{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:SOQZHOEW4Z4D3SA6UF5Z3OJOQZ","short_pith_number":"pith:SOQZHOEW","canonical_record":{"source":{"id":"2008.05276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-08-12T12:54:26Z","cross_cats_sorted":[],"title_canon_sha256":"10fb1e2ce307265c2c17cce45bb9c2a6104106cbd3c1853737743ed89920fea2","abstract_canon_sha256":"91dbbf45da9592dadfd67826987903ac4fcfafc1d50e98af984b1196f54caf92"},"schema_version":"1.0"},"canonical_sha256":"93a193b896e6783dc81ea17b9db92e86423329656f60743050c8ebf7cdc043ce","source":{"kind":"arxiv","id":"2008.05276","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.05276","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"arxiv_version","alias_value":"2008.05276v1","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.05276","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"pith_short_12","alias_value":"SOQZHOEW4Z4D","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"pith_short_16","alias_value":"SOQZHOEW4Z4D3SA6","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"pith_short_8","alias_value":"SOQZHOEW","created_at":"2026-07-05T01:26:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:SOQZHOEW4Z4D3SA6UF5Z3OJOQZ","target":"record","payload":{"canonical_record":{"source":{"id":"2008.05276","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-08-12T12:54:26Z","cross_cats_sorted":[],"title_canon_sha256":"10fb1e2ce307265c2c17cce45bb9c2a6104106cbd3c1853737743ed89920fea2","abstract_canon_sha256":"91dbbf45da9592dadfd67826987903ac4fcfafc1d50e98af984b1196f54caf92"},"schema_version":"1.0"},"canonical_sha256":"93a193b896e6783dc81ea17b9db92e86423329656f60743050c8ebf7cdc043ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:26:45.231564Z","signature_b64":"aXKVqsck+Ty+oa8vxz3wzhaDkx36AkLTzaOR5UxGDvbdgfIAjQ1sEudjqky226v2A/8G2HEFaN3vldw1Q1HfDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93a193b896e6783dc81ea17b9db92e86423329656f60743050c8ebf7cdc043ce","last_reissued_at":"2026-07-05T01:26:45.231172Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:26:45.231172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.05276","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":"2026-07-05T01:26:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"keYu2UxYLVKuvpSJvY1TQqZXEyZj5NXLkyb7XUXvBnICVF47ydvEFRNpmlbuC1JEaSviFbx3/TdgFz6+h//tAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:55:25.261269Z"},"content_sha256":"f2c90ff22087aa72970b759e4952c02dda7d46aae82972c986113bcd84adca6d","schema_version":"1.0","event_id":"sha256:f2c90ff22087aa72970b759e4952c02dda7d46aae82972c986113bcd84adca6d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:SOQZHOEW4Z4D3SA6UF5Z3OJOQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimal Probabilistic Catalogue Matching for Radio Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Amitabh Basu, Dongwei Fan, Ray P. Norris, Tam\\'as Budav\\'ari","submitted_at":"2020-08-12T12:54:26Z","abstract_excerpt":"Cross-matching catalogues from radio surveys to catalogues of sources at other wavelengths is extremely hard, because radio sources are often extended, often consist of several spatially separated components, and often no radio component is coincident with the optical/infrared host galaxy. Traditionally, the cross-matching is done by eye, but this does not scale to the millions of radio sources expected from the next generation of radio surveys. We present an innovative automated procedure, using Bayesian hypothesis testing, that models trial radio-source morphologies with putative positions o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.05276","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/2008.05276/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":"2026-07-05T01:26:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t3VKql8xIUZvFeyUSRGA3Hnk+q0gINnMo+vAUts7UHqGlbsEyicBYPhBu8D7vQofRsLiA4hIbukJqfJbE2fBDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:55:25.262373Z"},"content_sha256":"6fdfa80e6538f99a8ee076553c88916434de1a8cc27f7186df37054e86743224","schema_version":"1.0","event_id":"sha256:6fdfa80e6538f99a8ee076553c88916434de1a8cc27f7186df37054e86743224"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ/bundle.json","state_url":"https