{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:3MFF2N36I64V7EX3LNHO7NXIH7","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":"028ac82bf74dc5f28095af79d1935d843e5e8700a735955fd67b35a7487b69c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-11T20:02:54Z","title_canon_sha256":"894e876bd8bfb1ef643e12650b7821e32d7b4d8119d0f15e39e561bf12f32b4e"},"schema_version":"1.0","source":{"id":"0909.2258","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.2258","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"arxiv_version","alias_value":"0909.2258v1","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2258","created_at":"2026-05-18T02:34:30Z"},{"alias_kind":"pith_short_12","alias_value":"3MFF2N36I64V","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"3MFF2N36I64V7EX3","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"3MFF2N36","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:7cdf1ff71d8ac2f69d41b7fca3bbe81bc5e87a90d2e1c12e7599613d127b8986","target":"graph","created_at":"2026-05-18T02:34:30Z","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":"X-ray properties of galaxy groups can unlock some of the most challenging research topics in modern extragalactic astronomy: the growth of structure and its influence on galaxy formation. Only with the advent of the Chandra and XMM facilities have X-ray observations reached the depths required to address these questions in a satisfactory manner. Here we present an X-ray imaging study of two patches from the CNOC2 spectroscopic galaxy survey using combined Chandra and XMM data. A state of the art extended source finding algorithm has been applied, and the resultant source catalog, including red","authors_text":"A. Finoguenov, D.J. Wilman, J.L. Connelly, J.S. Mulchaey, L.C. Parker, M.L. Balogh, R.G. Bower, R.P. Saglia, S.L. McGee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-11T20:02:54Z","title":"The roadmap for unification in galaxy group selection:. I. A search for extended X-ray emission in the CNOC2 survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2258","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:d01ea1e0b87f9db4d016b0ef1a7be8d6f25527583dbdb37e0d2cca3f2248e496","target":"record","created_at":"2026-05-18T02:34:30Z","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":"028ac82bf74dc5f28095af79d1935d843e5e8700a735955fd67b35a7487b69c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-11T20:02:54Z","title_canon_sha256":"894e876bd8bfb1ef643e12650b7821e32d7b4d8119d0f15e39e561bf12f32b4e"},"schema_version":"1.0","source":{"id":"0909.2258","kind":"arxiv","version":1}},"canonical_sha256":"db0a5d377e47b95f92fb5b4eefb6e83fd9e28259b7de38c4bfd5b815ff854378","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db0a5d377e47b95f92fb5b4eefb6e83fd9e28259b7de38c4bfd5b815ff854378","first_computed_at":"2026-05-18T02:34:30.309492Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:30.309492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8uQaXmKkaBhtat5VR0GcB/XjmcSw8A4diwr1VbsPhzA8I2v/xZJ6rOaZAyAirWLB/fbaOH/Ecph8lBYRndtyAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:30.309898Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.2258","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d01ea1e0b87f9db4d016b0ef1a7be8d6f25527583dbdb37e0d2cca3f2248e496","sha256:7cdf1ff71d8ac2f69d41b7fca3bbe81bc5e87a90d2e1c12e7599613d127b8986"],"state_sha256":"46137db27dfac88960c8703c57e9eb33a8e5c7a27b9e7718c82904bf95b4c5a7"}