{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:DUKRFWJ5SOXIYAKEHJIXA3ATIO","short_pith_number":"pith:DUKRFWJ5","canonical_record":{"source":{"id":"astro-ph/0012414","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-19T23:23:32Z","cross_cats_sorted":[],"title_canon_sha256":"bfbf9286413888a71a06ac21076e2796d54331a0da961df980bb058439db821f","abstract_canon_sha256":"a11cd4d35207a1800cdbf153c39a554137dedb07f91baef84f5456122a0b7bc1"},"schema_version":"1.0"},"canonical_sha256":"1d1512d93d93ae8c01443a51706c1343bf8a10eaab60bc84f2e37dbbc16467a5","source":{"kind":"arxiv","id":"astro-ph/0012414","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0012414","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0012414v2","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0012414","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"pith_short_12","alias_value":"DUKRFWJ5SOXI","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"pith_short_16","alias_value":"DUKRFWJ5SOXIYAKE","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"pith_short_8","alias_value":"DUKRFWJ5","created_at":"2026-07-04T16:17:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:DUKRFWJ5SOXIYAKEHJIXA3ATIO","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0012414","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-19T23:23:32Z","cross_cats_sorted":[],"title_canon_sha256":"bfbf9286413888a71a06ac21076e2796d54331a0da961df980bb058439db821f","abstract_canon_sha256":"a11cd4d35207a1800cdbf153c39a554137dedb07f91baef84f5456122a0b7bc1"},"schema_version":"1.0"},"canonical_sha256":"1d1512d93d93ae8c01443a51706c1343bf8a10eaab60bc84f2e37dbbc16467a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:17:49.711104Z","signature_b64":"Z85lm/MWIE4DlVuEMv0wxkUvO2A//XxUuTeUgCS+pTCzEZ4TFvEmfQ4rd/iTV4p6pFn4LXIYw4dLsWmOZiStDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d1512d93d93ae8c01443a51706c1343bf8a10eaab60bc84f2e37dbbc16467a5","last_reissued_at":"2026-07-04T16:17:49.710618Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:17:49.710618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0012414","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":"2026-07-04T16:17:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VMUSDTa3Gpqm5y4/ZlV2mFIWEtAngRGIbsOPM16JZ8WMBgk5yZuPabF5hrRiPoGgwC+VjKhxlVo2Bct9VXlWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T04:19:56.731827Z"},"content_sha256":"5e2c2ddce2f69082e86ceb6243550f7163d3b734acf1ada61ecb54738fb81b62","schema_version":"1.0","event_id":"sha256:5e2c2ddce2f69082e86ceb6243550f7163d3b734acf1ada61ecb54738fb81b62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:DUKRFWJ5SOXIYAKEHJIXA3ATIO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PSR J1740-3052 - a pulsar with a massive companion","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. G. Lyne, A. Possenti, D. J. Morris, F. Camilo, F. Crawford, I. H. Stairs, J. F. Bell, L. E. Tacconi-Garman, M. Kramer, N. C. Hambly, N. d'Amico, N. P. F. McKay, P. R. Wood, R. D. Cannon, R. N. Manchester, S. L. Lumsden, V. M. Kaspi","submitted_at":"2000-12-19T23:23:32Z","abstract_excerpt":"We report on the discovery of a binary pulsar, PSR J1740-3052, during the Parkes multibeam survey. Timing observations of the 570-ms pulsar at Jodrell Bank and Parkes show that it is young, with a characteristic age of 350 kyr, and is in a 231-day, highly eccentric orbit with a companion whose mass exceeds 11 M_sun. An accurate position for the pulsar was obtained using the Australia Telescope Compact Array. Near-infrared 2.2-um observations make with the telescopes at the Siding Spring observatory reveal a late-type star coincident with the pulsar position. However, we do not believe that thi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0012414","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0012414/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":"2026-07-04T16:17:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q5FN6fNY3E+DpKS8IADDVBTELB1PlG/20UwcsScsfvF8CSBSKq7mMsi5f8M/fTV3LZ/HRwQJSyQ8tNZ6WU0cCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T04:19:56.732979Z"},"content_sha256":"9d928989364b474d56aaa3a77e38d7cee6b25f124c18e1db1d23f26dfc753be6","schema_version":"1.0","event_id":"sha256:9d928989364b474d56aaa3a77e38d7cee6b25f124c18e1db1d23f26dfc753be6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO/bundle.json","state_url":"https://pith.science/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO/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":"2026-08-12T04:19:56Z","links":{"resolver":"https://pith.science/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO","bundle":"https://pith.science/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO/bundle.json","state":"https://pith.science/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUKRFWJ5SOXIYAKEHJIXA3ATIO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:DUKRFWJ5SOXIYAKEHJIXA3ATIO","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":"a11cd4d35207a1800cdbf153c39a554137dedb07f91baef84f5456122a0b7bc1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-19T23:23:32Z","title_canon_sha256":"bfbf9286413888a71a06ac21076e2796d54331a0da961df980bb058439db821f"},"schema_version":"1.0","source":{"id":"astro-ph/0012414","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0012414","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0012414v2","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0012414","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"pith_short_12","alias_value":"DUKRFWJ5SOXI","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"pith_short_16","alias_value":"DUKRFWJ5SOXIYAKE","created_at":"2026-07-04T16:17:49Z"},{"alias_kind":"pith_short_8","alias_value":"DUKRFWJ5","created_at":"2026-07-04T16:17:49Z"}],"graph_snapshots":[{"event_id":"sha256:9d928989364b474d56aaa3a77e38d7cee6b25f124c18e1db1d23f26dfc753be6","target":"graph","created_at":"2026-07-04T16:17:49Z","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/astro-ph/0012414/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the discovery of a binary pulsar, PSR J1740-3052, during the Parkes multibeam survey. Timing observations of the 570-ms pulsar at Jodrell Bank and Parkes show that it is young, with a characteristic age of 350 kyr, and is in a 231-day, highly eccentric orbit with a companion whose mass exceeds 11 M_sun. An accurate position for the pulsar was obtained using the Australia Telescope Compact Array. Near-infrared 2.2-um observations make with the telescopes at the Siding Spring observatory reveal a late-type star coincident with the pulsar position. However, we do not believe that thi","authors_text":"A. G. Lyne, A. Possenti, D. J. Morris, F. Camilo, F. Crawford, I. H. Stairs, J. F. Bell, L. E. Tacconi-Garman, M. Kramer, N. C. Hambly, N. d'Amico, N. P. F. McKay, P. R. Wood, R. D. Cannon, R. N. Manchester, S. L. Lumsden, V. M. Kaspi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-12-19T23:23:32Z","title":"PSR J1740-3052 - a pulsar with a massive companion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0012414","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":"sha256:5e2c2ddce2f69082e86ceb6243550f7163d3b734acf1ada61ecb54738fb81b62","target":"record","created_at":"2026-07-04T16:17:49Z","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":"a11cd4d35207a1800cdbf153c39a554137dedb07f91baef84f5456122a0b7bc1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-12-19T23:23:32Z","title_canon_sha256":"bfbf9286413888a71a06ac21076e2796d54331a0da961df980bb058439db821f"},"schema_version":"1.0","source":{"id":"astro-ph/0012414","kind":"arxiv","version":2}},"canonical_sha256":"1d1512d93d93ae8c01443a51706c1343bf8a10eaab60bc84f2e37dbbc16467a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d1512d93d93ae8c01443a51706c1343bf8a10eaab60bc84f2e37dbbc16467a5","first_computed_at":"2026-07-04T16:17:49.710618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:17:49.710618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z85lm/MWIE4DlVuEMv0wxkUvO2A//XxUuTeUgCS+pTCzEZ4TFvEmfQ4rd/iTV4p6pFn4LXIYw4dLsWmOZiStDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:17:49.711104Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0012414","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e2c2ddce2f69082e86ceb6243550f7163d3b734acf1ada61ecb54738fb81b62","sha256:9d928989364b474d56aaa3a77e38d7cee6b25f124c18e1db1d23f26dfc753be6"],"state_sha256":"adddc6d8b3603e9266428091596a08740e363fc4de3c3d98bde84c7b195eefaa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"obqtwO0Rxk4kcTyfFSX8oedHGIpiSWdJhr+uPQN0tqCP34naEJ48mrey/I39SGqB4zRqNufyfKYduG+PQc1iBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T04:19:56.740381Z","bundle_sha256":"81f5941a0cba97b71b9871347153a9d817b6de09c4765b90413929c5c88367b0"}}