{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KEQBLT3GFKPB4XJIBZYVLEG6WB","short_pith_number":"pith:KEQBLT3G","canonical_record":{"source":{"id":"1512.05724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-12-17T19:12:14Z","cross_cats_sorted":[],"title_canon_sha256":"6b73297578857ea11d226683cb41cc7e06233198af9e325cae993be29959d373","abstract_canon_sha256":"60aacf71a9ee0f53815e2919e043d753bf6d198bd195edaa17251ae68d972ef2"},"schema_version":"1.0"},"canonical_sha256":"512015cf662a9e1e5d280e715590deb04574272de7e9bb20df6b5148b1b50974","source":{"kind":"arxiv","id":"1512.05724","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05724","created_at":"2026-05-18T01:18:39Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05724v1","created_at":"2026-05-18T01:18:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05724","created_at":"2026-05-18T01:18:39Z"},{"alias_kind":"pith_short_12","alias_value":"KEQBLT3GFKPB","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"KEQBLT3GFKPB4XJI","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"KEQBLT3G","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KEQBLT3GFKPB4XJIBZYVLEG6WB","target":"record","payload":{"canonical_record":{"source":{"id":"1512.05724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-12-17T19:12:14Z","cross_cats_sorted":[],"title_canon_sha256":"6b73297578857ea11d226683cb41cc7e06233198af9e325cae993be29959d373","abstract_canon_sha256":"60aacf71a9ee0f53815e2919e043d753bf6d198bd195edaa17251ae68d972ef2"},"schema_version":"1.0"},"canonical_sha256":"512015cf662a9e1e5d280e715590deb04574272de7e9bb20df6b5148b1b50974","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:39.012413Z","signature_b64":"/HIMZYyll+WVDomFuxAJBti5fwMnJNXa+iBr2hGNJzDqzhYnF48HKT6s9YzKp3mHMru71yqPo3BZArbRilvqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"512015cf662a9e1e5d280e715590deb04574272de7e9bb20df6b5148b1b50974","last_reissued_at":"2026-05-18T01:18:39.011868Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:39.011868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.05724","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":"2026-05-18T01:18:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DoQaGGAr/iP5c2XVarQYAKAEjJXaCV/5XkTkTZkPOpgFQePHBQqKwWcnSuKQSRR2eTdr5frC+JaIMLd/k/1gAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:10:55.542538Z"},"content_sha256":"77850f2b98e721a48438d233b2dc7f139f3baa0ffc25fda8307dc1ca7c1aa113","schema_version":"1.0","event_id":"sha256:77850f2b98e721a48438d233b2dc7f139f3baa0ffc25fda8307dc1ca7c1aa113"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KEQBLT3GFKPB4XJIBZYVLEG6WB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stochastic quintessence models: jerk and fine-structure variability constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andre L. B. Ribeiro, Christine C. Dantas","submitted_at":"2015-12-17T19:12:14Z","abstract_excerpt":"We report on constraints to the cosmological jerk parameter ($j$) and to possible variability of the fine-structure constant ($\\Delta \\alpha/\\alpha$) based on stochastic quintessence models of dark energy, discussed by Chongchitnan and Efstathiou (2007). We confirm the results by these authors in the sense that many viable solutions can be obtained, obeying current observational constraints in low redshifts. We add the observables $j$ and $\\Delta \\alpha/\\alpha$ to this conclusion. However, we find peculiarities that may produce, in the nearby Universe, potential observational imprints in futur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05724","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":""},"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":"2026-05-18T01:18:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wQyjioS/5oDfBo4PiqrRcutqxPKRguR7kBAnYVDA+J71uFXHsJppV30orjuP4jEE180am2RGK91F7bSkSSXbCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T22:10:55.542878Z"},"content_sha256":"05546dc7a43b38dc4733c9eaa0a0e62fca0df2f5b4ca57b41f52ee073fdb3dbc","schema_version":"1.0","event_id":"sha256:05546dc7a43b38dc4733c9eaa0a0e62fca0df2f5b4ca57b41f52ee073fdb3dbc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB/bundle.json","