDFT/graph.json","events_json":"https://pith.science/api/pith-number/5SKIYWZ7ABMN7NJPYU7SCKCDFT/events.json","paper":"https://pith.science/paper/5SKIYWZ7"},"agent_actions":{"view_html":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT","download_json":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT.json","view_paper":"https://pith.science/paper/5SKIYWZ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/0203018&json=true","fetch_graph":"https://pith.science/api/pith-number/5SKIYWZ7ABMN7NJPYU7SCKCDFT/graph.json","fetch_events":"https://pith.science/api/pith-number/5SKIYWZ7ABMN7NJPYU7SCKCDFT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT/action/storage_attestation","attest_author":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT/action/author_attestation","sign_citation":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT/action/citation_signature","submit_replication":"https://pith.science/pith/5SKIYWZ7ABMN7NJPYU7SCKCDFT/action/replication_record"}},"created_at":"2026-05-18T01:39:23.788705+00:00","updated_at":"2026-05-18T01:39:23.788705+00:00"}