{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:KHPS7DTK4JUS37EFJIPLXHMOKF","short_pith_number":"pith:KHPS7DTK","canonical_record":{"source":{"id":"1403.2391","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-10T20:00:50Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"76f433b088742e57b470f24cf12eb79bdf8cfa51a0e37cbd1afec46450e2f7b4","abstract_canon_sha256":"1586fb486f520b43a4d473520b582c22665798a2f168f811ccd05307f14477e0"},"schema_version":"1.0"},"canonical_sha256":"51df2f8e6ae2692dfc854a1ebb9d8e5150f760cff17dce6192dd3a77edbb19c3","source":{"kind":"arxiv","id":"1403.2391","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2391","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2391v2","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2391","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"pith_short_12","alias_value":"KHPS7DTK4JUS","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KHPS7DTK4JUS37EF","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KHPS7DTK","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:KHPS7DTK4JUS37EFJIPLXHMOKF","target":"record","payload":{"canonical_record":{"source":{"id":"1403.2391","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-10T20:00:50Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"76f433b088742e57b470f24cf12eb79bdf8cfa51a0e37cbd1afec46450e2f7b4","abstract_canon_sha256":"1586fb486f520b43a4d473520b582c22665798a2f168f811ccd05307f14477e0"},"schema_version":"1.0"},"canonical_sha256":"51df2f8e6ae2692dfc854a1ebb9d8e5150f760cff17dce6192dd3a77edbb19c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:21.557884Z","signature_b64":"C9hLDr6xvCsCHqZDMQR//QkJK7VyUdaAbpeTTBDviLq9nKfqu4voJh/CvXvxdVJjLaSS9JYf1a01FY1bRW5HAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51df2f8e6ae2692dfc854a1ebb9d8e5150f760cff17dce6192dd3a77edbb19c3","last_reissued_at":"2026-05-18T01:31:21.557155Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:21.557155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.2391","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":"2026-05-18T01:31:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dcdY4dj0dvQq0/wcowMqS6C3OI5qrds2ViaEujjlAKA422Yr364RLgLIooFmPgyPZpJnhCtxIU74VuC9vxbOAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:22:12.379021Z"},"content_sha256":"48502b2d4eed28716ab9f35278f09c26db431a9e7dd65f97165ac0d314df5af5","schema_version":"1.0","event_id":"sha256:48502b2d4eed28716ab9f35278f09c26db431a9e7dd65f97165ac0d314df5af5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:KHPS7DTK4JUS37EFJIPLXHMOKF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Broadband Polarization Catalog of Extragalactic Radio Sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"B. M. Gaensler, E. Carretti, J. S. Farnes","submitted_at":"2014-03-10T20:00:50Z","abstract_excerpt":"An understanding of cosmic magnetism requires converting the polarization properties of extragalactic radio sources into the rest-frame in which the corresponding polarized emission or Faraday rotation is produced. Motivated by this requirement, we present a catalog of multiwavelength linear polarization and total intensity radio data for polarized sources from the NRAO VLA Sky Survey (NVSS). We cross-match these sources with a number of complementary measurements -- combining data from major radio polarization and total intensity surveys such as AT20G, B3-VLA, GB6, NORTH6CM, Texas, and WENSS,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2391","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":"2026-05-18T01:31:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qlvZgJjWAInuFO66Xz/N5Xef5vY3Skw0OD6FkRKk7xGHdTwXIToWb0k9DJz/orxK9HGmw08nJpF+dvoLGz/pDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:22:12.379393Z"},"content_sha256":"96fcdd9f70425150a5d51d4199c1837cfecbc99b3cba1e8ec886364cb6ae9890","schema_version":"1.0","event_id":"sha256:96fcdd9f70425150a5d51d4199c1837cfecbc99b3cba1e8ec886364cb6ae9890"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHPS7DTK4JUS37EFJIPLXHMOKF/bundle.json","state_url":"https://pith.science