{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:AILVOZ5NRQPJAPESAGQN7V34AL","short_pith_number":"pith:AILVOZ5N","canonical_record":{"source":{"id":"gr-qc/0610043","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-10T18:35:57Z","cross_cats_sorted":[],"title_canon_sha256":"54184dcb0edd55c546dc31820edade25eb9518b2a7a8b544d17d3b979990dd3c","abstract_canon_sha256":"1387ad80170059de00caeae9a6e1452af832869f7cafe894133f820bf87c032c"},"schema_version":"1.0"},"canonical_sha256":"02175767ad8c1e903c9201a0dfd77c02c3c9e6a486df6323eaa91b88de32834d","source":{"kind":"arxiv","id":"gr-qc/0610043","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0610043","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0610043v1","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0610043","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"pith_short_12","alias_value":"AILVOZ5NRQPJ","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"pith_short_16","alias_value":"AILVOZ5NRQPJAPES","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"pith_short_8","alias_value":"AILVOZ5N","created_at":"2026-07-04T15:19:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:AILVOZ5NRQPJAPESAGQN7V34AL","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0610043","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-10T18:35:57Z","cross_cats_sorted":[],"title_canon_sha256":"54184dcb0edd55c546dc31820edade25eb9518b2a7a8b544d17d3b979990dd3c","abstract_canon_sha256":"1387ad80170059de00caeae9a6e1452af832869f7cafe894133f820bf87c032c"},"schema_version":"1.0"},"canonical_sha256":"02175767ad8c1e903c9201a0dfd77c02c3c9e6a486df6323eaa91b88de32834d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:19:20.798246Z","signature_b64":"83tvUErVddX4toAt+L2VKXMvTmCrraeySgIQr8QevtinwfVdXqbCfZQN4uqJsXSZz1aoD/DPdb7Bt0L5R//lCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02175767ad8c1e903c9201a0dfd77c02c3c9e6a486df6323eaa91b88de32834d","last_reissued_at":"2026-07-04T15:19:20.797839Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:19:20.797839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0610043","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":"2026-07-04T15:19:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9CGhXomTSDygFsZPE2DMabvV3Rk3W0GDzTDUMeni7O73FnsYxU2EI3tnQwjrj/TFw8RsY6HjKcIZ8pw2o2zdBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T14:12:55.508469Z"},"content_sha256":"11e96d811d93af63082d2dfcf6ac4e820d891cc536a9aa4297917fcb0ea3bf2b","schema_version":"1.0","event_id":"sha256:11e96d811d93af63082d2dfcf6ac4e820d891cc536a9aa4297917fcb0ea3bf2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:AILVOZ5NRQPJAPESAGQN7V34AL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological Effects of Nonlinear Electrodynamics","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"E. Goulart, J. M. Salim, M. Novello, S. E. Perez Bergliaffa","submitted_at":"2006-10-10T18:35:57Z","abstract_excerpt":"It will be shown that a given realization of nonlinear electrodynamics, used as source of Einstein's equations, generates a cosmological model with interesting features, namely a phase of current cosmic acceleration, and the absence of an initial singularity, thus pointing to a way to solve two important problems in cosmology."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0610043","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/0610043/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":"2026-07-04T15:19:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FKE1QOlIZnSJJ2NAC7qZf+ADi/XSJpsKVIveBphHDARULnmza9NMgu1OpRNhadUaNU3iWfzY4Ng+EOCz9Vl9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T14:12:55.508919Z"},"content_sha256":"e83c406bf87831a8db94f924661f2b4328b62d4de32a36489fcee739d10d1f0f","schema_version":"1.0","event_id":"sha256:e83c406bf87831a8db94f924661f2b4328b62d4de32a36489fcee739d10d1f0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AILVOZ5NRQPJAPESAGQN7V34AL/bundle.json","state_url":"https://pith.science