{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Y7MNXVPXOZE7H7OL4HKEJ4AUZC","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":"80153f302e2c5999f7d7fd701337b39f02d16e2732d0c23fedaf9608b89cb624","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-26T18:00:02Z","title_canon_sha256":"789b56fc96979edda6a3e04659fda2cc6a9716b48a0d2022b640312ce7d78c65"},"schema_version":"1.0","source":{"id":"1806.10143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.10143","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"1806.10143v1","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.10143","created_at":"2026-05-18T00:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"Y7MNXVPXOZE7","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y7MNXVPXOZE7H7OL","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y7MNXVPX","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:59f3de76b6fb61892fa7a0779ef03686c2d253b9a633cc2147dbc7ca7a7ac87a","target":"graph","created_at":"2026-05-18T00:10:36Z","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":"A sample of 1161 radio galaxies with $0.01 < z < 0.7$ and $10^{21} < L_{1.4~\\rm GHz} / \\textrm{W Hz}^{-1} < 10^{27}$ is selected from the Stripe 82 1-2 GHz Karl G. Jansky Very Large Array Snapshot Survey, which covers 100 square degrees and has a 1$\\sigma$ noise level of 88 $\\mu$Jy beam$^{-1}$. Optical spectra are used to classify these sources as high excitation and low excitation radio galaxies (HERGs and LERGs), resulting in 60 HERGs, 149 LERGs and 600 `probable LERGs'. The host galaxies of the LERGs have older stellar populations than those of the HERGs, in agreement with previous results ","authors_text":"Ian Heywood, Imogen H. Whittam, Kim McAlpine, Matthew Prescott, Matt J. Jarvis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-26T18:00:02Z","title":"The Stripe 82 1-2 GHz Very Large Array Snapshot Survey: host galaxy properties and accretion rates of radio galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.10143","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":"sha256:32481eb47bed64d0bd65fd5420263a23d28c585021e9e8788c6d3c78d2dc9b0f","target":"record","created_at":"2026-05-18T00:10:36Z","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":"80153f302e2c5999f7d7fd701337b39f02d16e2732d0c23fedaf9608b89cb624","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-26T18:00:02Z","title_canon_sha256":"789b56fc96979edda6a3e04659fda2cc6a9716b48a0d2022b640312ce7d78c65"},"schema_version":"1.0","source":{"id":"1806.10143","kind":"arxiv","version":1}},"canonical_sha256":"c7d8dbd5f77649f3fdcbe1d444f014c8a94e78eb04c68a628dea2b2d2d780b46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7d8dbd5f77649f3fdcbe1d444f014c8a94e78eb04c68a628dea2b2d2d780b46","first_computed_at":"2026-05-18T00:10:36.963128Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:36.963128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F1YcWbYTASFjleGOUjDTr66ZEg+YS1EaiDLxV8c457UDhlmidRuZ7YZiUIOyPqMEz0b63mWbWqrPbGgOZEtaCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:36.963773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.10143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32481eb47bed64d0bd65fd5420263a23d28c585021e9e8788c6d3c78d2dc9b0f","sha256:59f3de76b6fb61892fa7a0779ef03686c2d253b9a633cc2147dbc7ca7a7ac87a"],"state_sha256":"e6474054d8dcf1b42c59a793a85e15d49380093f9e87fb2b29865b2ea1dec28e"}