{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MRSL5QXQHLISSIJCLNOMSZQEYG","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":"5f9efccca1717eb6b3854ae170b2f9e7c7adab53543d688f7f0d553c5ac49c14","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-02T20:00:04Z","title_canon_sha256":"73f3b818eaee025029a79321568eb765616b03fb4d9c11f93ce7fc31f12e8902"},"schema_version":"1.0","source":{"id":"1304.0770","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.0770","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"1304.0770v1","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.0770","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"MRSL5QXQHLIS","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MRSL5QXQHLISSIJC","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MRSL5QXQ","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:5ffaceeae64bf6d06ce017585c44f3a8ef68695212599398f1dddacda99d5abf","target":"graph","created_at":"2026-05-18T01:50:49Z","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 the first results from the Clusters Around Radio-Loud AGN (CARLA) program, a Cycle 7 and 8 Spitzer Space Telescope snapshot program to investigate the environments of a large sample of obscured and unobscured luminous radio-loud AGN at 1.2 < z < 3.2. These data, obtained for 387 fields, reach 3.6 and 4.5 um depths of [3.6] (AB) = 22.6 and [4.5] (AB) = 22.9 at the 95% completeness level, which is two to three times fainter than L* in this redshift range. By using the color cut [3.6]-[4.5] > -0.1 (AB), which efficiently selects high-redshift (z > 1.3) galaxies of all types, we identify","authors_text":"A. Galametz, A. H. Gonzalez, A. Rettura, C. De Breuck, D. Stern, D. Wylezalek, J. A. Stevens, J. Vernet, M. Brodwin, M. Jarvis, N. Hatch, N. Seymour, P. M. Eisenhardt, S. A. Stanford","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-02T20:00:04Z","title":"Galaxy Clusters around radio-loud AGN at 1.3 < z < 3.2 as seen by Spitzer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.0770","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:dbb1d63d560e64038b2ab696eb17068d8fd918f6a0f7caeae5de813664d8bad5","target":"record","created_at":"2026-05-18T01:50:49Z","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":"5f9efccca1717eb6b3854ae170b2f9e7c7adab53543d688f7f0d553c5ac49c14","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-04-02T20:00:04Z","title_canon_sha256":"73f3b818eaee025029a79321568eb765616b03fb4d9c11f93ce7fc31f12e8902"},"schema_version":"1.0","source":{"id":"1304.0770","kind":"arxiv","version":1}},"canonical_sha256":"6464bec2f03ad12921225b5cc96604c1a8ead873e0babfbc91e07791a76deda5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6464bec2f03ad12921225b5cc96604c1a8ead873e0babfbc91e07791a76deda5","first_computed_at":"2026-05-18T01:50:49.836978Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:49.836978Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3Mh1uuOxk8mvmNgseFqZZhIEHHOZ5qbKPuhI215BXgrXFyaUnL//KQXJ3LLtkdkuvKNq4opTI2j/0CEY2QPcCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:49.837506Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.0770","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbb1d63d560e64038b2ab696eb17068d8fd918f6a0f7caeae5de813664d8bad5","sha256:5ffaceeae64bf6d06ce017585c44f3a8ef68695212599398f1dddacda99d5abf"],"state_sha256":"ec35c1470adf0d67ca6d42e39008f17191d576b7d8dc0905bf69783168f115e0"}