/pith/AILVOZ5NRQPJAPESAGQN7V34AL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AILVOZ5NRQPJAPESAGQN7V34AL/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":"2026-07-31T14:12:55Z","links":{"resolver":"https://pith.science/pith/AILVOZ5NRQPJAPESAGQN7V34AL","bundle":"https://pith.science/pith/AILVOZ5NRQPJAPESAGQN7V34AL/bundle.json","state":"https://pith.science/pith/AILVOZ5NRQPJAPESAGQN7V34AL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AILVOZ5NRQPJAPESAGQN7V34AL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:AILVOZ5NRQPJAPESAGQN7V34AL","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":"1387ad80170059de00caeae9a6e1452af832869f7cafe894133f820bf87c032c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-10T18:35:57Z","title_canon_sha256":"54184dcb0edd55c546dc31820edade25eb9518b2a7a8b544d17d3b979990dd3c"},"schema_version":"1.0","source":{"id":"gr-qc/0610043","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0610043","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0610043v1","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0610043","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"pith_short_12","alias_value":"AILVOZ5NRQPJ","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"pith_short_16","alias_value":"AILVOZ5NRQPJAPES","created_at":"2026-07-04T15:19:20Z"},{"alias_kind":"pith_short_8","alias_value":"AILVOZ5N","created_at":"2026-07-04T15:19:20Z"}],"graph_snapshots":[{"event_id":"sha256:e83c406bf87831a8db94f924661f2b4328b62d4de32a36489fcee739d10d1f0f","target":"graph","created_at":"2026-07-04T15:19:20Z","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/0610043/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It will be shown that a given realization of nonlinear electrodynamics, used as source of Einstein's equations, generates a cosmological model with interesting features, namely a phase of current cosmic acceleration, and the absence of an initial singularity, thus pointing to a way to solve two important problems in cosmology.","authors_text":"E. Goulart, J. M. Salim, M. Novello, S. E. Perez Bergliaffa","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2006-10-10T18:35:57Z","title":"Cosmological Effects of Nonlinear Electrodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0610043","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":"sha256:11e96d811d93af63082d2dfcf6ac4e820d891cc536a9aa4297917fcb0ea3bf2b","target":"record","created_at":"2026-07-04T15:19:20Z","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":"1387ad80170059de00caeae9a6e1452af832869f7cafe894133f820bf87c032c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-10T18:35:57Z","title_canon_sha256":"54184dcb0edd55c546dc31820edade25eb9518b2a7a8b544d17d3b979990dd3c"},"schema_version":"1.0","source":{"id":"gr-qc/0610043","kind":"arxiv","version":1}},"canonical_sha256":"02175767ad8c1e903c9201a0dfd77c02c3c9e6a486df6323eaa91b88de32834d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02175767ad8c1e903c9201a0dfd77c02c3c9e6a486df6323eaa91b88de32834d","first_computed_at":"2026-07-04T15:19:20.797839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:19:20.797839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"83tvUErVddX4toAt+L2VKXMvTmCrraeySgIQr8QevtinwfVdXqbCfZQN4uqJsXSZz1aoD/DPdb7Bt0L5R//lCw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:19:20.798246Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0610043","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11e96d811d93af63082d2dfcf6ac4e820d891cc536a9aa4297917fcb0ea3bf2b","sha256:e83c406bf87831a8db94f924661f2b4328b62d4de32a36489fcee739d10d1f0f"],"state_sha256":"64ac6a72b607c04606ab4b87921539456813508e96e3dfcc96b988ea42b0c522"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D/B7r5Ug0nUw+I/azSghpjFyiLkkj4rGnxMLEl7Ah1YAmRUkY5fqe0rLbZsTnMr9SJL6NPP2+5nisFgwZ4X2Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T14:12:55.513433Z","bundle_sha256":"c93c75a5eb634ed9072227e9e1f56cf5db474d20cc7fea599fcccbb712d953bf"}}