{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:K26B7VC7WSTUJWKJWHLCF56GXX","short_pith_number":"pith:K26B7VC7","canonical_record":{"source":{"id":"1008.1097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-05T22:32:28Z","cross_cats_sorted":[],"title_canon_sha256":"c76c4c867ac2bb8a15626e8c3b43ea0587f1e21652753e0a7372caef9ceed73d","abstract_canon_sha256":"f6d3404502f2b0ba6aff6a518ed853383c4c1f8dde58a4643b3998c80a9b8939"},"schema_version":"1.0"},"canonical_sha256":"56bc1fd45fb4a744d949b1d622f7c6bdfbb020f5a340906b3ec4f06387db6a6c","source":{"kind":"arxiv","id":"1008.1097","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1097","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1097v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1097","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"K26B7VC7WSTU","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"K26B7VC7WSTUJWKJ","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"K26B7VC7","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:K26B7VC7WSTUJWKJWHLCF56GXX","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-05T22:32:28Z","cross_cats_sorted":[],"title_canon_sha256":"c76c4c867ac2bb8a15626e8c3b43ea0587f1e21652753e0a7372caef9ceed73d","abstract_canon_sha256":"f6d3404502f2b0ba6aff6a518ed853383c4c1f8dde58a4643b3998c80a9b8939"},"schema_version":"1.0"},"canonical_sha256":"56bc1fd45fb4a744d949b1d622f7c6bdfbb020f5a340906b3ec4f06387db6a6c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:58.598935Z","signature_b64":"Ojq92AM1/QThwL/k4p3XmKGGgU4OCLDt5J4WaMpEXN/+OlAyK2Ix1+O114vY0Z+AKcUuRGGVMPTCljxu0yDBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56bc1fd45fb4a744d949b1d622f7c6bdfbb020f5a340906b3ec4f06387db6a6c","last_reissued_at":"2026-05-18T02:05:58.598234Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:58.598234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1097","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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EtwcKrZ0Dtpv2Th9XOcDopLjosSyeBx4cyxTLP90OGEbkg4rkJR6bwLSjYcEGn+64QUf2HkREJ+2Jv1MJD7XBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:24:14.473727Z"},"content_sha256":"ad971694b0f0532a69e4fbe98dbac0b4484cf45705ffa23ca5371cfc813a7540","schema_version":"1.0","event_id":"sha256:ad971694b0f0532a69e4fbe98dbac0b4484cf45705ffa23ca5371cfc813a7540"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:K26B7VC7WSTUJWKJWHLCF56GXX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Evolution of PSR J0737-3039B and a Model for Relativistic Spin Precession","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrea Possenti, Andrew Lyne, Benetge Perera, Fernando Camilo, Ingrid Stairs, Marta Burgay, Maura McLaughlin, Michael Kramer, Paulo Freire, Rene Breton, Richard N. Manchester, Robert Ferdman","submitted_at":"2010-08-05T22:32:28Z","abstract_excerpt":"We present the evolution of the radio emission from the 2.8-s pulsar of the double pulsar system PSR J0737-3039A/B. We provide an update on the Burgay et al. (2005) analysis by describing the changes in the pulse profile and flux density over five years of observations, culminating in the B pulsar's radio disappearance in 2008 March. Over this time, the flux density decreases by 0.177 mJy/yr at the brightest orbital phases and the pulse profile evolves from a single to a double peak, with a separation rate of 2.6 deg/yr. The pulse profile changes are most likely caused by relativistic spin pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1097","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":"2026-05-18T02:05:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CKmdRMEVEhI9GM2fu9z3SXqI6KfrQURzMrry5oqbQBTsEln4pGcwNvhNk2WqA/JVgotGJJyUNohue10578LMAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:24:14.474079Z"},"content_sha256":"92d97b30949648abe5dfde4155f12da094d603cf40844e4afd3de71bacebf85d","schema_version":"1.0","event_id":"sha256:92d97b30949648abe5dfde4155f12da094d603cf40844e4afd3de71bacebf85d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K26B7VC7WSTUJWKJWHLCF56GXX/bundle.json","state_url":"https://pith.science/pith/K26B7VC7WSTUJWKJWHLCF56GXX