{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:U5EMORN76GB3REYRINXN3FA3PV","short_pith_number":"pith:U5EMORN7","canonical_record":{"source":{"id":"1010.5942","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-28T12:37:16Z","cross_cats_sorted":[],"title_canon_sha256":"f35e78f1d9117a8ea45460ffcf4d721ad8fa5bb3cb1dd8c2c712ad6862fe82b5","abstract_canon_sha256":"7fde2d188911ba45c0cdd56d116c8dd330dbeb6c6465ea3e56eed5f5cd4137a9"},"schema_version":"1.0"},"canonical_sha256":"a748c745bff183b89311436edd941b7d5c536d18320fbc82af0971f0c79a7bb4","source":{"kind":"arxiv","id":"1010.5942","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5942","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5942v2","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5942","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"U5EMORN76GB3","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U5EMORN76GB3REYR","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U5EMORN7","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:U5EMORN76GB3REYRINXN3FA3PV","target":"record","payload":{"canonical_record":{"source":{"id":"1010.5942","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-28T12:37:16Z","cross_cats_sorted":[],"title_canon_sha256":"f35e78f1d9117a8ea45460ffcf4d721ad8fa5bb3cb1dd8c2c712ad6862fe82b5","abstract_canon_sha256":"7fde2d188911ba45c0cdd56d116c8dd330dbeb6c6465ea3e56eed5f5cd4137a9"},"schema_version":"1.0"},"canonical_sha256":"a748c745bff183b89311436edd941b7d5c536d18320fbc82af0971f0c79a7bb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:55.332774Z","signature_b64":"9irptahNxdxs8xf84W+fMrjetbStP6hM6+qYnZwTBzNul3pIbRv+MmW3/YPgHztLG3cdEofODJBxs5C6miJaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a748c745bff183b89311436edd941b7d5c536d18320fbc82af0971f0c79a7bb4","last_reissued_at":"2026-05-18T02:04:55.332106Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:55.332106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.5942","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":"2026-05-18T02:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aoSzPmb4rSmi++Rh31/GToqniX9x06dAOzqKHBEw7qhPFdIWd5tRl6czJMNJB5b41eXrYxtmB10OL7fbgO2iAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:17:43.361585Z"},"content_sha256":"a2b1fb1dbb16acb8abb9e60ee8c5843da035bc82d1b3b6e652e78c564ddacda4","schema_version":"1.0","event_id":"sha256:a2b1fb1dbb16acb8abb9e60ee8c5843da035bc82d1b3b6e652e78c564ddacda4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:U5EMORN76GB3REYRINXN3FA3PV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Australia Telescope 20GHz (AT20G) Survey: analysis of the extragalactic source sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Carole A. Jackson, Chris Phillips, Elaine M. Sadler, Elizabeth Mahony, Gianfranco De Zotti, Jennifer A. Ekers, Katherine Newton-McGee, Lister Staveley-Smith, Marcella Massardi, Mark A. Walker, Mark Calabretta, Michael J. Kesteven, Paul J. Hancock, Paul Roberts, Philip G. Edwards, Rajan Chhetri, Ravi Subrahmanyan, Robert J. Sault, Roberto Ricci, Ronald D. Ekers, Sarah Burke-Spolaor, Tara Murphy, Warwick E. Wilson","submitted_at":"2010-10-28T12:37:16Z","abstract_excerpt":"The Australia Telescope 20 GHz (AT20G) survey is a blind survey of the whole Southern sky at 20 GHz with follow-up observations at 4.8, 8.6, and 20 GHz carried out with the Australia Telescope Compact Array (ATCA). In this paper we present an analysis of radio spectral properties in total intensity and polarisation, sizes, optical identifications, and redshifts of the sample of the 5808 extragalactic sources in the survey catalogue of confirmed sources over the whole Southern sky excluding the strip at Galactic latitude |b|<1.5deg. The sample has a flux density limit of 40 mJy. Completeness ha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5942","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":""},"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":"2026-05-18T02:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OskNfftcaPvRwjJZiVBE4ivadgEjp51JeUzucVxwN3NEkMyrmDZ+MaGpsOYgaOd2drpZDUiC2235hhHb901nCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:17:43.362394Z"},"content_sha256":"55bab62d7a89c8bb19e9927603296614bffea75ec2aed0e8b3d308543d0544fe","schema_version":"1.0","event_id":"sha256:55bab62d7a89c8bb19e9927603296614bffea75ec2aed0e8b3d308543d0544fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U5EMORN76GB3REYRINXN3FA3PV/bundle.json","state_url":"https://pith