{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:JCEFQTDNM5WW3DV5RHPFD2BNWR","short_pith_number":"pith:JCEFQTDN","canonical_record":{"source":{"id":"1205.4000","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-05-17T18:20:11Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"9e31cc0ff34a1c22529831b146ef92468a3cad3f32492969c24deba68c1d64bb","abstract_canon_sha256":"8dbfc8bfe9a5727ddc452d97ef07cc2af44a49809970e1af4d79e15ecab1d8c9"},"schema_version":"1.0"},"canonical_sha256":"4888584c6d676d6d8ebd89de51e82db47624a2cf67f271e5a584a44ae6ef9cbb","source":{"kind":"arxiv","id":"1205.4000","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4000","created_at":"2026-05-18T01:57:26Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4000v2","created_at":"2026-05-18T01:57:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4000","created_at":"2026-05-18T01:57:26Z"},{"alias_kind":"pith_short_12","alias_value":"JCEFQTDNM5WW","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JCEFQTDNM5WW3DV5","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JCEFQTDN","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:JCEFQTDNM5WW3DV5RHPFD2BNWR","target":"record","payload":{"canonical_record":{"source":{"id":"1205.4000","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-05-17T18:20:11Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"9e31cc0ff34a1c22529831b146ef92468a3cad3f32492969c24deba68c1d64bb","abstract_canon_sha256":"8dbfc8bfe9a5727ddc452d97ef07cc2af44a49809970e1af4d79e15ecab1d8c9"},"schema_version":"1.0"},"canonical_sha256":"4888584c6d676d6d8ebd89de51e82db47624a2cf67f271e5a584a44ae6ef9cbb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:26.005469Z","signature_b64":"+vFz8fDx0W3bPYyhM9KDuiDePUkkXJv7mzMjdGN3WQ5AzcLUmyEtHFsaPB7oYxOFFlspM3+OwRruwANADviyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4888584c6d676d6d8ebd89de51e82db47624a2cf67f271e5a584a44ae6ef9cbb","last_reissued_at":"2026-05-18T01:57:26.004952Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:26.004952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.4000","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I4V7O+4AK3m3ipIugCwUPBy09VVH1PTxxiC54Kgl0XBJ7T2hq5kkibKM5QMm4y7w3sQtIOonTidmLD9u/ScEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:00:22.446606Z"},"content_sha256":"653aa3a6a67d21e40b459e69a3288f14be3c5a978cea70e7e5e98936bd7009f3","schema_version":"1.0","event_id":"sha256:653aa3a6a67d21e40b459e69a3288f14be3c5a978cea70e7e5e98936bd7009f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:JCEFQTDNM5WW3DV5RHPFD2BNWR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Big Bang nucleosynthesis with a non-Maxwellian distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"nucl-th","authors_text":"C. A. Bertulani, J. Fuqua, M.S. Hussein","submitted_at":"2012-05-17T18:20:11Z","abstract_excerpt":"The abundances of light elements based on the big bang nucleosynthesis model are calculated using the Tsallis non-extensive statistics. The impact of the variation of the non-extensive parameter $q$ from the unity value is compared to observations and to the abundance yields from the standard big bang model. We find large differences between the reaction rates and the abundance of light elements calculated with the extensive and the non-extensive statistics. We found that the observations are consistent with a non-extensive parameter q = 1 + 0.05 - 0.12, indicating that a large deviation from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4000","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:57:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lXg5DJeahHJyy18apSj+yaKqA5rozPC6z8v7+gtnzSutUFJQvCLfoJLkUBluTpHrjbrNoMOcxpKyB4MbsUiSDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:00:22.447248Z"},"content_sha256":"4bfcbe857c1b8c186c7820bfd7f2979ae0c1626a182444875bd18a190519017f","schema_version":"1.0","event_id":"sha256:4bfcbe857c1b8c186c7820bfd7f2979ae0c1626a182444875bd18a190519017f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR/bundle.json","state_url":"https://pith.science/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR/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":"2026-06-09T10:00:22Z","links":{"resolver":"https://pith.science/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR","bundle":"https://pith.science/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR/bundle.json","state":"https://pith.science/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JCEFQTDNM5WW3DV5RHPFD2BNWR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:JCEFQTDNM5WW3DV5RHPFD2BNWR","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":"8dbfc8bfe9a5727ddc452d97ef07cc2af44a49809970e1af4d79e15ecab1d8c9","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-05-17T18:20:11Z","title_canon_sha256":"9e31cc0ff34a1c22529831b146ef92468a3cad3f32492969c24deba68c1d64bb"},"schema_version":"1.0","source":{"id":"1205.4000","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4000","created_at":"2026-05-18T01:57:26Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4000v2","created_at":"2026-05-18T01:57:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4000","created_at":"2026-05-18T01:57:26Z"},{"alias_kind":"pith_short_12","alias_value":"JCEFQTDNM5WW","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"JCEFQTDNM5WW3DV5","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"JCEFQTDN","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:4bfcbe857c1b8c186c7820bfd7f2979ae0c1626a182444875bd18a190519017f","target":"graph","created_at":"2026-05-18T01:57:26Z","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":"The abundances of light elements based on the big bang nucleosynthesis model are calculated using the Tsallis non-extensive statistics. The impact of the variation of the non-extensive parameter $q$ from the unity value is compared to observations and to the abundance yields from the standard big bang model. We find large differences between the reaction rates and the abundance of light elements calculated with the extensive and the non-extensive statistics. We found that the observations are consistent with a non-extensive parameter q = 1 + 0.05 - 0.12, indicating that a large deviation from ","authors_text":"C. A. Bertulani, J. Fuqua, M.S. Hussein","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-05-17T18:20:11Z","title":"Big Bang nucleosynthesis with a non-Maxwellian distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4000","kind":"arxiv","version":2},"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":"sha256:653aa3a6a67d21e40b459e69a3288f14be3c5a978cea70e7e5e98936bd7009f3","target":"record","created_at":"2026-05-18T01:57:26Z","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":"8dbfc8bfe9a5727ddc452d97ef07cc2af44a49809970e1af4d79e15ecab1d8c9","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-05-17T18:20:11Z","title_canon_sha256":"9e31cc0ff34a1c22529831b146ef92468a3cad3f32492969c24deba68c1d64bb"},"schema_version":"1.0","source":{"id":"1205.4000","kind":"arxiv","version":2}},"canonical_sha256":"4888584c6d676d6d8ebd89de51e82db47624a2cf67f271e5a584a44ae6ef9cbb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4888584c6d676d6d8ebd89de51e82db47624a2cf67f271e5a584a44ae6ef9cbb","first_computed_at":"2026-05-18T01:57:26.004952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:26.004952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+vFz8fDx0W3bPYyhM9KDuiDePUkkXJv7mzMjdGN3WQ5AzcLUmyEtHFsaPB7oYxOFFlspM3+OwRruwANADviyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:26.005469Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.4000","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:653aa3a6a67d21e40b459e69a3288f14be3c5a978cea70e7e5e98936bd7009f3","sha256:4bfcbe857c1b8c186c7820bfd7f2979ae0c1626a182444875bd18a190519017f"],"state_sha256":"e62253ccfa773b35f02d15bc33ef58845c0e3e561ae216e60a8d5ffd766d3808"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2jp0ApPMesxJ44v8sS6hdfn7xd6wew2Ma3tpq6T6lg59F7PMI6vS19590gWGJcrkX5v7mbajHqvMeGT6CJ+TAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T10:00:22.451649Z","bundle_sha256":"1bdd339076c665be46aac24ea0546e4b92108b84e36b0f60bef115477e599998"}}