{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:W3J74J3ZFNWIVJ2GO6567S2L65","short_pith_number":"pith:W3J74J3Z","canonical_record":{"source":{"id":"2012.00747","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-01T04:36:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9f13a39fce6b6ea7ec13a33675232081d3d26973ac5c431288943e0e78be36df","abstract_canon_sha256":"ce51665ef013f962d04f2e7efabcb18ba33af0e7c2630cc9f6c06f488d3317ab"},"schema_version":"1.0"},"canonical_sha256":"b6d3fe27792b6c8aa74677bbefcb4bf75be5eee6bf316ac749620cb39946f0f7","source":{"kind":"arxiv","id":"2012.00747","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00747","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00747v1","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00747","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"pith_short_12","alias_value":"W3J74J3ZFNWI","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"pith_short_16","alias_value":"W3J74J3ZFNWIVJ2G","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"pith_short_8","alias_value":"W3J74J3Z","created_at":"2026-07-05T01:56:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:W3J74J3ZFNWIVJ2GO6567S2L65","target":"record","payload":{"canonical_record":{"source":{"id":"2012.00747","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-01T04:36:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9f13a39fce6b6ea7ec13a33675232081d3d26973ac5c431288943e0e78be36df","abstract_canon_sha256":"ce51665ef013f962d04f2e7efabcb18ba33af0e7c2630cc9f6c06f488d3317ab"},"schema_version":"1.0"},"canonical_sha256":"b6d3fe27792b6c8aa74677bbefcb4bf75be5eee6bf316ac749620cb39946f0f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:56:20.247438Z","signature_b64":"hwGM7/pR87aZwNe5/UchfCNc0av2zCkc/dm69k3rUNkJ1zkbEyXyDV8PhBog/dumdUdb7EONZdKHku3bnt5wBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6d3fe27792b6c8aa74677bbefcb4bf75be5eee6bf316ac749620cb39946f0f7","last_reissued_at":"2026-07-05T01:56:20.246935Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:56:20.246935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.00747","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":"2026-07-05T01:56:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cmtAX97DhOa7n8F/RAyXKq04ypqIj/h6qRa7hW9E1+Dac0Cgv/djS6IdhxopfCVLonl+wPVfWmtiRxpNog86AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:47:28.661984Z"},"content_sha256":"a6a6f32ee8c196cf0d9b66dc696b2a79cc36373b01353d1e2ebad7ab2cb3c8b5","schema_version":"1.0","event_id":"sha256:a6a6f32ee8c196cf0d9b66dc696b2a79cc36373b01353d1e2ebad7ab2cb3c8b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:W3J74J3ZFNWIVJ2GO6567S2L65","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Rapid ASKAP Continuum Survey I: Design and First Results","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.IM","authors_text":"Adam Stewart, Alan Ng, Alec J. M. Thomson, Andrew O'Brien, Antony E.T. Schinckel, A. P. Chippendale, A. Tzioumis, A.W. Hotan, B\\\"arbel S. Koribalski, C. A. Jackson, C. Anderson, Chenoa Tremblay, Chris Phillips, C. L. Hale, Daniel N. Roxby, D. McConnell, Douglas B. Hayman, Douglas C.-J. Bock, Elaine M. Sadler, E. Lenc, F. R. Cooray, George Heald, Ian Heywood, James K. Leung, James R. Allison, J. D. Bunton, J. D. Collier, J. K. Banfield, John E. Reynolds, Joshua Pritchard, Karen Lee-Waddell, Keith W. Bannister, Lewis Ball, Martin Bell, Matt Shields, M.A. Voronkov, M. Whiting, N. Gupta, N. M. McClure-Griffiths, P. G. Edwards, P.J. Diamond, Ray P. Norris, Russ Bolton, S.W. Amy, Tara Murphy, T.J. Cornwell, Tobias Westmeier, Vanessa A. Moss, Wasim Raja","submitted_at":"2020-12-01T04:36:02Z","abstract_excerpt":"The Rapid ASKAP Continuum Survey (RACS) is the first large-area survey to be conducted with the full 36-antenna Australian Square Kilometre Array Pathfinder (ASKAP) telescope. RACS will provide a shallow model of the ASKAP sky that will aid the calibration of future deep ASKAP surveys. RACS will cover the whole sky visible from the ASKAP site in Western Australia, and will cover the full ASKAP band of $700-1800$ MHz. The RACS images are generally deeper than the existing NRAO VLA Sky Survey (NVSS) and Sydney University Molonglo Sky Survey (SUMSS) radio surveys and have better spatial