{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:PQX37XTZPUR7HMZDAT6LEXY25V","short_pith_number":"pith:PQX37XTZ","canonical_record":{"source":{"id":"2409.18432","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-27T03:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"bf322f439416c14b5a30dfb699887dda0ff59ec32e72fe1c873c6d03d936fa3d","abstract_canon_sha256":"af354ec2c54ec8cfea617166f9969a773b04b59533a29320073d40f75fa933ce"},"schema_version":"1.0"},"canonical_sha256":"7c2fbfde797d23f3b32304fcb25f1aed4bc5e4b1ee3e45aa7b7d05a57e76a906","source":{"kind":"arxiv","id":"2409.18432","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.18432","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"arxiv_version","alias_value":"2409.18432v1","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.18432","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"pith_short_12","alias_value":"PQX37XTZPUR7","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"pith_short_16","alias_value":"PQX37XTZPUR7HMZD","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"pith_short_8","alias_value":"PQX37XTZ","created_at":"2026-07-05T09:12:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:PQX37XTZPUR7HMZDAT6LEXY25V","target":"record","payload":{"canonical_record":{"source":{"id":"2409.18432","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-27T03:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"bf322f439416c14b5a30dfb699887dda0ff59ec32e72fe1c873c6d03d936fa3d","abstract_canon_sha256":"af354ec2c54ec8cfea617166f9969a773b04b59533a29320073d40f75fa933ce"},"schema_version":"1.0"},"canonical_sha256":"7c2fbfde797d23f3b32304fcb25f1aed4bc5e4b1ee3e45aa7b7d05a57e76a906","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:12:35.730557Z","signature_b64":"OmHIrhA53IVtpW92SdGWiGrixkplLnyLiVjIou2jKYi8jtEYwLXa6jHgmdhKDHFaWnuDUuRyAu1zI98clcEVDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c2fbfde797d23f3b32304fcb25f1aed4bc5e4b1ee3e45aa7b7d05a57e76a906","last_reissued_at":"2026-07-05T09:12:35.730137Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:12:35.730137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.18432","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":"2026-07-05T09:12:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YO+d7QssftPgwNF3Vt/wtQgRcJvj0nZqNiQ3QagtCMOdTDKbIrdMxK6baGiThmzdDRt/jqElnWU8MQvyotb5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T17:05:18.978578Z"},"content_sha256":"3285e3b7dfdd6bd6628162899e8ae3c345d30b258a455389a869fc29eecb486a","schema_version":"1.0","event_id":"sha256:3285e3b7dfdd6bd6628162899e8ae3c345d30b258a455389a869fc29eecb486a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:PQX37XTZPUR7HMZDAT6LEXY25V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bayesian Insights into post-Glitch Dynamics: Model comparison and parameter constraint from decades long observation data of the Crab pulsar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chun Huang, Xiao-Ping Zheng","submitted_at":"2024-09-27T03:48:00Z","abstract_excerpt":"The Crab Pulsar has exhibited numerous glitches accompanied by persistent shifts in its spin-down rate. The explanation of the observed persistent shifts remain a challenge. We perform a detailed Bayesian analysis to compare four data-fitting models, ranging from a simple linear model to more complex power-law and logarithmic models, using a dataset of observed glitches and persistent shifts. Our results show the large observed events are difficult to explain by the usually assumed linear model due to starquakes. A particularly notable finding is that the logarithmic model provides the best fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.18432","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/2409.18432/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":"2026-07-05T09:12:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xjtnH3IUyOH6MkyQAchci8gdh7kJJ1hZIQMEp3zt62wrQ/jChydbTuJS57zxiACpdTB89sCDMizu8wFpNutuAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T17:05:18.978876Z"},"content_sha256":"9c7e9783d1a5dbf370705366e55b0c8e8e9639160156cb78304d35ebd89f90fb","schema_version":"1.0","event_id":"sha256:9c7e9783d1a5dbf370705366e55b0c8e8e9639160156cb78304d35ebd89f90fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQX37XTZPUR7HMZDAT6LEXY25V/bundle.json","state_url":"https