{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:JYP72Z6OCKQGJN3PH7AYC3RMBC","short_pith_number":"pith:JYP72Z6O","canonical_record":{"source":{"id":"1302.0330","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-02T01:28:38Z","cross_cats_sorted":[],"title_canon_sha256":"e2de8c6717389e6f178d6e6748601d1d3140c4e962ee0d96cad086c70a6ca2f5","abstract_canon_sha256":"1f1080ec633458d4e4ba22b568460ae50c34cc92d7afd571344ee83851d0a953"},"schema_version":"1.0"},"canonical_sha256":"4e1ffd67ce12a064b76f3fc1816e2c089b873e1494896f459afb30cc68812dff","source":{"kind":"arxiv","id":"1302.0330","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0330","created_at":"2026-05-18T03:34:13Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0330v2","created_at":"2026-05-18T03:34:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0330","created_at":"2026-05-18T03:34:13Z"},{"alias_kind":"pith_short_12","alias_value":"JYP72Z6OCKQG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JYP72Z6OCKQGJN3P","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JYP72Z6O","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:JYP72Z6OCKQGJN3PH7AYC3RMBC","target":"record","payload":{"canonical_record":{"source":{"id":"1302.0330","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-02T01:28:38Z","cross_cats_sorted":[],"title_canon_sha256":"e2de8c6717389e6f178d6e6748601d1d3140c4e962ee0d96cad086c70a6ca2f5","abstract_canon_sha256":"1f1080ec633458d4e4ba22b568460ae50c34cc92d7afd571344ee83851d0a953"},"schema_version":"1.0"},"canonical_sha256":"4e1ffd67ce12a064b76f3fc1816e2c089b873e1494896f459afb30cc68812dff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:13.545108Z","signature_b64":"CProdpPxMkeFf1AN1N4MFJBlujFeZn+mB6YJdi24nJHyOyBCb+DD+rwI+ExzwzG7iwWTXB/gwMK5r+bnCidBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e1ffd67ce12a064b76f3fc1816e2c089b873e1494896f459afb30cc68812dff","last_reissued_at":"2026-05-18T03:34:13.544252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:13.544252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.0330","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:34:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ltKEvHYj7e5eLz5ZEvrh9+orm8MAzGc4kH00Ono7WcZ5Sf/5gXQ0t+RGTU9qVQYsRmhzgAWrxKBjE3B5qmLYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:08:03.720765Z"},"content_sha256":"44f00b0abff45480c25c04b1dadba4627e920104014d8e654cd91e1e494d9885","schema_version":"1.0","event_id":"sha256:44f00b0abff45480c25c04b1dadba4627e920104014d8e654cd91e1e494d9885"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:JYP72Z6OCKQGJN3PH7AYC3RMBC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Astrochemical Evolution of Turbulent Giant Molecular Clouds : I - Physical Processes and Method of Solution for Hydrodynamic, Embedded Starless Clouds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Avinash Kumar, Robert T. Fisher","submitted_at":"2013-02-02T01:28:38Z","abstract_excerpt":"Contemporary galactic star formation occurs predominantly within gravitationally unstable, cold, dense molecular gas within supersonic, turbulent, magnetized giant molecular clouds (GMCs). Significantly, because the chemical evolution timescale and the turbulent eddy-turnover timescale are comparable at typical GMC conditions, molecules evolve via inherently non-equilibrium chemistry which is strongly coupled to the dynamical evolution of the cloud.\n  Current numerical simulation techniques, which include at most three decades in length scale, can just begin to bridge the divide between the