{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:U4W5Z33UPXH3PKNWKPQCWI3SZJ","short_pith_number":"pith:U4W5Z33U","canonical_record":{"source":{"id":"gr-qc/0303072","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-19T18:52:19Z","cross_cats_sorted":["astro-ph","hep-th"],"title_canon_sha256":"09ded40044c5a51da9e1209dbb419166ed3b2e4cf878e1fa977f333303593cab","abstract_canon_sha256":"f1a3eb05ed9b425ba638eb6a27efcd157081a464bfd8c00f809c2f1e9f543d3a"},"schema_version":"1.0"},"canonical_sha256":"a72ddcef747dcfb7a9b653e02b2372ca4e1c1530bdb124ec30e190ba693c9fa9","source":{"kind":"arxiv","id":"gr-qc/0303072","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0303072","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0303072v1","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0303072","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"pith_short_12","alias_value":"U4W5Z33UPXH3","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"pith_short_16","alias_value":"U4W5Z33UPXH3PKNW","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"pith_short_8","alias_value":"U4W5Z33U","created_at":"2026-07-04T16:40:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:U4W5Z33UPXH3PKNWKPQCWI3SZJ","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0303072","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-19T18:52:19Z","cross_cats_sorted":["astro-ph","hep-th"],"title_canon_sha256":"09ded40044c5a51da9e1209dbb419166ed3b2e4cf878e1fa977f333303593cab","abstract_canon_sha256":"f1a3eb05ed9b425ba638eb6a27efcd157081a464bfd8c00f809c2f1e9f543d3a"},"schema_version":"1.0"},"canonical_sha256":"a72ddcef747dcfb7a9b653e02b2372ca4e1c1530bdb124ec30e190ba693c9fa9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:40:10.781494Z","signature_b64":"29yeyke/oPbziGX+Jx49nDQ2uYndt2WLydc1iqmxugoS50pnt2sRo7YiUBbHCkgEmxuOBE3G2nRQ9v16UTbCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a72ddcef747dcfb7a9b653e02b2372ca4e1c1530bdb124ec30e190ba693c9fa9","last_reissued_at":"2026-07-04T16:40:10.781101Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:40:10.781101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0303072","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:40:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tYD/jXe2ADHAvjKPitSiLsXgn68eMKGa/sEoemjGDgH9Ef6gQHGlxu8awD/WvZFFHnpHJZb3vYcWm1aTf59VBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:01:09.071687Z"},"content_sha256":"33887b5901bfb79dea33fe3b6a3fb5e67fcf970ef69758f620f9f1bee96e4f07","schema_version":"1.0","event_id":"sha256:33887b5901bfb79dea33fe3b6a3fb5e67fcf970ef69758f620f9f1bee96e4f07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:U4W5Z33UPXH3PKNWKPQCWI3SZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Loop Quantum Cosmology, Boundary Proposals, and Inflation","license":"","headline":"","cross_cats":["astro-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Kevin Vandersloot, Martin Bojowald","submitted_at":"2003-03-19T18:52:19Z","abstract_excerpt":"Loop quantum cosmology of the closed isotropic model is studied with a special emphasis on a comparison with traditional results obtained in the Wheeler-DeWitt approach. This includes the relation of the dynamical initial conditions with boundary conditions such as the no-boundary or the tunneling proposal and a discussion of inflation from quantum cosmology."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0303072","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/gr-qc/0303072/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:40:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8GDn2FJY3z4xIX568Q3mXm2Kbi+t9oSlrOL/SBBRPXN3MGRFf7olMv8GUHIwFqU69LAhJqn27rolFX/o8wgxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:01:09.072463Z"},"content_sha256":"ca9486c5a48fb8c9979dbd5bff8248c689ad53aa2f4e560b69fe5282b3b221c1","schema_version":"1.0","event_id":"sha256:ca9486c5a48fb8c9979dbd5bff8248c689ad53aa2f4e560b69fe5282b3b221c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ/bundle.json","state_url":