{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JXY4I2ONC6NJH5ETMMJQWS2PEL","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":"5c19778ab5bcc83345c1bba9e299f00e032db1c58aa43bbe1a8aa31e4086ec76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-17T09:39:14Z","title_canon_sha256":"dc87fe80976017540e0430a269d4eced016ca3e216afe99491694fa171998a90"},"schema_version":"1.0","source":{"id":"1710.06186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.06186","created_at":"2026-05-18T00:29:27Z"},{"alias_kind":"arxiv_version","alias_value":"1710.06186v1","created_at":"2026-05-18T00:29:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.06186","created_at":"2026-05-18T00:29:27Z"},{"alias_kind":"pith_short_12","alias_value":"JXY4I2ONC6NJ","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JXY4I2ONC6NJH5ET","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JXY4I2ON","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:b5fd957b26d1314c6c7f4e2496c7e7269d143799d582d97b49fbf608fd4422af","target":"graph","created_at":"2026-05-18T00:29:27Z","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 observations in CO(3-2) that, combined with previous observations in CO(2-1), constrain the physical properties of the filamentary molecular gas in the central $\\sim$6.5 kpc of NGC 1275, the central giant elliptical galaxy of the Perseus cluster. We find this molecular gas to have a temperature $\\gtrsim 20$ K and a density $\\sim$$10^2$-$10^4 {\\rm \\ cm^{-3}}$, typically warmer and denser than the bulk of Giant Molecular Clouds (GMCs) in the Galaxy. Bathed in the harsh radiation and particle field of the surrounding intracluster X-ray gas, the molecular gas likely has a much higher io","authors_text":"Dinh-V-Trung, Jan Vrtilek, Jeremy Lim, Laurence P. David, William Forman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-17T09:39:14Z","title":"Role of Electon Excitation and Nature of Molecular Gas in Cluster Central Elliptical Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.06186","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":"sha256:0118a0a70c59f973e7958816dcdea7415cce8db39f0bc85804bce8c7315714d3","target":"record","created_at":"2026-05-18T00:29:27Z","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":"5c19778ab5bcc83345c1bba9e299f00e032db1c58aa43bbe1a8aa31e4086ec76","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-17T09:39:14Z","title_canon_sha256":"dc87fe80976017540e0430a269d4eced016ca3e216afe99491694fa171998a90"},"schema_version":"1.0","source":{"id":"1710.06186","kind":"arxiv","version":1}},"canonical_sha256":"4df1c469cd179a93f49363130b4b4f22fe820d115f4a5b128b70c51064efe9d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4df1c469cd179a93f49363130b4b4f22fe820d115f4a5b128b70c51064efe9d2","first_computed_at":"2026-05-18T00:29:27.949355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:27.949355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r8GER9o398kFPE3Tj9VIWLlmB5TQ8/lksLOmqXZxjAWEMdfEsIuQN6IJOGVmhAZoPa9wY2lF+JD92fMlQYiuCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:27.950198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.06186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0118a0a70c59f973e7958816dcdea7415cce8db39f0bc85804bce8c7315714d3","sha256:b5fd957b26d1314c6c7f4e2496c7e7269d143799d582d97b49fbf608fd4422af"],"state_sha256":"e7a9c5613aaa48af02d5f553236aae2fef4c8b5d1e841f9f246f5480939ed1f3"}