state_url":"https://pith.science/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB/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":"2026-07-01T22:10:55Z","links":{"resolver":"https://pith.science/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB","bundle":"https://pith.science/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB/bundle.json","state":"https://pith.science/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KEQBLT3GFKPB4XJIBZYVLEG6WB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KEQBLT3GFKPB4XJIBZYVLEG6WB","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":"60aacf71a9ee0f53815e2919e043d753bf6d198bd195edaa17251ae68d972ef2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-12-17T19:12:14Z","title_canon_sha256":"6b73297578857ea11d226683cb41cc7e06233198af9e325cae993be29959d373"},"schema_version":"1.0","source":{"id":"1512.05724","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05724","created_at":"2026-05-18T01:18:39Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05724v1","created_at":"2026-05-18T01:18:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05724","created_at":"2026-05-18T01:18:39Z"},{"alias_kind":"pith_short_12","alias_value":"KEQBLT3GFKPB","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"KEQBLT3GFKPB4XJI","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"KEQBLT3G","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:05546dc7a43b38dc4733c9eaa0a0e62fca0df2f5b4ca57b41f52ee073fdb3dbc","target":"graph","created_at":"2026-05-18T01:18:39Z","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":"We report on constraints to the cosmological jerk parameter ($j$) and to possible variability of the fine-structure constant ($\\Delta \\alpha/\\alpha$) based on stochastic quintessence models of dark energy, discussed by Chongchitnan and Efstathiou (2007). We confirm the results by these authors in the sense that many viable solutions can be obtained, obeying current observational constraints in low redshifts. We add the observables $j$ and $\\Delta \\alpha/\\alpha$ to this conclusion. However, we find peculiarities that may produce, in the nearby Universe, potential observational imprints in futur","authors_text":"Andre L. B. Ribeiro, Christine C. Dantas","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-12-17T19:12:14Z","title":"Stochastic quintessence models: jerk and fine-structure variability constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05724","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":"sha256:77850f2b98e721a48438d233b2dc7f139f3baa0ffc25fda8307dc1ca7c1aa113","target":"record","created_at":"2026-05-18T01:18:39Z","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":"60aacf71a9ee0f53815e2919e043d753bf6d198bd195edaa17251ae68d972ef2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-12-17T19:12:14Z","title_canon_sha256":"6b73297578857ea11d226683cb41cc7e06233198af9e325cae993be29959d373"},"schema_version":"1.0","source":{"id":"1512.05724","kind":"arxiv","version":1}},"canonical_sha256":"512015cf662a9e1e5d280e715590deb04574272de7e9bb20df6b5148b1b50974","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"512015cf662a9e1e5d280e715590deb04574272de7e9bb20df6b5148b1b50974","first_computed_at":"2026-05-18T01:18:39.011868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:39.011868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/HIMZYyll+WVDomFuxAJBti5fwMnJNXa+iBr2hGNJzDqzhYnF48HKT6s9YzKp3mHMru71yqPo3BZArbRilvqCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:39.012413Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05724","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77850f2b98e721a48438d233b2dc7f139f3baa0ffc25fda8307dc1ca7c1aa113","sha256:05546dc7a43b38dc4733c9eaa0a0e62fca0df2f5b4ca57b41f52ee073fdb3dbc"],"state_sha256":"52e9e1daf69d572f967ea0d7d1445a1edf87611d4e5b95221c46644375b40e66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uTYqs0RQr5VsqpIHlwZjgexkKkX9zjvRKYIHNXctpkuAlwIkDq6RgICpCF8yqwQ4v8K6r+7b1UnETuL3qvBkDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T22:10:55.544711Z","bundle_sha256":"d1c5f1e73312aef86c2e8500776fcc54667201160137a9dc7ac5bacfee10f554"}}