"https://pith.science/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-04T13:01:09Z","links":{"resolver":"https://pith.science/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ","bundle":"https://pith.science/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ/bundle.json","state":"https://pith.science/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U4W5Z33UPXH3PKNWKPQCWI3SZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:U4W5Z33UPXH3PKNWKPQCWI3SZJ","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":"f1a3eb05ed9b425ba638eb6a27efcd157081a464bfd8c00f809c2f1e9f543d3a","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-19T18:52:19Z","title_canon_sha256":"09ded40044c5a51da9e1209dbb419166ed3b2e4cf878e1fa977f333303593cab"},"schema_version":"1.0","source":{"id":"gr-qc/0303072","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0303072","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0303072v1","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0303072","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"pith_short_12","alias_value":"U4W5Z33UPXH3","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"pith_short_16","alias_value":"U4W5Z33UPXH3PKNW","created_at":"2026-07-04T16:40:10Z"},{"alias_kind":"pith_short_8","alias_value":"U4W5Z33U","created_at":"2026-07-04T16:40:10Z"}],"graph_snapshots":[{"event_id":"sha256:ca9486c5a48fb8c9979dbd5bff8248c689ad53aa2f4e560b69fe5282b3b221c1","target":"graph","created_at":"2026-07-04T16:40:10Z","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":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/gr-qc/0303072/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Loop quantum cosmology of the closed isotropic model is studied with a special emphasis on a comparison with traditional results obtained in the Wheeler-DeWitt approach. This includes the relation of the dynamical initial conditions with boundary conditions such as the no-boundary or the tunneling proposal and a discussion of inflation from quantum cosmology.","authors_text":"Kevin Vandersloot, Martin Bojowald","cross_cats":["astro-ph","hep-th"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2003-03-19T18:52:19Z","title":"Loop Quantum Cosmology, Boundary Proposals, and Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0303072","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:33887b5901bfb79dea33fe3b6a3fb5e67fcf970ef69758f620f9f1bee96e4f07","target":"record","created_at":"2026-07-04T16:40:10Z","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":"f1a3eb05ed9b425ba638eb6a27efcd157081a464bfd8c00f809c2f1e9f543d3a","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2003-03-19T18:52:19Z","title_canon_sha256":"09ded40044c5a51da9e1209dbb419166ed3b2e4cf878e1fa977f333303593cab"},"schema_version":"1.0","source":{"id":"gr-qc/0303072","kind":"arxiv","version":1}},"canonical_sha256":"a72ddcef747dcfb7a9b653e02b2372ca4e1c1530bdb124ec30e190ba693c9fa9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a72ddcef747dcfb7a9b653e02b2372ca4e1c1530bdb124ec30e190ba693c9fa9","first_computed_at":"2026-07-04T16:40:10.781101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:40:10.781101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"29yeyke/oPbziGX+Jx49nDQ2uYndt2WLydc1iqmxugoS50pnt2sRo7YiUBbHCkgEmxuOBE3G2nRQ9v16UTbCBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:40:10.781494Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0303072","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33887b5901bfb79dea33fe3b6a3fb5e67fcf970ef69758f620f9f1bee96e4f07","sha256:ca9486c5a48fb8c9979dbd5bff8248c689ad53aa2f4e560b69fe5282b3b221c1"],"state_sha256":"5cd3f6d12400ab886e20c8bafd406d71f2f9970a44079690ec94ede9ff0a0b38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5fFWESSsAcjwxZUrTEKcQq95vaVR55Xhz6ylwX8lxAU7YmVBVKe8sksmNwG2wslnV8LY+1BiMGuDNM0daraECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T13:01:09.076602Z","bundle_sha256":"5e1fba2e0a4d0ed2b8197793aca56061a8d835defe9387bd9b3bb8602053adf1"}}