{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:VHLGCBIRYROYFBN5QSFOXFQLEL","short_pith_number":"pith:VHLGCBIR","canonical_record":{"source":{"id":"0911.0002","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-30T20:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"b888314ee3f18accb940c6a08eed17977129ca52dc33931f55dda6e025bcf79e","abstract_canon_sha256":"1a67d13bcc9fbb15033831b8843d81a14e5ef6ac03bf93cf21ff9681d47aaf23"},"schema_version":"1.0"},"canonical_sha256":"a9d6610511c45d8285bd848aeb960b22cf2e9798952121f730c7e743d749867b","source":{"kind":"arxiv","id":"0911.0002","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0002","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0002v1","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0002","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"pith_short_12","alias_value":"VHLGCBIRYROY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VHLGCBIRYROYFBN5","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VHLGCBIR","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:VHLGCBIRYROYFBN5QSFOXFQLEL","target":"record","payload":{"canonical_record":{"source":{"id":"0911.0002","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-30T20:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"b888314ee3f18accb940c6a08eed17977129ca52dc33931f55dda6e025bcf79e","abstract_canon_sha256":"1a67d13bcc9fbb15033831b8843d81a14e5ef6ac03bf93cf21ff9681d47aaf23"},"schema_version":"1.0"},"canonical_sha256":"a9d6610511c45d8285bd848aeb960b22cf2e9798952121f730c7e743d749867b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:01.205101Z","signature_b64":"TUfmX3nBuKEONX9HuDZ440KzisuHHIXYOVksCCYdq3QEymmk/3sPUbyFKETKbjTL5jcEd+qhhl2axPE8DOlQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9d6610511c45d8285bd848aeb960b22cf2e9798952121f730c7e743d749867b","last_reissued_at":"2026-05-18T02:11:01.204353Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:01.204353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.0002","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":"2026-05-18T02:11:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yw9iIZ6BEr6H516M+Sx6TPp58MNyABgNVMEloWsNjgH3yLqEdhTL2rBSrXD+iVoCewEkwwXQEi0Ty1TlyrKiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:19:55.370043Z"},"content_sha256":"b9d71534765522e5e1fa417c8e332650d4d22b9dd5613cb3350d3738cc4a38f7","schema_version":"1.0","event_id":"sha256:b9d71534765522e5e1fa417c8e332650d4d22b9dd5613cb3350d3738cc4a38f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:VHLGCBIRYROYFBN5QSFOXFQLEL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Australia Telescope 20 GHz Survey: The Source Catalogue","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(10) The University of Western Australia, (11) Raman Research Institute, (12) Manly Astrophysics), 2), (2) The University of Sydney, 3), (3) Australia Telescope National Facility, (4) INAF, (5) University of Calgary, 6), (6) Swinburne University of Technology, 7), (7) The University of New South Wales, 8), (8) SISSA/ISAS, (9) The University of Melbourne, Carole A. Jackson (3), Chris Phillips (3), Elaine M. Sadler (1), Elizabeth Mahony (1, Emma Lindley (1), Gianfranco De Zotti (4, Jennifer A. Ekers (3), Katherine Newton-McGee (1, Lister Staveley-Smith (10), Marcella Massardi (4), Mark A. Walker (12), Mark Calabretta (3), Michael J. Kesteven (3), Osservatorio Astronomico di Padova, Paul J. Hancock (1), Paul Roberts (3), Philip G. Edwards (3), Rajan Chhetri (3, Ravi Subrahmanyan (11), Robert J. Sault (9), Roberto Ricci (5), Ronald D. Ekers (3), Sarah Burke-Spolaor (3, Tara Murphy (1, Warwick E. Wilson (3) ((1) The University of Sydney","submitted_at":"2009-10-30T20:00:27Z","abstract_excerpt":"We present the full source catalogue from the Australia Telescope 20 GHz (AT20G) Survey. The AT20G is a blind radio survey carried out at 20 GHz with the Australia Telescope Compact Array (ATCA) from 2004 to 2008, and covers the whole sky south of declination 0 deg. The AT20G source catalogue presented here is an order of magnitude larger than any previous catalogue of high-frequency radio sources, and includes 5890 sources above a 20 GHz flux-density limit of 40 mJy. All AT20G sources have total intensity and polarisation measured at 20 GHz, and most sources south of declination -15 deg also "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0002","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":"2026-05-18T02:11:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v0zEpSebJK1rEIUQHHn5WL3235+lUCVheTfwBxQI8PjUhIiAqTeKma2HN5edgI1+o71UdPDqOHXn2GyzhTJYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T21:19:55.370396Z"},"content_sha256":"a5f6ffee462287563512618f57838975490e66d5990c427d4a0cfb1e19409bcd","schema_version":"1.0","event_id":"sha256:a5f6ffee462287563512618f57838975490e66d5990c427d4a0cfb1e19409bcd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VHLGCBIRYROYFBN5QSFOXFQLEL/bundle.json","state_url":"https://pith.science/pith/VHLGCBIRYROYFBN5QSFOXFQLEL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VHLGCBIRYROYFBN5QSFOXFQLEL/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":"2026-06-24T21:19:55Z","links":{"resolver":"https://pith.science/pith/VHLGCBIRYROYFBN5QSFOXFQLEL","bundle":"https://pith.science/pith/VHLGCBIRYROYFBN5QSFOXFQLEL/bundle.json","state":"https://pith.science/pith/VHLGCBIRYROYFBN5QSFOXFQLEL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VHLGCBIRYROYFBN5QSFOXFQLEL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:VHLGCBIRYROYFBN5QSFOXFQLEL","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":"1a67d13bcc9fbb15033831b8843d81a14e5ef6ac03bf93cf21ff9681d47aaf23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-30T20:00:27Z","title_canon_sha256":"b888314ee3f18accb940c6a08eed17977129ca52dc33931f55dda6e025bcf79e"},"schema_version":"1.0","source":{"id":"0911.0002","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.0002","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"arxiv_version","alias_value":"0911.0002v1","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0002","created_at":"2026-05-18T02:11:01Z"},{"alias_kind":"pith_short_12","alias_value":"VHLGCBIRYROY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VHLGCBIRYROYFBN5","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VHLGCBIR","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:a5f6ffee462287563512618f57838975490e66d5990c427d4a0cfb1e19409bcd","target":"graph","created_at":"2026-05-18T02:11:01Z","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 full source catalogue from the Australia Telescope 20 GHz (AT20G) Survey. The AT20G is a blind radio survey carried out at 20 GHz with the Australia Telescope Compact Array (ATCA) from 2004 to 2008, and covers the whole sky south of declination 0 deg. The AT20G source catalogue presented here is an order of magnitude larger than any previous catalogue of high-frequency radio sources, and includes 5890 sources above a 20 GHz flux-density limit of 40 mJy. All AT20G sources have total intensity and polarisation measured at 20 GHz, and most sources south of declination -15 deg also ","authors_text":"(10) The University of Western Australia, (11) Raman Research Institute, (12) Manly Astrophysics), 2), (2) The University of Sydney, 3), (3) Australia Telescope National Facility, (4) INAF, (5) University of Calgary, 6), (6) Swinburne University of Technology, 7), (7) The University of New South Wales, 8), (8) SISSA/ISAS, (9) The University of Melbourne, Carole A. Jackson (3), Chris Phillips (3), Elaine M. Sadler (1), Elizabeth Mahony (1, Emma Lindley (1), Gianfranco De Zotti (4, Jennifer A. Ekers (3), Katherine Newton-McGee (1, Lister Staveley-Smith (10), Marcella Massardi (4), Mark A. Walker (12), Mark Calabretta (3), Michael J. Kesteven (3), Osservatorio Astronomico di Padova, Paul J. Hancock (1), Paul Roberts (3), Philip G. Edwards (3), Rajan Chhetri (3, Ravi Subrahmanyan (11), Robert J. Sault (9), Roberto Ricci (5), Ronald D. Ekers (3), Sarah Burke-Spolaor (3, Tara Murphy (1, Warwick E. Wilson (3) ((1) The University of Sydney","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-30T20:00:27Z","title":"The Australia Telescope 20 GHz Survey: The Source Catalogue"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0002","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:b9d71534765522e5e1fa417c8e332650d4d22b9dd5613cb3350d3738cc4a38f7","target":"record","created_at":"2026-05-18T02:11:01Z","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":"1a67d13bcc9fbb15033831b8843d81a14e5ef6ac03bf93cf21ff9681d47aaf23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-10-30T20:00:27Z","title_canon_sha256":"b888314ee3f18accb940c6a08eed17977129ca52dc33931f55dda6e025bcf79e"},"schema_version":"1.0","source":{"id":"0911.0002","kind":"arxiv","version":1}},"canonical_sha256":"a9d6610511c45d8285bd848aeb960b22cf2e9798952121f730c7e743d749867b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9d6610511c45d8285bd848aeb960b22cf2e9798952121f730c7e743d749867b","first_computed_at":"2026-05-18T02:11:01.204353Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:01.204353Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TUfmX3nBuKEONX9HuDZ440KzisuHHIXYOVksCCYdq3QEymmk/3sPUbyFKETKbjTL5jcEd+qhhl2axPE8DOlQAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:01.205101Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.0002","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9d71534765522e5e1fa417c8e332650d4d22b9dd5613cb3350d3738cc4a38f7","sha256:a5f6ffee462287563512618f57838975490e66d5990c427d4a0cfb1e19409bcd"],"state_sha256":"1c5405b1e663067d84a44097b3695f278ab8c1f36cd4a2351b8fdece1b980c4c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ydmAbOqPIaLspVE0H302gqHeEkzkYOi6mcPI8lSGNcNvyRcIgt+R16tNupWbtRHg5XWSXm1CQXt/YGUs6J1uAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T21:19:55.372188Z","bundle_sha256":"b45898a13a43e849d6906a51ff2660e37384fb738bc1f01beebcfb5cdda2e5b8"}}