{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Z23L4HE2W3WS37TAPNTRAOKB22","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":"529e66017a0f6ab4bf08ec3501739a68b40a47bbf2fb88d4745765381c67f449","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-25T21:08:18Z","title_canon_sha256":"70c45daa33c0d8ced48f168c57ba65ccc27c3797e8ee336eb81705d67285cfc2"},"schema_version":"1.0","source":{"id":"1408.5931","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5931","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5931v1","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5931","created_at":"2026-05-18T01:42:13Z"},{"alias_kind":"pith_short_12","alias_value":"Z23L4HE2W3WS","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z23L4HE2W3WS37TA","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z23L4HE2","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:6947961a2574848aaa0e6a2625f1ac66eca63b7f8eb15a0cc64c4bd562701354","target":"graph","created_at":"2026-05-18T01:42:13Z","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":"We report new observations of Abell 2256 with the Karl G. Jansky Very Large Array (VLA) at frequencies between 1 and 8 GHz. These observations take advantage of the 2:1 bandwidths available for a single observation to study the spectral index, polarization and Rotation Measure as well as using the associated higher sensitivity to image total intensity features down to ~0.5\" resolution. We find the Large Relic, which dominates the cluster, is made up of a complex of filaments which show correlated distributions in intensity, spectral index, and fractional polarization. The Rotation Measure vari","authors_text":"Frazer Owen, Jean Eilek, Lawrence Rudnick, Leonid Kogan, Sanjay Bhatnagar, Urvashi Rau","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-25T21:08:18Z","title":"Wideband VLA Observations of Abell 2256 I: Continuum, Rotation Measure and Spectral Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5931","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":"sha256:67c18f76643874030d96f7f27555ea8833c1a89063707079822d893b5aa4927d","target":"record","created_at":"2026-05-18T01:42:13Z","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":"529e66017a0f6ab4bf08ec3501739a68b40a47bbf2fb88d4745765381c67f449","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-08-25T21:08:18Z","title_canon_sha256":"70c45daa33c0d8ced48f168c57ba65ccc27c3797e8ee336eb81705d67285cfc2"},"schema_version":"1.0","source":{"id":"1408.5931","kind":"arxiv","version":1}},"canonical_sha256":"ceb6be1c9ab6ed2dfe607b67103941d6872f7f1c28156e451aea4f75634a9e3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ceb6be1c9ab6ed2dfe607b67103941d6872f7f1c28156e451aea4f75634a9e3f","first_computed_at":"2026-05-18T01:42:13.205033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:13.205033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vtOpdmEdZ7N9m6FrzhkrLvVy5C8tBieQqKeh2N9MRGqYPNf13Zjv+KQbOD7Gaz10xTJBF/4u1YmH3zci5E0/Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:13.205668Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5931","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67c18f76643874030d96f7f27555ea8833c1a89063707079822d893b5aa4927d","sha256:6947961a2574848aaa0e6a2625f1ac66eca63b7f8eb15a0cc64c4bd562701354"],"state_sha256":"18b7c5170a015b9360c39ed3a616fc0aa68d0b00dc08331aef9bd1ef9dc37504"}