.science/pith/U5EMORN76GB3REYRINXN3FA3PV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U5EMORN76GB3REYRINXN3FA3PV/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":"2026-05-31T05:17:43Z","links":{"resolver":"https://pith.science/pith/U5EMORN76GB3REYRINXN3FA3PV","bundle":"https://pith.science/pith/U5EMORN76GB3REYRINXN3FA3PV/bundle.json","state":"https://pith.science/pith/U5EMORN76GB3REYRINXN3FA3PV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U5EMORN76GB3REYRINXN3FA3PV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:U5EMORN76GB3REYRINXN3FA3PV","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":"7fde2d188911ba45c0cdd56d116c8dd330dbeb6c6465ea3e56eed5f5cd4137a9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-28T12:37:16Z","title_canon_sha256":"f35e78f1d9117a8ea45460ffcf4d721ad8fa5bb3cb1dd8c2c712ad6862fe82b5"},"schema_version":"1.0","source":{"id":"1010.5942","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.5942","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"1010.5942v2","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.5942","created_at":"2026-05-18T02:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"U5EMORN76GB3","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"U5EMORN76GB3REYR","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"U5EMORN7","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:55bab62d7a89c8bb19e9927603296614bffea75ec2aed0e8b3d308543d0544fe","target":"graph","created_at":"2026-05-18T02:04:55Z","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":"The Australia Telescope 20 GHz (AT20G) survey is a blind survey of the whole Southern sky at 20 GHz with follow-up observations at 4.8, 8.6, and 20 GHz carried out with the Australia Telescope Compact Array (ATCA). In this paper we present an analysis of radio spectral properties in total intensity and polarisation, sizes, optical identifications, and redshifts of the sample of the 5808 extragalactic sources in the survey catalogue of confirmed sources over the whole Southern sky excluding the strip at Galactic latitude |b|<1.5deg. The sample has a flux density limit of 40 mJy. Completeness ha","authors_text":"Carole A. Jackson, Chris Phillips, Elaine M. Sadler, Elizabeth Mahony, Gianfranco De Zotti, Jennifer A. Ekers, Katherine Newton-McGee, Lister Staveley-Smith, Marcella Massardi, Mark A. Walker, Mark Calabretta, Michael J. Kesteven, Paul J. Hancock, Paul Roberts, Philip G. Edwards, Rajan Chhetri, Ravi Subrahmanyan, Robert J. Sault, Roberto Ricci, Ronald D. Ekers, Sarah Burke-Spolaor, Tara Murphy, Warwick E. Wilson","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-28T12:37:16Z","title":"The Australia Telescope 20GHz (AT20G) Survey: analysis of the extragalactic source sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.5942","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:a2b1fb1dbb16acb8abb9e60ee8c5843da035bc82d1b3b6e652e78c564ddacda4","target":"record","created_at":"2026-05-18T02:04:55Z","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":"7fde2d188911ba45c0cdd56d116c8dd330dbeb6c6465ea3e56eed5f5cd4137a9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-10-28T12:37:16Z","title_canon_sha256":"f35e78f1d9117a8ea45460ffcf4d721ad8fa5bb3cb1dd8c2c712ad6862fe82b5"},"schema_version":"1.0","source":{"id":"1010.5942","kind":"arxiv","version":2}},"canonical_sha256":"a748c745bff183b89311436edd941b7d5c536d18320fbc82af0971f0c79a7bb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a748c745bff183b89311436edd941b7d5c536d18320fbc82af0971f0c79a7bb4","first_computed_at":"2026-05-18T02:04:55.332106Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:55.332106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9irptahNxdxs8xf84W+fMrjetbStP6hM6+qYnZwTBzNul3pIbRv+MmW3/YPgHztLG3cdEofODJBxs5C6miJaBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:55.332774Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.5942","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2b1fb1dbb16acb8abb9e60ee8c5843da035bc82d1b3b6e652e78c564ddacda4","sha256:55bab62d7a89c8bb19e9927603296614bffea75ec2aed0e8b3d308543d0544fe"],"state_sha256":"0b2e330223103a817ad4ecb188bf01fdb347b15710ef29e49f4f271751b35194"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ttvTP63DlLtqj6c0H8S0qbWBzDQSa5YLYJro0ttVBe8iLPQTS/LsptOKeUfmV3UKnFlVF3JO/VC+IvuRy4LhCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:17:43.366191Z","bundle_sha256":"3e2c35b3cd3013bbbd4cd879a299bc95d9d3d66168762663c0cc66d84dd019b0"}}