{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZKACWCZTPG7PRYLRJFGBBV67U5","short_pith_number":"pith:ZKACWCZT","canonical_record":{"source":{"id":"1101.0225","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-31T09:35:30Z","cross_cats_sorted":[],"title_canon_sha256":"8bb6fdeed1d7b2acc650f57142fb25f91aca32effbc4a6788d7a024b7e90a8c4","abstract_canon_sha256":"1a05820a3dec7461feb0a34d128607d5f930e550dd2601b378c082219f28bfa7"},"schema_version":"1.0"},"canonical_sha256":"ca802b0b3379bef8e171494c10d7dfa7553e38621e5d59cd10e4145b722d74e4","source":{"kind":"arxiv","id":"1101.0225","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.0225","created_at":"2026-05-18T02:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1101.0225v2","created_at":"2026-05-18T02:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0225","created_at":"2026-05-18T02:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"ZKACWCZTPG7P","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZKACWCZTPG7PRYLR","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZKACWCZT","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZKACWCZTPG7PRYLRJFGBBV67U5","target":"record","payload":{"canonical_record":{"source":{"id":"1101.0225","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-31T09:35:30Z","cross_cats_sorted":[],"title_canon_sha256":"8bb6fdeed1d7b2acc650f57142fb25f91aca32effbc4a6788d7a024b7e90a8c4","abstract_canon_sha256":"1a05820a3dec7461feb0a34d128607d5f930e550dd2601b378c082219f28bfa7"},"schema_version":"1.0"},"canonical_sha256":"ca802b0b3379bef8e171494c10d7dfa7553e38621e5d59cd10e4145b722d74e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:16.237280Z","signature_b64":"kQIhONdC8MjcxKe7u13qYzrCGtZIWGhDbQU3WNFbEETSw0SaMzcJcbCPUnEXxCtBoeSbnuTpISZm3sLAEOxeDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca802b0b3379bef8e171494c10d7dfa7553e38621e5d59cd10e4145b722d74e4","last_reissued_at":"2026-05-18T02:04:16.236699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:16.236699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.0225","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":"2026-05-18T02:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ccwH5TV+ORuYjTiY20g+R/HYjijOCgcfeSxlF/rbCu5pX9QsgPOSt5JkoqjtF6xHTOwYlBVg8WYoSrgc2UutDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:12:03.395138Z"},"content_sha256":"3e25e64947e4f2ead1052f46b930632395bf0286f265d4026adf2a2a13145e8a","schema_version":"1.0","event_id":"sha256:3e25e64947e4f2ead1052f46b930632395bf0286f265d4026adf2a2a13145e8a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZKACWCZTPG7PRYLRJFGBBV67U5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Planck-ATCA Co-eval Observations (PACO) project: the bright sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anna Bonaldi, Gianfranco De Zotti, Laura Bonavera, Marcella Massardi, Marcos L\\'opez-Caniego, Ronald D. Ekers","submitted_at":"2010-12-31T09:35:30Z","abstract_excerpt":"The Planck-ATCA Co-eval Observations (PACO) have provided flux density measurements of well defined samples of AT20G radio sources at frequencies below and overlapping with Planck frequency bands, almost simultaneously with Planck observations. We have observed with the Australia Telescope Compact Array (ATCA) a total of 482 sources in the frequency range between 4.5 and 40 GHz in the period between July 2009 and August 2010. Several sources were observed more than once. In this paper we present the aims of the project, the selection criteria, and the observation and data reduction procedures."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0225","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":"2026-05-18T02:04:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zYEb4iyo+93iuSEeoZBlAxwjtyAXoQvETtTdlI6FSqj/eonhXcs15YrYgyqUwB/w/uhEItqy/SUKT/9L37irAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:12:03.395835Z"},"content_sha256":"04e3fb323711a480b3c6fa732be81c69f8ba0de35c6854df635f065226a0bd80","schema_version":"1.0","event_id":"sha256:04e3fb323711a480b3c6fa732be81c69f8ba0de35c6854df635f065226a0bd80"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZKACWCZTPG7PRYLRJFGBBV67U5/bundle.json","state_url":"https://pith.science/pith