{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:EXSTUSB4YIV74437SASCPLGRFQ","short_pith_number":"pith:EXSTUSB4","canonical_record":{"source":{"id":"2212.08528","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-16T15:19:22Z","cross_cats_sorted":[],"title_canon_sha256":"42020f42eb113ce5487f8e91c8586e11f81b57cb323790ade554d7d7af7492b8","abstract_canon_sha256":"09fe96c4c3d3307e4655179bc27843918a3421ad414d744f793804fbe7715cdb"},"schema_version":"1.0"},"canonical_sha256":"25e53a483cc22bfe737f902427acd12c09de7353132b1812c8193e94724c1b50","source":{"kind":"arxiv","id":"2212.08528","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.08528","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"arxiv_version","alias_value":"2212.08528v1","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.08528","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"pith_short_12","alias_value":"EXSTUSB4YIV7","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"pith_short_16","alias_value":"EXSTUSB4YIV74437","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"pith_short_8","alias_value":"EXSTUSB4","created_at":"2026-07-05T05:36:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:EXSTUSB4YIV74437SASCPLGRFQ","target":"record","payload":{"canonical_record":{"source":{"id":"2212.08528","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-16T15:19:22Z","cross_cats_sorted":[],"title_canon_sha256":"42020f42eb113ce5487f8e91c8586e11f81b57cb323790ade554d7d7af7492b8","abstract_canon_sha256":"09fe96c4c3d3307e4655179bc27843918a3421ad414d744f793804fbe7715cdb"},"schema_version":"1.0"},"canonical_sha256":"25e53a483cc22bfe737f902427acd12c09de7353132b1812c8193e94724c1b50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:36:06.037717Z","signature_b64":"a3qicke9g0RacMIH3kJZO9NJdmpgH9g+Gv5/mfvZLi07AnS8PWS4qzqkRlZyfy/2ECGoaqWm+nCtyZuC0+FVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25e53a483cc22bfe737f902427acd12c09de7353132b1812c8193e94724c1b50","last_reissued_at":"2026-07-05T05:36:06.037256Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:36:06.037256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.08528","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":"2026-07-05T05:36:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aK4DuD8WORgagu5+Equkqi6e0oDmOuqM+Q/DkzoquUD2VhTSlZ7y2R9+cS24loiVLUbi4w9NWCgrhD+cjh9eCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T16:38:08.903662Z"},"content_sha256":"16163a9a6146497ea2a47b5e231cc45866ed9055ae294e5dae7e4d77fafcd5b3","schema_version":"1.0","event_id":"sha256:16163a9a6146497ea2a47b5e231cc45866ed9055ae294e5dae7e4d77fafcd5b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:EXSTUSB4YIV74437SASCPLGRFQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The TRAPUM L-band survey for pulsars in Fermi-LAT gamma-ray sources","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Ashok, A. Phosrisom, A. Possenti, A. Ridolfi, B. Stappers, C. J. Clark, D. Horn, D. J. Champion, E. D. Barr, E. F. Keane, F. Calore, I. Cognard, J. Behrend, J.-M. Grie{\\ss}meier, L. K\\\"unkel, L. Levin, L. Nieder, L. Vleeschower, M. A. Papa, M. Burgay, M. C. Bezuidenhout, M. Geyer, M. Kramer, M. Mayer, M. Serylak, P. C. C. Freire, P. V. Padmanabh, R. Karuppusamy, R. P. Breton, S. Buchner, S. Ransom, T. R. Marsh, T. Thongmeearkom, V. S. Dhillon, V. Venkatraman Krishnan, W. Becker, W. Chen, Y. Men","submitted_at":"2022-12-16T15:19:22Z","abstract_excerpt":"More than 100 millisecond pulsars (MSPs) have been discovered in radio observations of gamma-ray sources detected by the Fermi Large Area Telescope (LAT), but hundreds of pulsar-like sources remain unidentified. Here we present the first results from the targeted survey of Fermi-LAT sources being performed by the Transients and Pulsars with MeerKAT (TRAPUM) Large Survey Project. We observed 79 sources identified as possible gamma-ray pulsar candidates by a Random Forest classification of unassociated sources from the 4FGL catalogue. Each source was observed for 10 minutes on two separate epoch"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.08528","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/2212.08528/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":"2026-07-05T05:36:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uuZsalkF5paXyGxt6W8JsiUx7u0dA7k6tALvdIRDxj3uu6Hbt0r2md6ZZ7xwZ5K+dWJGARushNRWZ0XYbm13DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T16:38:08.904632Z"},"content_sha256":"dcdd932aa6d4fff78ef83b5ac6671859a2df1c7fdac3f2bffc0f9095acff0d2a","schema_version":"1.0","event_id":"sha256:dcdd932aa6d4fff78ef83b5ac6671859a2df1c7fdac3f2bffc0f9095acff0d2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EXSTUSB4YIV74437SASCPLGRFQ/bundle.json","state_url":"https://pith