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K26B7VC7WSTUJWKJWHLCF56GXX/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":"2026-05-28T06:24:14Z","links":{"resolver":"https://pith.science/pith/K26B7VC7WSTUJWKJWHLCF56GXX","bundle":"https://pith.science/pith/K26B7VC7WSTUJWKJWHLCF56GXX/bundle.json","state":"https://pith.science/pith/K26B7VC7WSTUJWKJWHLCF56GXX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K26B7VC7WSTUJWKJWHLCF56GXX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:K26B7VC7WSTUJWKJWHLCF56GXX","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":"f6d3404502f2b0ba6aff6a518ed853383c4c1f8dde58a4643b3998c80a9b8939","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-05T22:32:28Z","title_canon_sha256":"c76c4c867ac2bb8a15626e8c3b43ea0587f1e21652753e0a7372caef9ceed73d"},"schema_version":"1.0","source":{"id":"1008.1097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1097","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1097v1","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1097","created_at":"2026-05-18T02:05:58Z"},{"alias_kind":"pith_short_12","alias_value":"K26B7VC7WSTU","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"K26B7VC7WSTUJWKJ","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"K26B7VC7","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:92d97b30949648abe5dfde4155f12da094d603cf40844e4afd3de71bacebf85d","target":"graph","created_at":"2026-05-18T02:05:58Z","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 present the evolution of the radio emission from the 2.8-s pulsar of the double pulsar system PSR J0737-3039A/B. We provide an update on the Burgay et al. (2005) analysis by describing the changes in the pulse profile and flux density over five years of observations, culminating in the B pulsar's radio disappearance in 2008 March. Over this time, the flux density decreases by 0.177 mJy/yr at the brightest orbital phases and the pulse profile evolves from a single to a double peak, with a separation rate of 2.6 deg/yr. The pulse profile changes are most likely caused by relativistic spin pre","authors_text":"Andrea Possenti, Andrew Lyne, Benetge Perera, Fernando Camilo, Ingrid Stairs, Marta Burgay, Maura McLaughlin, Michael Kramer, Paulo Freire, Rene Breton, Richard N. Manchester, Robert Ferdman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-05T22:32:28Z","title":"The Evolution of PSR J0737-3039B and a Model for Relativistic Spin Precession"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1097","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:ad971694b0f0532a69e4fbe98dbac0b4484cf45705ffa23ca5371cfc813a7540","target":"record","created_at":"2026-05-18T02:05:58Z","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":"f6d3404502f2b0ba6aff6a518ed853383c4c1f8dde58a4643b3998c80a9b8939","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-05T22:32:28Z","title_canon_sha256":"c76c4c867ac2bb8a15626e8c3b43ea0587f1e21652753e0a7372caef9ceed73d"},"schema_version":"1.0","source":{"id":"1008.1097","kind":"arxiv","version":1}},"canonical_sha256":"56bc1fd45fb4a744d949b1d622f7c6bdfbb020f5a340906b3ec4f06387db6a6c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56bc1fd45fb4a744d949b1d622f7c6bdfbb020f5a340906b3ec4f06387db6a6c","first_computed_at":"2026-05-18T02:05:58.598234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:58.598234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ojq92AM1/QThwL/k4p3XmKGGgU4OCLDt5J4WaMpEXN/+OlAyK2Ix1+O114vY0Z+AKcUuRGGVMPTCljxu0yDBAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:58.598935Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad971694b0f0532a69e4fbe98dbac0b4484cf45705ffa23ca5371cfc813a7540","sha256:92d97b30949648abe5dfde4155f12da094d603cf40844e4afd3de71bacebf85d"],"state_sha256":"7a8d4786c5c7f6757b8eaf85a02778b0f2bb0b1109549d4ca1e26c2f46f20292"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgajY31I5yd0eGXD8w66vEG0TB3DGNVi4ZBLlo/SvGhwiW4HQCy68AVYsRSshBsWsrXbmqrdVJWdLH9NN3xnBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:24:14.476180Z","bundle_sha256":"a12d9a3c0255dd817326ef7468b29df1ae1c43673651368f91e1886f36655319"}}