/ZKACWCZTPG7PRYLRJFGBBV67U5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZKACWCZTPG7PRYLRJFGBBV67U5/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":"2026-05-28T20:12:03Z","links":{"resolver":"https://pith.science/pith/ZKACWCZTPG7PRYLRJFGBBV67U5","bundle":"https://pith.science/pith/ZKACWCZTPG7PRYLRJFGBBV67U5/bundle.json","state":"https://pith.science/pith/ZKACWCZTPG7PRYLRJFGBBV67U5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZKACWCZTPG7PRYLRJFGBBV67U5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZKACWCZTPG7PRYLRJFGBBV67U5","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":"1a05820a3dec7461feb0a34d128607d5f930e550dd2601b378c082219f28bfa7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-31T09:35:30Z","title_canon_sha256":"8bb6fdeed1d7b2acc650f57142fb25f91aca32effbc4a6788d7a024b7e90a8c4"},"schema_version":"1.0","source":{"id":"1101.0225","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.0225","created_at":"2026-05-18T02:04:16Z"},{"alias_kind":"arxiv_version","alias_value":"1101.0225v2","created_at":"2026-05-18T02:04:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0225","created_at":"2026-05-18T02:04:16Z"},{"alias_kind":"pith_short_12","alias_value":"ZKACWCZTPG7P","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZKACWCZTPG7PRYLR","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZKACWCZT","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:04e3fb323711a480b3c6fa732be81c69f8ba0de35c6854df635f065226a0bd80","target":"graph","created_at":"2026-05-18T02:04:16Z","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 Planck-ATCA Co-eval Observations (PACO) have provided flux density measurements of well defined samples of AT20G radio sources at frequencies below and overlapping with Planck frequency bands, almost simultaneously with Planck observations. We have observed with the Australia Telescope Compact Array (ATCA) a total of 482 sources in the frequency range between 4.5 and 40 GHz in the period between July 2009 and August 2010. Several sources were observed more than once. In this paper we present the aims of the project, the selection criteria, and the observation and data reduction procedures.","authors_text":"Anna Bonaldi, Gianfranco De Zotti, Laura Bonavera, Marcella Massardi, Marcos L\\'opez-Caniego, Ronald D. Ekers","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-31T09:35:30Z","title":"The Planck-ATCA Co-eval Observations (PACO) project: the bright sample"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0225","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":"sha256:3e25e64947e4f2ead1052f46b930632395bf0286f265d4026adf2a2a13145e8a","target":"record","created_at":"2026-05-18T02:04:16Z","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":"1a05820a3dec7461feb0a34d128607d5f930e550dd2601b378c082219f28bfa7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-31T09:35:30Z","title_canon_sha256":"8bb6fdeed1d7b2acc650f57142fb25f91aca32effbc4a6788d7a024b7e90a8c4"},"schema_version":"1.0","source":{"id":"1101.0225","kind":"arxiv","version":2}},"canonical_sha256":"ca802b0b3379bef8e171494c10d7dfa7553e38621e5d59cd10e4145b722d74e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca802b0b3379bef8e171494c10d7dfa7553e38621e5d59cd10e4145b722d74e4","first_computed_at":"2026-05-18T02:04:16.236699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:16.236699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kQIhONdC8MjcxKe7u13qYzrCGtZIWGhDbQU3WNFbEETSw0SaMzcJcbCPUnEXxCtBoeSbnuTpISZm3sLAEOxeDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:16.237280Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.0225","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e25e64947e4f2ead1052f46b930632395bf0286f265d4026adf2a2a13145e8a","sha256:04e3fb323711a480b3c6fa732be81c69f8ba0de35c6854df635f065226a0bd80"],"state_sha256":"107dee6129e9d626d1b44f4591f13c37f682ba2994a449e74edad07c530526ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iCtrKodBvu4+P1oc0jxi4i9cbdDjeWQw/tZ4/V8Yh+8d4EEHSxvb7kIRT+9iDv+rv+otMA78dcbikmKin+g0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:12:03.399825Z","bundle_sha256":"e893c2adce42d53e7f6b3a69474654d3187193f12da3308e563909875e76321c"}}