{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:VVMWW6MNSVJEL6FWXMII25FOX7","short_pith_number":"pith:VVMWW6MN","canonical_record":{"source":{"id":"2310.14571","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-23T05:08:41Z","cross_cats_sorted":[],"title_canon_sha256":"0b8a90c97e866c7f34a267921826e36bb572b3ee9deaf95a6d05f03687796e00","abstract_canon_sha256":"b9aa05d58ce68fa8b50fb3cc4def5f8dcf4b3f2620b7530bf25fa6a54ccdee62"},"schema_version":"1.0"},"canonical_sha256":"ad596b798d955245f8b6bb108d74aebfdb7ac8d1907dc150e457fc2ccf6545d9","source":{"kind":"arxiv","id":"2310.14571","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.14571","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"arxiv_version","alias_value":"2310.14571v1","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.14571","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"pith_short_12","alias_value":"VVMWW6MNSVJE","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"pith_short_16","alias_value":"VVMWW6MNSVJEL6FW","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"pith_short_8","alias_value":"VVMWW6MN","created_at":"2026-07-05T07:03:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:VVMWW6MNSVJEL6FWXMII25FOX7","target":"record","payload":{"canonical_record":{"source":{"id":"2310.14571","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-23T05:08:41Z","cross_cats_sorted":[],"title_canon_sha256":"0b8a90c97e866c7f34a267921826e36bb572b3ee9deaf95a6d05f03687796e00","abstract_canon_sha256":"b9aa05d58ce68fa8b50fb3cc4def5f8dcf4b3f2620b7530bf25fa6a54ccdee62"},"schema_version":"1.0"},"canonical_sha256":"ad596b798d955245f8b6bb108d74aebfdb7ac8d1907dc150e457fc2ccf6545d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:03:46.525808Z","signature_b64":"zIH9MqIihq9tQxc34cp4aLtc+Dn4BCxTqpVl/L08+5QqAJQ9wcXojLK8xDlfFSUKe46TYVdSsN2fGrqPyZ0BDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad596b798d955245f8b6bb108d74aebfdb7ac8d1907dc150e457fc2ccf6545d9","last_reissued_at":"2026-07-05T07:03:46.525285Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:03:46.525285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.14571","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":"2026-07-05T07:03:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LEpFmHi62QO/pNOpcLO6c5vR63NGsUPe71i+GQxmtYYWAH275XoLYnabY6YuVeiZOQ8leCguKVdup6PQKwnLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T21:32:23.071944Z"},"content_sha256":"5a5d3b4914e4497038b9227e53c1268f7a87e45c7d6f1671ab9d1aa4caa9f265","schema_version":"1.0","event_id":"sha256:5a5d3b4914e4497038b9227e53c1268f7a87e45c7d6f1671ab9d1aa4caa9f265"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:VVMWW6MNSVJEL6FWXMII25FOX7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The FLASH pilot survey: an HI absorption search against MRC 1-Jy radio sources","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B\\\"arbel S. Koribalski, Elaine M. Sadler, Elizabeth K. Mahony, Emily Kerrison, Hyein Yoon, James R. Allison, Jeremy Darling, J. N. H. S. Aditya, John Morgan, Kimberly L. Emig, Marcin Glowacki, Matthew Whiting, Rajan Chhetri, Renzhi Su, Roberto Soria, Simon Weng, Stephen J. Curran, Tao An, Vanessa A. Moss","submitted_at":"2023-10-23T05:08:41Z","abstract_excerpt":"We report an ASKAP search for associated HI 21-cm absorption against bright radio sources from the Molonglo Reference Catalogue (MRC) 1-Jy sample. The search uses pilot survey data from the ASKAP First Large Absorption Survey in \\hi (FLASH) covering the redshift range $0.42 < z < 1.00$. From a sample of 62 MRC 1-Jy radio galaxies and quasars in this redshift range we report three new detections of associated HI 21-cm absorption, yielding an overall detection fraction of $1.8\\%^{+4.0\\%}_{-1.5\\%}$. The detected systems comprise two radio galaxies (MRC 2216$-$281 at $z=0.657$ and MRC 0531$-$237 a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.14571","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/2310.14571/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":"2026-07-05T07:03:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P7D0GkCcrMrj2qiFhZPL0GnzwjSgLau7asWcDUVp59dpS4ZxUkCsHu2kXzzTLQrT7JNx1t2jYHRBUeSdMgKVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T21:32:23.072769Z"},"content_sha256":"2164ec9c3aee6fc1aa58de1e248f9de94a0ecab08d97f3fad75ac8541790d035","schema_version":"1.0","event_id":"sha256:2164ec9c3aee6fc1aa58de1e248f9de94a0ecab08d97f3fad75ac8541790d035"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VVMWW6MNSVJEL6FWXMII25FOX7/bundle.json","state_url":"https://