://pith.science/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ/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":"2026-08-03T17:55:25Z","links":{"resolver":"https://pith.science/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ","bundle":"https://pith.science/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ/bundle.json","state":"https://pith.science/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SOQZHOEW4Z4D3SA6UF5Z3OJOQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:SOQZHOEW4Z4D3SA6UF5Z3OJOQZ","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":"91dbbf45da9592dadfd67826987903ac4fcfafc1d50e98af984b1196f54caf92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-08-12T12:54:26Z","title_canon_sha256":"10fb1e2ce307265c2c17cce45bb9c2a6104106cbd3c1853737743ed89920fea2"},"schema_version":"1.0","source":{"id":"2008.05276","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.05276","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"arxiv_version","alias_value":"2008.05276v1","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.05276","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"pith_short_12","alias_value":"SOQZHOEW4Z4D","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"pith_short_16","alias_value":"SOQZHOEW4Z4D3SA6","created_at":"2026-07-05T01:26:45Z"},{"alias_kind":"pith_short_8","alias_value":"SOQZHOEW","created_at":"2026-07-05T01:26:45Z"}],"graph_snapshots":[{"event_id":"sha256:6fdfa80e6538f99a8ee076553c88916434de1a8cc27f7186df37054e86743224","target":"graph","created_at":"2026-07-05T01:26:45Z","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/2008.05276/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cross-matching catalogues from radio surveys to catalogues of sources at other wavelengths is extremely hard, because radio sources are often extended, often consist of several spatially separated components, and often no radio component is coincident with the optical/infrared host galaxy. Traditionally, the cross-matching is done by eye, but this does not scale to the millions of radio sources expected from the next generation of radio surveys. We present an innovative automated procedure, using Bayesian hypothesis testing, that models trial radio-source morphologies with putative positions o","authors_text":"Amitabh Basu, Dongwei Fan, Ray P. Norris, Tam\\'as Budav\\'ari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-08-12T12:54:26Z","title":"Optimal Probabilistic Catalogue Matching for Radio Sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.05276","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:f2c90ff22087aa72970b759e4952c02dda7d46aae82972c986113bcd84adca6d","target":"record","created_at":"2026-07-05T01:26:45Z","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":"91dbbf45da9592dadfd67826987903ac4fcfafc1d50e98af984b1196f54caf92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2020-08-12T12:54:26Z","title_canon_sha256":"10fb1e2ce307265c2c17cce45bb9c2a6104106cbd3c1853737743ed89920fea2"},"schema_version":"1.0","source":{"id":"2008.05276","kind":"arxiv","version":1}},"canonical_sha256":"93a193b896e6783dc81ea17b9db92e86423329656f60743050c8ebf7cdc043ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93a193b896e6783dc81ea17b9db92e86423329656f60743050c8ebf7cdc043ce","first_computed_at":"2026-07-05T01:26:45.231172Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:26:45.231172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aXKVqsck+Ty+oa8vxz3wzhaDkx36AkLTzaOR5UxGDvbdgfIAjQ1sEudjqky226v2A/8G2HEFaN3vldw1Q1HfDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:26:45.231564Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.05276","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2c90ff22087aa72970b759e4952c02dda7d46aae82972c986113bcd84adca6d","sha256:6fdfa80e6538f99a8ee076553c88916434de1a8cc27f7186df37054e86743224"],"state_sha256":"1853a0ae7006ec26e00ebdb5b6a94ff83cc623d9d9267473fa12ad1e5520d259"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fyn6TwvC4l3FtEUrekMF7y3CnGGx5oDyd+2eD3Ilz4CCi+e+cNn/bwu05S2xff7ec2ihjqY7xEeT1u9tV93jBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:55:25.270277Z","bundle_sha256":"0f2cb9d4294414eafb0f48fb093205fc3f253723522815dc3d74521b1bd2c6ba"}}