{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HZIHIIUH3ISMIDCQIKZEFHQZWC","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":"ea9e774664b983e1d94d17dd78edb0393b99ca8c2029ab4eb703501f2a0f8ef7","cross_cats_sorted":["nlin.CD","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-26T08:14:39Z","title_canon_sha256":"7e829a48a4a4ea5e2002d052b4e731e54213b7abbf656d1d9403feac1b0ae870"},"schema_version":"1.0","source":{"id":"1209.5861","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5861","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5861v1","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5861","created_at":"2026-05-18T03:41:12Z"},{"alias_kind":"pith_short_12","alias_value":"HZIHIIUH3ISM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HZIHIIUH3ISMIDCQ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HZIHIIUH","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:43cff255bc58d74ac0fa7a5b0ccc8b21b3dc0f68a41b2fc1df8f5786e939e1a0","target":"graph","created_at":"2026-05-18T03:41:12Z","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":"Stars form by the gravitational collapse of interstellar gas. The thermodynamic response of the gas can be characterized by an effective equation of state. It determines how gas heats up or cools as it gets compressed, and hence plays a key role in regulating the process of stellar birth on virtually all scales, ranging from individual star clusters up to the galaxy as a whole. We present a systematic study of the impact of thermodynamics on gravitational collapse in the context of high-redshift star formation, but argue that our findings are also relevant for present-day star formation in mol","authors_text":"Christoph Federrath, Dominik R. G. Schleicher, Ralf S. Klessen, Robi Banerjee, Rowan J. Smith, Sharanya Sur, Thomas Peters","cross_cats":["nlin.CD","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-26T08:14:39Z","title":"The impact of thermodynamics on gravitational collapse: filament formation and magnetic field amplification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5861","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":"sha256:51da8290259c4f9f12860be8b243ba450eed374fea0342d6b13bb36323fe4ab3","target":"record","created_at":"2026-05-18T03:41:12Z","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":"ea9e774664b983e1d94d17dd78edb0393b99ca8c2029ab4eb703501f2a0f8ef7","cross_cats_sorted":["nlin.CD","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-26T08:14:39Z","title_canon_sha256":"7e829a48a4a4ea5e2002d052b4e731e54213b7abbf656d1d9403feac1b0ae870"},"schema_version":"1.0","source":{"id":"1209.5861","kind":"arxiv","version":1}},"canonical_sha256":"3e50742287da24c40c5042b2429e19b08fd2da4423580bbd7495a7322a57e9ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e50742287da24c40c5042b2429e19b08fd2da4423580bbd7495a7322a57e9ac","first_computed_at":"2026-05-18T03:41:12.201698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:41:12.201698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dwozDeqt/JaLLwdGBokxNehLQW6rmvgdtdGG9+cwFU9LAFqtV8vsqmuDaF5Vcy1JrxZ3rV6fMpf99q0pZV11Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:41:12.202761Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5861","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51da8290259c4f9f12860be8b243ba450eed374fea0342d6b13bb36323fe4ab3","sha256:43cff255bc58d74ac0fa7a5b0ccc8b21b3dc0f68a41b2fc1df8f5786e939e1a0"],"state_sha256":"b8e269989fa7c50b028837be1a6ca415fbbf063332503457a57a313e8fb670b9"}