{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3YMHSOSAPC52ZFM6SYXRCLWNB3","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":"bcefa81bedafd4ce5bbbf8e1509bf186451f86459455dde01e99b4e1d9725ff6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-04-26T13:23:59Z","title_canon_sha256":"1fd21704151e0110178d31228fd4a3753350da79e847d0f983d86db59f2ed2b7"},"schema_version":"1.0","source":{"id":"1304.7155","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.7155","created_at":"2026-05-18T01:50:21Z"},{"alias_kind":"arxiv_version","alias_value":"1304.7155v1","created_at":"2026-05-18T01:50:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.7155","created_at":"2026-05-18T01:50:21Z"},{"alias_kind":"pith_short_12","alias_value":"3YMHSOSAPC52","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3YMHSOSAPC52ZFM6","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3YMHSOSA","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:db39ab4aa601e753a2abd8aba2aa398e05882248f09c35650fb29dcd15b2ee46","target":"graph","created_at":"2026-05-18T01:50:21Z","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":"1ES 1927+654 is an active galactic nucleus (AGN) that appears to defy the unification model. It exhibits a type-2 optical spectrum, but possesses little X-ray obscuration. XMM-Newton and Suzaku observations obtained in 2011 are used to study the X-ray properties of 1ES 1927+654. The spectral energy distribution derived from simultaneous optical-to-X-ray data obtained with XMM-Newton shows the AGN has a typical Eddington ratio (L/L_Edd = 0.014-0.11). The X-ray spectrum and rapid variability are consistent with originating from a corona surrounding a standard accretion disc. Partial covering mod","authors_text":"A. C. Fabian (4), C. MacMackin (1), E. M. Cackett (3), F. Panessa (5) ((1) Saint Mary's Univ. (2) Univ. of Maryland (3) Wayne State Univ. (4) IoA (5) IASF-INAF), L. C. Gallo (1), R. Vasudevan (2)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-04-26T13:23:59Z","title":"1ES 1927+654: a bare Seyfert 2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.7155","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:e5323a5a7d6b76f7a0126c58dd68bfa1212109ce83e625617110def14fb12257","target":"record","created_at":"2026-05-18T01:50:21Z","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":"bcefa81bedafd4ce5bbbf8e1509bf186451f86459455dde01e99b4e1d9725ff6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-04-26T13:23:59Z","title_canon_sha256":"1fd21704151e0110178d31228fd4a3753350da79e847d0f983d86db59f2ed2b7"},"schema_version":"1.0","source":{"id":"1304.7155","kind":"arxiv","version":1}},"canonical_sha256":"de18793a4078bbac959e962f112ecd0ef3ba40f7aa2656dedb267c838434207a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de18793a4078bbac959e962f112ecd0ef3ba40f7aa2656dedb267c838434207a","first_computed_at":"2026-05-18T01:50:21.421923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:21.421923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qz38eqI9L3VWCPIsrm/0URqOARIryTspQXOKs3pM8byp/u//N90UCKlpPbA6+qWPvBiQOBhgO82ETdEeog0SDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:21.422568Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.7155","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5323a5a7d6b76f7a0126c58dd68bfa1212109ce83e625617110def14fb12257","sha256:db39ab4aa601e753a2abd8aba2aa398e05882248f09c35650fb29dcd15b2ee46"],"state_sha256":"243b558525da2f2b1c4e3c8c075efa037fba3a5992967129c7f38903c330baf9"}