/pith/KHPS7DTK4JUS37EFJIPLXHMOKF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHPS7DTK4JUS37EFJIPLXHMOKF/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":"2026-05-20T08:22:12Z","links":{"resolver":"https://pith.science/pith/KHPS7DTK4JUS37EFJIPLXHMOKF","bundle":"https://pith.science/pith/KHPS7DTK4JUS37EFJIPLXHMOKF/bundle.json","state":"https://pith.science/pith/KHPS7DTK4JUS37EFJIPLXHMOKF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHPS7DTK4JUS37EFJIPLXHMOKF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KHPS7DTK4JUS37EFJIPLXHMOKF","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":"1586fb486f520b43a4d473520b582c22665798a2f168f811ccd05307f14477e0","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-10T20:00:50Z","title_canon_sha256":"76f433b088742e57b470f24cf12eb79bdf8cfa51a0e37cbd1afec46450e2f7b4"},"schema_version":"1.0","source":{"id":"1403.2391","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2391","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2391v2","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2391","created_at":"2026-05-18T01:31:21Z"},{"alias_kind":"pith_short_12","alias_value":"KHPS7DTK4JUS","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KHPS7DTK4JUS37EF","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KHPS7DTK","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:96fcdd9f70425150a5d51d4199c1837cfecbc99b3cba1e8ec886364cb6ae9890","target":"graph","created_at":"2026-05-18T01:31:21Z","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":"An understanding of cosmic magnetism requires converting the polarization properties of extragalactic radio sources into the rest-frame in which the corresponding polarized emission or Faraday rotation is produced. Motivated by this requirement, we present a catalog of multiwavelength linear polarization and total intensity radio data for polarized sources from the NRAO VLA Sky Survey (NVSS). We cross-match these sources with a number of complementary measurements -- combining data from major radio polarization and total intensity surveys such as AT20G, B3-VLA, GB6, NORTH6CM, Texas, and WENSS,","authors_text":"B. M. Gaensler, E. Carretti, J. S. Farnes","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-10T20:00:50Z","title":"A Broadband Polarization Catalog of Extragalactic Radio Sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2391","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":"sha256:48502b2d4eed28716ab9f35278f09c26db431a9e7dd65f97165ac0d314df5af5","target":"record","created_at":"2026-05-18T01:31:21Z","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":"1586fb486f520b43a4d473520b582c22665798a2f168f811ccd05307f14477e0","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-03-10T20:00:50Z","title_canon_sha256":"76f433b088742e57b470f24cf12eb79bdf8cfa51a0e37cbd1afec46450e2f7b4"},"schema_version":"1.0","source":{"id":"1403.2391","kind":"arxiv","version":2}},"canonical_sha256":"51df2f8e6ae2692dfc854a1ebb9d8e5150f760cff17dce6192dd3a77edbb19c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51df2f8e6ae2692dfc854a1ebb9d8e5150f760cff17dce6192dd3a77edbb19c3","first_computed_at":"2026-05-18T01:31:21.557155Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:21.557155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C9hLDr6xvCsCHqZDMQR//QkJK7VyUdaAbpeTTBDviLq9nKfqu4voJh/CvXvxdVJjLaSS9JYf1a01FY1bRW5HAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:21.557884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.2391","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48502b2d4eed28716ab9f35278f09c26db431a9e7dd65f97165ac0d314df5af5","sha256:96fcdd9f70425150a5d51d4199c1837cfecbc99b3cba1e8ec886364cb6ae9890"],"state_sha256":"82a51ba41434d29c89849963a8f621ff1c1162ee110b50e20816cfd599641c2b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDj1hvY4vV56C/JhEJ9KzQoori5R+IJx+7WuSopFU1Yytk3oEsizAXOmkukw10CcB/l7HgwJkfCAp5pWjne0AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T08:22:12.381326Z","bundle_sha256":"239ea141d86206d059a907beb8969e5345b9fced1ce63072a5688284558508b2"}}