://pith.science/pith/PQX37XTZPUR7HMZDAT6LEXY25V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQX37XTZPUR7HMZDAT6LEXY25V/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":"2026-07-31T17:05:18Z","links":{"resolver":"https://pith.science/pith/PQX37XTZPUR7HMZDAT6LEXY25V","bundle":"https://pith.science/pith/PQX37XTZPUR7HMZDAT6LEXY25V/bundle.json","state":"https://pith.science/pith/PQX37XTZPUR7HMZDAT6LEXY25V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQX37XTZPUR7HMZDAT6LEXY25V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:PQX37XTZPUR7HMZDAT6LEXY25V","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":"af354ec2c54ec8cfea617166f9969a773b04b59533a29320073d40f75fa933ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-27T03:48:00Z","title_canon_sha256":"bf322f439416c14b5a30dfb699887dda0ff59ec32e72fe1c873c6d03d936fa3d"},"schema_version":"1.0","source":{"id":"2409.18432","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.18432","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"arxiv_version","alias_value":"2409.18432v1","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.18432","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"pith_short_12","alias_value":"PQX37XTZPUR7","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"pith_short_16","alias_value":"PQX37XTZPUR7HMZD","created_at":"2026-07-05T09:12:35Z"},{"alias_kind":"pith_short_8","alias_value":"PQX37XTZ","created_at":"2026-07-05T09:12:35Z"}],"graph_snapshots":[{"event_id":"sha256:9c7e9783d1a5dbf370705366e55b0c8e8e9639160156cb78304d35ebd89f90fb","target":"graph","created_at":"2026-07-05T09:12:35Z","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/2409.18432/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Crab Pulsar has exhibited numerous glitches accompanied by persistent shifts in its spin-down rate. The explanation of the observed persistent shifts remain a challenge. We perform a detailed Bayesian analysis to compare four data-fitting models, ranging from a simple linear model to more complex power-law and logarithmic models, using a dataset of observed glitches and persistent shifts. Our results show the large observed events are difficult to explain by the usually assumed linear model due to starquakes. A particularly notable finding is that the logarithmic model provides the best fi","authors_text":"Chun Huang, Xiao-Ping Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-27T03:48:00Z","title":"Bayesian Insights into post-Glitch Dynamics: Model comparison and parameter constraint from decades long observation data of the Crab pulsar"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.18432","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":"sha256:3285e3b7dfdd6bd6628162899e8ae3c345d30b258a455389a869fc29eecb486a","target":"record","created_at":"2026-07-05T09:12:35Z","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":"af354ec2c54ec8cfea617166f9969a773b04b59533a29320073d40f75fa933ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-09-27T03:48:00Z","title_canon_sha256":"bf322f439416c14b5a30dfb699887dda0ff59ec32e72fe1c873c6d03d936fa3d"},"schema_version":"1.0","source":{"id":"2409.18432","kind":"arxiv","version":1}},"canonical_sha256":"7c2fbfde797d23f3b32304fcb25f1aed4bc5e4b1ee3e45aa7b7d05a57e76a906","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c2fbfde797d23f3b32304fcb25f1aed4bc5e4b1ee3e45aa7b7d05a57e76a906","first_computed_at":"2026-07-05T09:12:35.730137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:12:35.730137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OmHIrhA53IVtpW92SdGWiGrixkplLnyLiVjIou2jKYi8jtEYwLXa6jHgmdhKDHFaWnuDUuRyAu1zI98clcEVDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:12:35.730557Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.18432","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3285e3b7dfdd6bd6628162899e8ae3c345d30b258a455389a869fc29eecb486a","sha256:9c7e9783d1a5dbf370705366e55b0c8e8e9639160156cb78304d35ebd89f90fb"],"state_sha256":"b17d8eb56ede351daa830e53c21fa12ba47bfa87076c0f53f9a666040a09b811"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SpGfiJAWniABSwzq9b9f2tOGpsgl1CnJK5wtt/9tjA+rX5pjjoA1kvH1+GCoXKRYLFZf+MJWWFVLinTXhg4NAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T17:05:18.982423Z","bundle_sha256":"a2f1db71677c1b655979515990e64eb335c0a4c8469e430ff727057c4e0b894e"}}