pith.science/pith/VVMWW6MNSVJEL6FWXMII25FOX7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VVMWW6MNSVJEL6FWXMII25FOX7/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":"2026-08-02T21:32:23Z","links":{"resolver":"https://pith.science/pith/VVMWW6MNSVJEL6FWXMII25FOX7","bundle":"https://pith.science/pith/VVMWW6MNSVJEL6FWXMII25FOX7/bundle.json","state":"https://pith.science/pith/VVMWW6MNSVJEL6FWXMII25FOX7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VVMWW6MNSVJEL6FWXMII25FOX7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:VVMWW6MNSVJEL6FWXMII25FOX7","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":"b9aa05d58ce68fa8b50fb3cc4def5f8dcf4b3f2620b7530bf25fa6a54ccdee62","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-23T05:08:41Z","title_canon_sha256":"0b8a90c97e866c7f34a267921826e36bb572b3ee9deaf95a6d05f03687796e00"},"schema_version":"1.0","source":{"id":"2310.14571","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.14571","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"arxiv_version","alias_value":"2310.14571v1","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.14571","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"pith_short_12","alias_value":"VVMWW6MNSVJE","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"pith_short_16","alias_value":"VVMWW6MNSVJEL6FW","created_at":"2026-07-05T07:03:46Z"},{"alias_kind":"pith_short_8","alias_value":"VVMWW6MN","created_at":"2026-07-05T07:03:46Z"}],"graph_snapshots":[{"event_id":"sha256:2164ec9c3aee6fc1aa58de1e248f9de94a0ecab08d97f3fad75ac8541790d035","target":"graph","created_at":"2026-07-05T07:03:46Z","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/2310.14571/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report an ASKAP search for associated HI 21-cm absorption against bright radio sources from the Molonglo Reference Catalogue (MRC) 1-Jy sample. The search uses pilot survey data from the ASKAP First Large Absorption Survey in \\hi (FLASH) covering the redshift range $0.42 < z < 1.00$. From a sample of 62 MRC 1-Jy radio galaxies and quasars in this redshift range we report three new detections of associated HI 21-cm absorption, yielding an overall detection fraction of $1.8\\%^{+4.0\\%}_{-1.5\\%}$. The detected systems comprise two radio galaxies (MRC 2216$-$281 at $z=0.657$ and MRC 0531$-$237 a","authors_text":"B\\\"arbel S. Koribalski, Elaine M. Sadler, Elizabeth K. Mahony, Emily Kerrison, Hyein Yoon, James R. Allison, Jeremy Darling, J. N. H. S. Aditya, John Morgan, Kimberly L. Emig, Marcin Glowacki, Matthew Whiting, Rajan Chhetri, Renzhi Su, Roberto Soria, Simon Weng, Stephen J. Curran, Tao An, Vanessa A. Moss","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-23T05:08:41Z","title":"The FLASH pilot survey: an HI absorption search against MRC 1-Jy radio sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.14571","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":"sha256:5a5d3b4914e4497038b9227e53c1268f7a87e45c7d6f1671ab9d1aa4caa9f265","target":"record","created_at":"2026-07-05T07:03:46Z","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":"b9aa05d58ce68fa8b50fb3cc4def5f8dcf4b3f2620b7530bf25fa6a54ccdee62","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-23T05:08:41Z","title_canon_sha256":"0b8a90c97e866c7f34a267921826e36bb572b3ee9deaf95a6d05f03687796e00"},"schema_version":"1.0","source":{"id":"2310.14571","kind":"arxiv","version":1}},"canonical_sha256":"ad596b798d955245f8b6bb108d74aebfdb7ac8d1907dc150e457fc2ccf6545d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad596b798d955245f8b6bb108d74aebfdb7ac8d1907dc150e457fc2ccf6545d9","first_computed_at":"2026-07-05T07:03:46.525285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:03:46.525285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zIH9MqIihq9tQxc34cp4aLtc+Dn4BCxTqpVl/L08+5QqAJQ9wcXojLK8xDlfFSUKe46TYVdSsN2fGrqPyZ0BDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:03:46.525808Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.14571","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a5d3b4914e4497038b9227e53c1268f7a87e45c7d6f1671ab9d1aa4caa9f265","sha256:2164ec9c3aee6fc1aa58de1e248f9de94a0ecab08d97f3fad75ac8541790d035"],"state_sha256":"dbd3958e1ddd2b5f9114f6710b5462fa85b552f207e62756d3c4aad9d2b9b52e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AXzVmx9x42Hpwit8n2bt0UYuOabhnNLgYGVdWoXV145aXQdOLZIU2QimFxPUr5KeSwOADOcuAGOKvcA/PqOfDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T21:32:23.078056Z","bundle_sha256":"5e7e52258aff8a3b4417c6fd73370207789af428e23f16e178f70d29017fa1af"}}