.science/pith/EXSTUSB4YIV74437SASCPLGRFQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EXSTUSB4YIV74437SASCPLGRFQ/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":"2026-08-12T16:38:08Z","links":{"resolver":"https://pith.science/pith/EXSTUSB4YIV74437SASCPLGRFQ","bundle":"https://pith.science/pith/EXSTUSB4YIV74437SASCPLGRFQ/bundle.json","state":"https://pith.science/pith/EXSTUSB4YIV74437SASCPLGRFQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EXSTUSB4YIV74437SASCPLGRFQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EXSTUSB4YIV74437SASCPLGRFQ","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":"09fe96c4c3d3307e4655179bc27843918a3421ad414d744f793804fbe7715cdb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-16T15:19:22Z","title_canon_sha256":"42020f42eb113ce5487f8e91c8586e11f81b57cb323790ade554d7d7af7492b8"},"schema_version":"1.0","source":{"id":"2212.08528","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.08528","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"arxiv_version","alias_value":"2212.08528v1","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.08528","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"pith_short_12","alias_value":"EXSTUSB4YIV7","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"pith_short_16","alias_value":"EXSTUSB4YIV74437","created_at":"2026-07-05T05:36:06Z"},{"alias_kind":"pith_short_8","alias_value":"EXSTUSB4","created_at":"2026-07-05T05:36:06Z"}],"graph_snapshots":[{"event_id":"sha256:dcdd932aa6d4fff78ef83b5ac6671859a2df1c7fdac3f2bffc0f9095acff0d2a","target":"graph","created_at":"2026-07-05T05:36:06Z","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/2212.08528/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"More than 100 millisecond pulsars (MSPs) have been discovered in radio observations of gamma-ray sources detected by the Fermi Large Area Telescope (LAT), but hundreds of pulsar-like sources remain unidentified. Here we present the first results from the targeted survey of Fermi-LAT sources being performed by the Transients and Pulsars with MeerKAT (TRAPUM) Large Survey Project. We observed 79 sources identified as possible gamma-ray pulsar candidates by a Random Forest classification of unassociated sources from the 4FGL catalogue. Each source was observed for 10 minutes on two separate epoch","authors_text":"A. Ashok, A. Phosrisom, A. Possenti, A. Ridolfi, B. Stappers, C. J. Clark, D. Horn, D. J. Champion, E. D. Barr, E. F. Keane, F. Calore, I. Cognard, J. Behrend, J.-M. Grie{\\ss}meier, L. K\\\"unkel, L. Levin, L. Nieder, L. Vleeschower, M. A. Papa, M. Burgay, M. C. Bezuidenhout, M. Geyer, M. Kramer, M. Mayer, M. Serylak, P. C. C. Freire, P. V. Padmanabh, R. Karuppusamy, R. P. Breton, S. Buchner, S. Ransom, T. R. Marsh, T. Thongmeearkom, V. S. Dhillon, V. Venkatraman Krishnan, W. Becker, W. Chen, Y. Men","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-16T15:19:22Z","title":"The TRAPUM L-band survey for pulsars in Fermi-LAT gamma-ray sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.08528","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":"sha256:16163a9a6146497ea2a47b5e231cc45866ed9055ae294e5dae7e4d77fafcd5b3","target":"record","created_at":"2026-07-05T05:36:06Z","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":"09fe96c4c3d3307e4655179bc27843918a3421ad414d744f793804fbe7715cdb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-16T15:19:22Z","title_canon_sha256":"42020f42eb113ce5487f8e91c8586e11f81b57cb323790ade554d7d7af7492b8"},"schema_version":"1.0","source":{"id":"2212.08528","kind":"arxiv","version":1}},"canonical_sha256":"25e53a483cc22bfe737f902427acd12c09de7353132b1812c8193e94724c1b50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25e53a483cc22bfe737f902427acd12c09de7353132b1812c8193e94724c1b50","first_computed_at":"2026-07-05T05:36:06.037256Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:36:06.037256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a3qicke9g0RacMIH3kJZO9NJdmpgH9g+Gv5/mfvZLi07AnS8PWS4qzqkRlZyfy/2ECGoaqWm+nCtyZuC0+FVAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:36:06.037717Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.08528","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16163a9a6146497ea2a47b5e231cc45866ed9055ae294e5dae7e4d77fafcd5b3","sha256:dcdd932aa6d4fff78ef83b5ac6671859a2df1c7fdac3f2bffc0f9095acff0d2a"],"state_sha256":"8e4148fb1b15d4ff2efa99887dbdf3c860945e4ae9620d2e38fe76696008b862"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vf2oFUvGjlLjVMbG+rX2fcqZ2g1Ah7N/VBsozai/uayjS0/E3K6WfSQnfCfQQ4zXkBVpl49815rtzWXVzATYAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T16:38:08.912207Z","bundle_sha256":"bff7d137346440d02f95d03cbbcd8bc383c6260609562903dffd0ab12375c9a0"}}