resolutio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00747","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/2012.00747/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":"2026-07-05T01:56:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fbr17EsCrTzCahn3E8GS2FDnBp716vmCb3eGxPrUgtgQGiLNwPe1VUGEaNiHcUXF6vDGpY3SDM+0dnQfNcF9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:47:28.662544Z"},"content_sha256":"5833291a6a3140d75d3ca114997b2d88bcc99d14642e3ed0d447c31099085e71","schema_version":"1.0","event_id":"sha256:5833291a6a3140d75d3ca114997b2d88bcc99d14642e3ed0d447c31099085e71"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W3J74J3ZFNWIVJ2GO6567S2L65/bundle.json","state_url":"https://pith.science/pith/W3J74J3ZFNWIVJ2GO6567S2L65/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W3J74J3ZFNWIVJ2GO6567S2L65/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":"2026-08-03T16:47:28Z","links":{"resolver":"https://pith.science/pith/W3J74J3ZFNWIVJ2GO6567S2L65","bundle":"https://pith.science/pith/W3J74J3ZFNWIVJ2GO6567S2L65/bundle.json","state":"https://pith.science/pith/W3J74J3ZFNWIVJ2GO6567S2L65/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W3J74J3ZFNWIVJ2GO6567S2L65/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:W3J74J3ZFNWIVJ2GO6567S2L65","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":"ce51665ef013f962d04f2e7efabcb18ba33af0e7c2630cc9f6c06f488d3317ab","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-01T04:36:02Z","title_canon_sha256":"9f13a39fce6b6ea7ec13a33675232081d3d26973ac5c431288943e0e78be36df"},"schema_version":"1.0","source":{"id":"2012.00747","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.00747","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"arxiv_version","alias_value":"2012.00747v1","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.00747","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"pith_short_12","alias_value":"W3J74J3ZFNWI","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"pith_short_16","alias_value":"W3J74J3ZFNWIVJ2G","created_at":"2026-07-05T01:56:20Z"},{"alias_kind":"pith_short_8","alias_value":"W3J74J3Z","created_at":"2026-07-05T01:56:20Z"}],"graph_snapshots":[{"event_id":"sha256:5833291a6a3140d75d3ca114997b2d88bcc99d14642e3ed0d447c31099085e71","target":"graph","created_at":"2026-07-05T01:56:20Z","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/2012.00747/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Rapid ASKAP Continuum Survey (RACS) is the first large-area survey to be conducted with the full 36-antenna Australian Square Kilometre Array Pathfinder (ASKAP) telescope. RACS will provide a shallow model of the ASKAP sky that will aid the calibration of future deep ASKAP surveys. RACS will cover the whole sky visible from the ASKAP site in Western Australia, and will cover the full ASKAP band of $700-1800$ MHz. The RACS images are generally deeper than the existing NRAO VLA Sky Survey (NVSS) and Sydney University Molonglo Sky Survey (SUMSS) radio surveys and have better spatial resolutio","authors_text":"Adam Stewart, Alan Ng, Alec J. M. Thomson, Andrew O'Brien, Antony E.T. Schinckel, A. P. Chippendale, A. Tzioumis, A.W. Hotan, B\\\"arbel S. Koribalski, C. A. Jackson, C. Anderson, Chenoa Tremblay, Chris Phillips, C. L. Hale, Daniel N. Roxby, D. McConnell, Douglas B. Hayman, Douglas C.-J. Bock, Elaine M. Sadler, E. Lenc, F. R. Cooray, George Heald, Ian Heywood, James K. Leung, James R. Allison, J. D. Bunton, J. D. Collier, J. K. Banfield, John E. Reynolds, Joshua Pritchard, Karen Lee-Waddell, Keith W. Bannister, Lewis Ball, Martin Bell, Matt Shields, M.A. Voronkov, M. Whiting, N. Gupta, N. M. McClure-Griffiths, P. G. Edwards, P.J. Diamond, Ray P. Norris, Russ Bolton, S.W. Amy, Tara Murphy, T.J. Cornwell, Tobias Westmeier, Vanessa A. Moss, Wasim Raja","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-01T04:36:02Z","title":"The Rapid ASKAP Continuum Survey I: Design and First Results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.00747","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:a6a6f32ee8c196cf0d9b66dc696b2a79cc36373b01353d1e2ebad7ab2cb3c8b5","target":"record","created_at":"2026-07-05T01:56:20Z","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":"ce51665ef013f962d04f2e7efabcb18ba33af0e7c2630cc9f6c06f488d3317ab","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-12-01T04:36:02Z","title_canon_sha256":"9f13a39fce6b6ea7ec13a33675232081d3d26973ac5c431288943e0e78be36df"},"schema_version":"1.0","source":{"id":"2012.00747","kind":"arxiv","version":1}},"canonical_sha256":"b6d3fe27792b6c8aa74677bbefcb4bf75be5eee6bf316ac749620cb39946f0f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6d3fe27792b6c8aa74677bbefcb4bf75be5eee6bf316ac749620cb39946f0f7","first_computed_at":"2026-07-05T01:56:20.246935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:56:20.246935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hwGM7/pR87aZwNe5/UchfCNc0av2zCkc/dm69k3rUNkJ1zkbEyXyDV8PhBog/dumdUdb7EONZdKHku3bnt5wBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:56:20.247438Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.00747","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6a6f32ee8c196cf0d9b66dc696b2a79cc36373b01353d1e2ebad7ab2cb3c8b5","sha256:5833291a6a3140d75d3ca114997b2d88bcc99d14642e3ed0d447c31099085e71"],"state_sha256":"8ef0cd0af37bad092405a8ab9a096e2d1baa282d07f08b136c04607e1ae6d4de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZwSRdSUIJWAtl2VKhLKX99A2mcr8T7DSUEixge/+SubQHCaNJDKFlH91iKFvjIun+RLDUVhiTlQ8Yj5Y+54cDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:47:28.667313Z","bundle_sha256":"a8806ca83a47a5e10430cfe0091c9a2742ff921840bd6737162975494d0e21f8"}}