{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:HAHS23ORQUZ3S4WNMKK2FCSNHI","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":"bdc63abe6c2cb304202b82ab12b856468e22614816602d7e09355f698ba1e2de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-16T00:21:01Z","title_canon_sha256":"55608a71641e2f192e2e749d04883d02758a416486a78c9f09009b736aca22e5"},"schema_version":"1.0","source":{"id":"0912.3038","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.3038","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"arxiv_version","alias_value":"0912.3038v1","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.3038","created_at":"2026-05-18T02:10:16Z"},{"alias_kind":"pith_short_12","alias_value":"HAHS23ORQUZ3","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"HAHS23ORQUZ3S4WN","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"HAHS23OR","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:5bb0d4662483b3accabea81016f86ec09e4e6372a027b569f2b7e1c1c4ca608e","target":"graph","created_at":"2026-05-18T02:10:16Z","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 the first AGN census in a sample of 61 galaxies selected at\n  70microns, a wavelength which should strongly favour the detection of star-forming systems. For the purpose of this study we take advantage of deep Chandra X-ray and Spitzer infrared (3.6-160micron) data, as well as optical spectroscopy and photometry from the Deep Extragalactic Evolutionary Probe 2 (DEEP2) survey for the Extended Groth Strip (EGS) field. We investigate spectral line diagnostics ([OIII]/Hbeta and [NeIII]/[OII] ratios, Hdelta Balmer absorption line equivalent widths and the strength of the 4000Ang break), ","authors_text":"A. Georgakakis, D. Rosario, E. S. Laird, J. Harker, M. J. Page, M. Symeonidis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-16T00:21:01Z","title":"The central energy source of 70micron-selected galaxies: Starburst or AGN?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.3038","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:e273642e8c372b2612ed4ae97a21f94ff274cc83bb8c0f5ae4a84855d2cb147b","target":"record","created_at":"2026-05-18T02:10:16Z","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":"bdc63abe6c2cb304202b82ab12b856468e22614816602d7e09355f698ba1e2de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-12-16T00:21:01Z","title_canon_sha256":"55608a71641e2f192e2e749d04883d02758a416486a78c9f09009b736aca22e5"},"schema_version":"1.0","source":{"id":"0912.3038","kind":"arxiv","version":1}},"canonical_sha256":"380f2d6dd18533b972cd6295a28a4d3a129d7df0083a059d232ba9172b1f3dbd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"380f2d6dd18533b972cd6295a28a4d3a129d7df0083a059d232ba9172b1f3dbd","first_computed_at":"2026-05-18T02:10:16.790509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:16.790509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SaKmnNZQfvWxE5Lo3RSBNd3TWdWJ7k5bfADk3TLKynXeoIBVN5dHZ4WG0AN0PgUSXN0KwerliAFiTYuqsD76BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:16.791175Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.3038","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e273642e8c372b2612ed4ae97a21f94ff274cc83bb8c0f5ae4a84855d2cb147b","sha256:5bb0d4662483b3accabea81016f86ec09e4e6372a027b569f2b7e1c1c4ca608e"],"state_sha256":"a0ba1c279def355e19d72b841ddf75a85e286d197b0624e9228dd044d2db2708"}