{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:AYBLXT7E24LLQ6QSB6EGLB6KAH","short_pith_number":"pith:AYBLXT7E","canonical_record":{"source":{"id":"1212.6954","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-31T19:36:27Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"7aa81b63cc9967878080d77e3bb0f6166de9ca9426ce9558273f3165b41cd340","abstract_canon_sha256":"fad9100b90070100cd18db645c0160979d670976870ca5f298a5cf5d9410cd97"},"schema_version":"1.0"},"canonical_sha256":"0602bbcfe4d716b87a120f886587ca01c3b99167acaefade729ce71d92ddbb03","source":{"kind":"arxiv","id":"1212.6954","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6954","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6954v3","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6954","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"pith_short_12","alias_value":"AYBLXT7E24LL","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AYBLXT7E24LLQ6QS","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AYBLXT7E","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:AYBLXT7E24LLQ6QSB6EGLB6KAH","target":"record","payload":{"canonical_record":{"source":{"id":"1212.6954","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-31T19:36:27Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"7aa81b63cc9967878080d77e3bb0f6166de9ca9426ce9558273f3165b41cd340","abstract_canon_sha256":"fad9100b90070100cd18db645c0160979d670976870ca5f298a5cf5d9410cd97"},"schema_version":"1.0"},"canonical_sha256":"0602bbcfe4d716b87a120f886587ca01c3b99167acaefade729ce71d92ddbb03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:22.561974Z","signature_b64":"ZKj8izbcA7uIUiHdhue9a0cmTji1mXzlK3ZbgdYQFnQidI5IcQ8vmMLfePEDL1i92ikqOEl2Ru4tGfr+ayG4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0602bbcfe4d716b87a120f886587ca01c3b99167acaefade729ce71d92ddbb03","last_reissued_at":"2026-05-18T01:52:22.561539Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:22.561539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.6954","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"28MiNA31mMEdrIW3RhxyqqqP+KNCKYcbMP4R/LJEG5vUfxUhcQPiYQHaLRfB9xTva8vscLJ9iTNdHE0a78CjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:52:01.710774Z"},"content_sha256":"eb479fea6f814ceb50b12a5760c5fe114174b91350b97f65349127528e24cfa8","schema_version":"1.0","event_id":"sha256:eb479fea6f814ceb50b12a5760c5fe114174b91350b97f65349127528e24cfa8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:AYBLXT7E24LLQ6QSB6EGLB6KAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bouncing solutions in Rastall's theory with a barotropic fluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Gabriel F. Silva, Julio C. Fabris, Luciano Casarini, Oliver F. Piattella, Taislane O. Barbosa","submitted_at":"2012-12-31T19:36:27Z","abstract_excerpt":"Rastall's theory is a modification of Einstein's theory of gravity where the covariant divergence of the stress-energy tensor is no more vanishing, but proportional to the gradient of the Ricci scalar. The motivation of this theory is to investigate a possible non-minimal coupling of the matter fields to geometry which, being proportional to the curvature scalar, may represent an effective description of quantum gravity effects. Non-conservation of the stress-energy tensor, via Bianchi identities, implies new field equations which have been recently used in a cosmological context, leading to s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6954","kind":"arxiv","version":3},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DaoTcY+LYq3Ul2AN1HkFxUDiAN+B0LOo/zlEvOQ79WCl4yg+mgFgrHM+OWmP9s12gjd+K3iZ3YneSGGBR40gAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T14:52:01.711438Z"},"content_sha256":"d5dd892a1c36c93ec9e31e2a6a2fc7032dcf0c0b5d87ba74e13a0fd411bf862c","schema_version":"1.0","event_id":"sha256:d5dd892a1c36c93ec9e31e2a6a2fc7032dcf0c0b5d87ba74e13a0fd411bf862c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH/bundle.json","state_url":"https://pith.science/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH/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":"2026-06-01T14:52:01Z","links":{"resolver":"https://pith.science/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH","bundle":"https://pith.science/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH/bundle.json","state":"https://pith.science/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AYBLXT7E24LLQ6QSB6EGLB6KAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:AYBLXT7E24LLQ6QSB6EGLB6KAH","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":"fad9100b90070100cd18db645c0160979d670976870ca5f298a5cf5d9410cd97","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-31T19:36:27Z","title_canon_sha256":"7aa81b63cc9967878080d77e3bb0f6166de9ca9426ce9558273f3165b41cd340"},"schema_version":"1.0","source":{"id":"1212.6954","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6954","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6954v3","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6954","created_at":"2026-05-18T01:52:22Z"},{"alias_kind":"pith_short_12","alias_value":"AYBLXT7E24LL","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AYBLXT7E24LLQ6QS","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AYBLXT7E","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:d5dd892a1c36c93ec9e31e2a6a2fc7032dcf0c0b5d87ba74e13a0fd411bf862c","target":"graph","created_at":"2026-05-18T01:52:22Z","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"},"paper":{"abstract_excerpt":"Rastall's theory is a modification of Einstein's theory of gravity where the covariant divergence of the stress-energy tensor is no more vanishing, but proportional to the gradient of the Ricci scalar. The motivation of this theory is to investigate a possible non-minimal coupling of the matter fields to geometry which, being proportional to the curvature scalar, may represent an effective description of quantum gravity effects. Non-conservation of the stress-energy tensor, via Bianchi identities, implies new field equations which have been recently used in a cosmological context, leading to s","authors_text":"Gabriel F. Silva, Julio C. Fabris, Luciano Casarini, Oliver F. Piattella, Taislane O. Barbosa","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-31T19:36:27Z","title":"Bouncing solutions in Rastall's theory with a barotropic fluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6954","kind":"arxiv","version":3},"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:eb479fea6f814ceb50b12a5760c5fe114174b91350b97f65349127528e24cfa8","target":"record","created_at":"2026-05-18T01:52:22Z","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":"fad9100b90070100cd18db645c0160979d670976870ca5f298a5cf5d9410cd97","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-12-31T19:36:27Z","title_canon_sha256":"7aa81b63cc9967878080d77e3bb0f6166de9ca9426ce9558273f3165b41cd340"},"schema_version":"1.0","source":{"id":"1212.6954","kind":"arxiv","version":3}},"canonical_sha256":"0602bbcfe4d716b87a120f886587ca01c3b99167acaefade729ce71d92ddbb03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0602bbcfe4d716b87a120f886587ca01c3b99167acaefade729ce71d92ddbb03","first_computed_at":"2026-05-18T01:52:22.561539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:22.561539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZKj8izbcA7uIUiHdhue9a0cmTji1mXzlK3ZbgdYQFnQidI5IcQ8vmMLfePEDL1i92ikqOEl2Ru4tGfr+ayG4AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:22.561974Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.6954","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb479fea6f814ceb50b12a5760c5fe114174b91350b97f65349127528e24cfa8","sha256:d5dd892a1c36c93ec9e31e2a6a2fc7032dcf0c0b5d87ba74e13a0fd411bf862c"],"state_sha256":"70c7c3ab795a73ef39cb7133a1549469514c64ff0e34618e0d8e33eb1744f661"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9BDn5Zm+/V9TMM32PVWq9SC4pLFISmxwHF2JdVg7CZTX9XTNasDAkr+RQa3Ou/CeoIm07pZaG22uAQCANJh6CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T14:52:01.714575Z","bundle_sha256":"3707cbfe5788fef5ef7f2630c6526e4c01f797d76605fd3fb80a0d57f9cc2e66"}}