{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MMKG2SFLL6VGVJPUGDKJT6ABRQ","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":"d1d82939ce252073621d9929798cd6dd3ce2e37775e1ec7763f969d5c9642f5c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T08:46:23Z","title_canon_sha256":"bb5e78de509e946e1ed0bd4416caa61c5b693d594842e2f714ca6e8771bbdb65"},"schema_version":"1.0","source":{"id":"1808.10184","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.10184","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"1808.10184v3","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10184","created_at":"2026-05-17T23:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"MMKG2SFLL6VG","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MMKG2SFLL6VGVJPU","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MMKG2SFL","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:87f8550af0e1b1c0b61f3a2489b79d3c0f9cae6d0d589322e01539475a5bf82e","target":"graph","created_at":"2026-05-17T23:56:03Z","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":"In this study, we present and validate a variation of recently-developed physically motivated sub-grid prescriptions for supernova feedback that account for the unresolved energy-conserving phase of the bubble expansion. Our model builds upon the implementation publicly available in the mesh-less hydrodynamic code GIZMO, and is coupled with the chemistry library KROME. Here, we test it against different setups, to address how it affects the formation/dissociation of molecular hydrogen (H$_2$). First, we explore very idealised conditions, to show that it can accurately reproduce the terminal mo","authors_text":"Alessandro Lupi","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T08:46:23Z","title":"H2 chemistry in galaxy simulations: an improved supernova feedback model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10184","kind":"arxiv","version":3},"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":"sha256:97f378172f2354525867c4bc164e2d875a316dcb35ba26876f24fbf70747ff1b","target":"record","created_at":"2026-05-17T23:56:03Z","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":"d1d82939ce252073621d9929798cd6dd3ce2e37775e1ec7763f969d5c9642f5c","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T08:46:23Z","title_canon_sha256":"bb5e78de509e946e1ed0bd4416caa61c5b693d594842e2f714ca6e8771bbdb65"},"schema_version":"1.0","source":{"id":"1808.10184","kind":"arxiv","version":3}},"canonical_sha256":"63146d48ab5faa6aa5f430d499f8018c29da8f46aaee576f0182a29b0e233fac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63146d48ab5faa6aa5f430d499f8018c29da8f46aaee576f0182a29b0e233fac","first_computed_at":"2026-05-17T23:56:03.836004Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:03.836004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mwspAOQRuItILEUhJvXJU1cR7jKFAMJM2NfhHdYktC9fj09+vEFduZGzd1Fj6mthQacVKZGjvWKJCRPUsPdrCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:03.836650Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.10184","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97f378172f2354525867c4bc164e2d875a316dcb35ba26876f24fbf70747ff1b","sha256:87f8550af0e1b1c0b61f3a2489b79d3c0f9cae6d0d589322e01539475a5bf82e"],"state_sha256":"458c7dfce1359aa57e0692420f648f8d054ae70d24bcefdca6eeaf22fc5b4805"}