{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3LJYYHE5HZHLTY62DNQ43MQ5BR","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":"7013f47dec7e75ff080bfd2830b502df6fa227e540b8003f4feb6f0383a9b500","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:55:01Z","title_canon_sha256":"60aa0a6a17d693f064189868c3640cde07a587f10731d88bdae141fa7139c0bb"},"schema_version":"1.0","source":{"id":"1111.4476","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.4476","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"arxiv_version","alias_value":"1111.4476v2","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4476","created_at":"2026-05-18T01:59:29Z"},{"alias_kind":"pith_short_12","alias_value":"3LJYYHE5HZHL","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3LJYYHE5HZHLTY62","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3LJYYHE5","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:b0d09d31c2fcdfbbcd9df1b02ccb95543e9ca7df05e8c93db62ec9d41f39e1d9","target":"graph","created_at":"2026-05-18T01:59:29Z","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 present deep Spitzer/IRS spectra for complete samples of 46 2Jy radio galaxies (0.05<z<0.7) and 19 3CRR FRII radio galaxies (z<0.1), and use the detection of polycyclic aromatic hydrocarbon (PAH) features to examine the incidence of contemporaneous star formation and radio-loud AGN activity. Our analysis reveals PAH features in only a minority (30%) of the objects with good IRS spectra. Using the wealth of complementary data available for the 2Jy and 3CRR samples we make detailed comparisons between a range of star formation diagnostics: optical continuum spectroscopy, mid- to far-IR (MFIR)","authors_text":"A. Robinson, C. Ramos Almeida, C. Tadhunter, D. Axon, D. Dicken, H. Spoon, J. Holt, K. J. Inskip, M. B. N. Kouwenhoven, N. P. H. Nesvadba, P. Kharb, R. Morganti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:55:01Z","title":"Spitzer mid-IR spectroscopy of powerful 2Jy and 3CRR radio galaxies. I. Evidence against a strong starburst-AGN connection in radio-loud AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4476","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":"sha256:028c1c272024beda2accec862dc632765c9d48fc0547427fdb72f50722c13534","target":"record","created_at":"2026-05-18T01:59:29Z","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":"7013f47dec7e75ff080bfd2830b502df6fa227e540b8003f4feb6f0383a9b500","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-11-18T20:55:01Z","title_canon_sha256":"60aa0a6a17d693f064189868c3640cde07a587f10731d88bdae141fa7139c0bb"},"schema_version":"1.0","source":{"id":"1111.4476","kind":"arxiv","version":2}},"canonical_sha256":"dad38c1c9d3e4eb9e3da1b61cdb21d0c7102ccbd782d20cdc12427f233222d6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dad38c1c9d3e4eb9e3da1b61cdb21d0c7102ccbd782d20cdc12427f233222d6e","first_computed_at":"2026-05-18T01:59:29.082773Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:29.082773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5xBfBHZ3855tLUTLMrSd/Jvhoa6+l9Yv7Z0BtHgz0lcqoRpjg8OlJtudz8/Ab1giJAH4ffsR/022GbgEmCo6Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:29.083377Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.4476","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:028c1c272024beda2accec862dc632765c9d48fc0547427fdb72f50722c13534","sha256:b0d09d31c2fcdfbbcd9df1b02ccb95543e9ca7df05e8c93db62ec9d41f39e1d9"],"state_sha256":"d7b854b221cee4c10aa5e9ed8ee755954c0a35c45bb624f781f98614e7818c35"}