{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:B7MPXIJLKHCHLYZ4BOTMJ6433F","short_pith_number":"pith:B7MPXIJL","canonical_record":{"source":{"id":"1507.04451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-16T05:01:27Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b3fcac30599289530f91dd146668d45a351d17b97d5b70ac60185358ace76d3b","abstract_canon_sha256":"cb86b7b6dcfe45d8bd7e9feaed1e70649af47d33158ca3de5ca3e87fbb518940"},"schema_version":"1.0"},"canonical_sha256":"0fd8fba12b51c475e33c0ba6c4fb9bd9585771a0ddd3aaa143fc0a90c964ad56","source":{"kind":"arxiv","id":"1507.04451","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.04451","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"arxiv_version","alias_value":"1507.04451v1","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.04451","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"pith_short_12","alias_value":"B7MPXIJLKHCH","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B7MPXIJLKHCHLYZ4","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B7MPXIJL","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:B7MPXIJLKHCHLYZ4BOTMJ6433F","target":"record","payload":{"canonical_record":{"source":{"id":"1507.04451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-16T05:01:27Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b3fcac30599289530f91dd146668d45a351d17b97d5b70ac60185358ace76d3b","abstract_canon_sha256":"cb86b7b6dcfe45d8bd7e9feaed1e70649af47d33158ca3de5ca3e87fbb518940"},"schema_version":"1.0"},"canonical_sha256":"0fd8fba12b51c475e33c0ba6c4fb9bd9585771a0ddd3aaa143fc0a90c964ad56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:59.811651Z","signature_b64":"vtLgqYfv4H2mwULuwTtpLNMxEtU8gtThhB9lcTAGgqCTo2e2v8j80Sv23mUEO/VoEo9v4xXxORteQnpKmAWcCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fd8fba12b51c475e33c0ba6c4fb9bd9585771a0ddd3aaa143fc0a90c964ad56","last_reissued_at":"2026-05-18T01:32:59.811116Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:59.811116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.04451","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":"2026-05-18T01:32:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2zHbz/lbZ4ipFxWPDeNJjo4pjrOtVaZGdr0hoC25hOXTd3EJ/8xOm/s4wY/YaQ9gjI7lLf05DM5a/C+ZEp5+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:02:39.285814Z"},"content_sha256":"a280e3bdd1e97845cae877a2169ab91d463c32ea7ed911bf80b636cc55cb8f04","schema_version":"1.0","event_id":"sha256:a280e3bdd1e97845cae877a2169ab91d463c32ea7ed911bf80b636cc55cb8f04"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:B7MPXIJLKHCHLYZ4BOTMJ6433F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parkes radio searches of Fermi gamma-ray sources and millisecond pulsar discoveries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"B. Bhattacharyya, E. C. Ferrara, F. Camilo, H. T. Cromartie, J. E. Reynolds, J. Sarkissian, K. S. Wood, M. Keith, M. Kerr, M. T. Wolff, P. C. C. Freire, P. F. Michelson, P. M. Saz Parkinson, P. S. Ray, S. Johnston, S. M. Ransom","submitted_at":"2015-07-16T05:01:27Z","abstract_excerpt":"In a search with the Parkes radio telescope of 56 unidentified Fermi-LAT gamma-ray sources, we have detected 11 millisecond pulsars (MSPs), 10 of them discoveries, of which five were reported in Kerr et al. (2012). We did not detect radio pulsations from another six pulsars now known in these sources. We describe the completed survey, which included multiple observations of many targets done to minimize the impact of interstellar scintillation, acceleration effects in binary systems, and eclipses. We consider that 23 of the 39 remaining sources may still be viable pulsar candidates. We