gl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0330","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:34:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P51zIb1bjXqrCzyaRdwJJEnTpgbapAxpu5ms2yRqcyhU8DO2na4fduIQG5JkyH530EutAQScE0qebZf0XqDqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:08:03.721122Z"},"content_sha256":"e5f21996b74585b48cf797b6446b3d57b561516a5740dda33a7f1856ef1f15f3","schema_version":"1.0","event_id":"sha256:e5f21996b74585b48cf797b6446b3d57b561516a5740dda33a7f1856ef1f15f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC/bundle.json","state_url":"https://pith.science/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-04T21:08:03Z","links":{"resolver":"https://pith.science/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC","bundle":"https://pith.science/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC/bundle.json","state":"https://pith.science/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JYP72Z6OCKQGJN3PH7AYC3RMBC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:JYP72Z6OCKQGJN3PH7AYC3RMBC","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":"1f1080ec633458d4e4ba22b568460ae50c34cc92d7afd571344ee83851d0a953","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-02T01:28:38Z","title_canon_sha256":"e2de8c6717389e6f178d6e6748601d1d3140c4e962ee0d96cad086c70a6ca2f5"},"schema_version":"1.0","source":{"id":"1302.0330","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0330","created_at":"2026-05-18T03:34:13Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0330v2","created_at":"2026-05-18T03:34:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0330","created_at":"2026-05-18T03:34:13Z"},{"alias_kind":"pith_short_12","alias_value":"JYP72Z6OCKQG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JYP72Z6OCKQGJN3P","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JYP72Z6O","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:e5f21996b74585b48cf797b6446b3d57b561516a5740dda33a7f1856ef1f15f3","target":"graph","created_at":"2026-05-18T03:34:13Z","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":"Contemporary galactic star formation occurs predominantly within gravitationally unstable, cold, dense molecular gas within supersonic, turbulent, magnetized giant molecular clouds (GMCs). Significantly, because the chemical evolution timescale and the turbulent eddy-turnover timescale are comparable at typical GMC conditions, molecules evolve via inherently non-equilibrium chemistry which is strongly coupled to the dynamical evolution of the cloud.\n  Current numerical simulation techniques, which include at most three decades in length scale, can just begin to bridge the divide between the gl","authors_text":"Avinash Kumar, Robert T. Fisher","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-02T01:28:38Z","title":"The Astrochemical Evolution of Turbulent Giant Molecular Clouds : I - Physical Processes and Method of Solution for Hydrodynamic, Embedded Starless Clouds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0330","kind":"arxiv","version":2},"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":"sha256:44f00b0abff45480c25c04b1dadba4627e920104014d8e654cd91e1e494d9885","target":"record","created_at":"2026-05-18T03:34:13Z","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":"1f1080ec633458d4e4ba22b568460ae50c34cc92d7afd571344ee83851d0a953","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-02T01:28:38Z","title_canon_sha256":"e2de8c6717389e6f178d6e6748601d1d3140c4e962ee0d96cad086c70a6ca2f5"},"schema_version":"1.0","source":{"id":"1302.0330","kind":"arxiv","version":2}},"canonical_sha256":"4e1ffd67ce12a064b76f3fc1816e2c089b873e1494896f459afb30cc68812dff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e1ffd67ce12a064b76f3fc1816e2c089b873e1494896f459afb30cc68812dff","first_computed_at":"2026-05-18T03:34:13.544252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:34:13.544252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CProdpPxMkeFf1AN1N4MFJBlujFeZn+mB6YJdi24nJHyOyBCb+DD+rwI+ExzwzG7iwWTXB/gwMK5r+bnCidBCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:34:13.545108Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.0330","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44f00b0abff45480c25c04b1dadba4627e920104014d8e654cd91e1e494d9885","sha256:e5f21996b74585b48cf797b6446b3d57b561516a5740dda33a7f1856ef1f15f3"],"state_sha256":"d0f9813e913fd92be2aa6aa63b0d5c55fc38e06aef835ea63f58366831074e62"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9kb+/HGNRacgGeKzhKEuIBifE2dYxvcPCr6sh1iM0RnLiFQBVIh1RbXEZWUF9KGoTbC7rDJQ2oBSZegVVr3JAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:08:03.723366Z","bundle_sha256":"bcad2aff357231b557a09aae0b723ffe74f650180f7538c945af8e0a94ea0656"}}