present"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.04451","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":"2026-05-18T01:32:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lqsZbO0pw0VhCjKz6D4f1xUDvxj93CigCANgiETkLYwnJTtbk43S7+NHJwnTv1hsdFT0AKAM29r0kUcqhBA5Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:02:39.286461Z"},"content_sha256":"a9f39fa347396da65f6fa9e6b6b7c71621ab463c14df815ae11325612c100931","schema_version":"1.0","event_id":"sha256:a9f39fa347396da65f6fa9e6b6b7c71621ab463c14df815ae11325612c100931"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F/bundle.json","state_url":"https://pith.science/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F/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":"2026-05-26T08:02:39Z","links":{"resolver":"https://pith.science/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F","bundle":"https://pith.science/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F/bundle.json","state":"https://pith.science/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7MPXIJLKHCHLYZ4BOTMJ6433F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:B7MPXIJLKHCHLYZ4BOTMJ6433F","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":"cb86b7b6dcfe45d8bd7e9feaed1e70649af47d33158ca3de5ca3e87fbb518940","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-16T05:01:27Z","title_canon_sha256":"b3fcac30599289530f91dd146668d45a351d17b97d5b70ac60185358ace76d3b"},"schema_version":"1.0","source":{"id":"1507.04451","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.04451","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"arxiv_version","alias_value":"1507.04451v1","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.04451","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"pith_short_12","alias_value":"B7MPXIJLKHCH","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"B7MPXIJLKHCHLYZ4","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"B7MPXIJL","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:a9f39fa347396da65f6fa9e6b6b7c71621ab463c14df815ae11325612c100931","target":"graph","created_at":"2026-05-18T01:32:59Z","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":"In a search with the Parkes radio telescope of 56 unidentified Fermi-LAT gamma-ray sources, we have detected 11 millisecond pulsars (MSPs), 10 of them discoveries, of which five were reported in Kerr et al. (2012). We did not detect radio pulsations from another six pulsars now known in these sources. We describe the completed survey, which included multiple observations of many targets done to minimize the impact of interstellar scintillation, acceleration effects in binary systems, and eclipses. We consider that 23 of the 39 remaining sources may still be viable pulsar candidates. We present","authors_text":"B. Bhattacharyya, E. C. Ferrara, F. Camilo, H. T. Cromartie, J. E. Reynolds, J. Sarkissian, K. S. Wood, M. Keith, M. Kerr, M. T. Wolff, P. C. C. Freire, P. F. Michelson, P. M. Saz Parkinson, P. S. Ray, S. Johnston, S. M. Ransom","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-16T05:01:27Z","title":"Parkes radio searches of Fermi gamma-ray sources and millisecond pulsar discoveries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.04451","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:a280e3bdd1e97845cae877a2169ab91d463c32ea7ed911bf80b636cc55cb8f04","target":"record","created_at":"2026-05-18T01:32:59Z","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":"cb86b7b6dcfe45d8bd7e9feaed1e70649af47d33158ca3de5ca3e87fbb518940","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-16T05:01:27Z","title_canon_sha256":"b3fcac30599289530f91dd146668d45a351d17b97d5b70ac60185358ace76d3b"},"schema_version":"1.0","source":{"id":"1507.04451","kind":"arxiv","version":1}},"canonical_sha256":"0fd8fba12b51c475e33c0ba6c4fb9bd9585771a0ddd3aaa143fc0a90c964ad56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fd8fba12b51c475e33c0ba6c4fb9bd9585771a0ddd3aaa143fc0a90c964ad56","first_computed_at":"2026-05-18T01:32:59.811116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:59.811116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vtLgqYfv4H2mwULuwTtpLNMxEtU8gtThhB9lcTAGgqCTo2e2v8j80Sv23mUEO/VoEo9v4xXxORteQnpKmAWcCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:59.811651Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.04451","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a280e3bdd1e97845cae877a2169ab91d463c32ea7ed911bf80b636cc55cb8f04","sha256:a9f39fa347396da65f6fa9e6b6b7c71621ab463c14df815ae11325612c100931"],"state_sha256":"098ff0341ea861e2140c277548a49b165d3f437690c14337b7726c74773ae191"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kXIV7w/FtXEzE3828Y2zAo629CDJaDkXdI4hxCiYc9eCcgov8L2by8hJgRApTKt6UzMj49l3KPsORuNngJGeCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:02:39.290194Z","bundle_sha256":"d3e5c8ecb8e90a58c85aed8b58a3873b390c82aee4adff5a8a42fc5d3261a2fe"}}