{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NWBQLOJJX5EAGBDYTOYYU42GZC","short_pith_number":"pith:NWBQLOJJ","canonical_record":{"source":{"id":"2411.12394","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-11-19T10:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"cedec3427e61220b25e20d06524358e5578d68b4f75f3099048f0df88c1aee27","abstract_canon_sha256":"4c33e73a1167439394a5aa9bcc080dc9fbe05eab167dc04e099954896b3d10a6"},"schema_version":"1.0"},"canonical_sha256":"6d8305b929bf480304789bb18a7346c88e54f2fa8b5fd48eef112d5a97f56d07","source":{"kind":"arxiv","id":"2411.12394","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.12394","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"arxiv_version","alias_value":"2411.12394v1","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.12394","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"pith_short_12","alias_value":"NWBQLOJJX5EA","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"pith_short_16","alias_value":"NWBQLOJJX5EAGBDY","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"pith_short_8","alias_value":"NWBQLOJJ","created_at":"2026-07-05T09:37:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NWBQLOJJX5EAGBDYTOYYU42GZC","target":"record","payload":{"canonical_record":{"source":{"id":"2411.12394","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-11-19T10:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"cedec3427e61220b25e20d06524358e5578d68b4f75f3099048f0df88c1aee27","abstract_canon_sha256":"4c33e73a1167439394a5aa9bcc080dc9fbe05eab167dc04e099954896b3d10a6"},"schema_version":"1.0"},"canonical_sha256":"6d8305b929bf480304789bb18a7346c88e54f2fa8b5fd48eef112d5a97f56d07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:37:21.038380Z","signature_b64":"Iy3V8O+1jUG5fRn9JgSfeA/SeCxae7ZnAKu3ITaBwdEPJLEs+iNq6sAKUpYg0nJLS644Zc993v4eTrYI+cLDAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d8305b929bf480304789bb18a7346c88e54f2fa8b5fd48eef112d5a97f56d07","last_reissued_at":"2026-07-05T09:37:21.037852Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:37:21.037852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.12394","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:37:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sOg/gxhXgcN87ZRpQyk1xTKoFr617KJPeYKi5G9Ig98A8BqDbVs8o35VZS1TwTGxYmUXJpYo8Sq1xJ7nw1uzDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T10:24:44.691862Z"},"content_sha256":"6f595593b7c5375e052e2062c69f0d234e1b113ec63c071a96ebe9a5e0ae0c36","schema_version":"1.0","event_id":"sha256:6f595593b7c5375e052e2062c69f0d234e1b113ec63c071a96ebe9a5e0ae0c36"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NWBQLOJJX5EAGBDYTOYYU42GZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chemical Evolution during Molecular Cloud Formation Triggered by an Interstellar Shock Wave: Dependence on Shock Parameters and Comparison with Molecular Absorption Lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kazunari Iwasaki, Kenji Furuya, Yuri Aikawa, Yuto Komichi","submitted_at":"2024-11-19T10:27:09Z","abstract_excerpt":"We investigate chemistry in the compression layer behind the interstellar shock waves, where molecular cloud formation starts. We perform three-dimensional magnetohydrodynamics simulations of converging flows of atomic gas with shock parameters of inclination between the interstellar magnetic field and the shock wave, pre-shock density, and shock velocity. Then we derive 1D mean-flow models, along which we calculate a detailed gas-grain chemical reaction network as a post process with various chemical parameters, i.e. cosmic-ray ionization rate, abundances of PAHs, and metals in the gas phase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.12394","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.12394/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T09:37:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D34raHZ2bWMbjmMtDdhW3eEIJzRa7jC/I28+5Vrd4gj6192P4BKa2mmSA+U8lCckY9firgNQrV/31ifEtzdhCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T10:24:44.692442Z"},"content_sha256":"733be1eedab871a99104afa1b6a31a30286a9677eb2c4e8c94f02c799431aeca","schema_version":"1.0","event_id":"sha256:733be1eedab871a99104afa1b6a31a30286a9677eb2c4e8c94f02c799431aeca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NWBQLOJJX5EAGBDYTOYYU42GZC/bundle.json","state_url":"https://pith.science/pith/NWBQLOJJX5EAGBDYTOYYU42GZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NWBQLOJJX5EAGBDYTOYYU42GZC/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":"2026-08-12T10:24:44Z","links":{"resolver":"https://pith.science/pith/NWBQLOJJX5EAGBDYTOYYU42GZC","bundle":"https://pith.science/pith/NWBQLOJJX5EAGBDYTOYYU42GZC/bundle.json","state":"https://pith.science/pith/NWBQLOJJX5EAGBDYTOYYU42GZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NWBQLOJJX5EAGBDYTOYYU42GZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NWBQLOJJX5EAGBDYTOYYU42GZC","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":"4c33e73a1167439394a5aa9bcc080dc9fbe05eab167dc04e099954896b3d10a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-11-19T10:27:09Z","title_canon_sha256":"cedec3427e61220b25e20d06524358e5578d68b4f75f3099048f0df88c1aee27"},"schema_version":"1.0","source":{"id":"2411.12394","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.12394","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"arxiv_version","alias_value":"2411.12394v1","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.12394","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"pith_short_12","alias_value":"NWBQLOJJX5EA","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"pith_short_16","alias_value":"NWBQLOJJX5EAGBDY","created_at":"2026-07-05T09:37:21Z"},{"alias_kind":"pith_short_8","alias_value":"NWBQLOJJ","created_at":"2026-07-05T09:37:21Z"}],"graph_snapshots":[{"event_id":"sha256:733be1eedab871a99104afa1b6a31a30286a9677eb2c4e8c94f02c799431aeca","target":"graph","created_at":"2026-07-05T09:37:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.12394/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate chemistry in the compression layer behind the interstellar shock waves, where molecular cloud formation starts. We perform three-dimensional magnetohydrodynamics simulations of converging flows of atomic gas with shock parameters of inclination between the interstellar magnetic field and the shock wave, pre-shock density, and shock velocity. Then we derive 1D mean-flow models, along which we calculate a detailed gas-grain chemical reaction network as a post process with various chemical parameters, i.e. cosmic-ray ionization rate, abundances of PAHs, and metals in the gas phase.","authors_text":"Kazunari Iwasaki, Kenji Furuya, Yuri Aikawa, Yuto Komichi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-11-19T10:27:09Z","title":"Chemical Evolution during Molecular Cloud Formation Triggered by an Interstellar Shock Wave: Dependence on Shock Parameters and Comparison with Molecular Absorption Lines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.12394","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":"sha256:6f595593b7c5375e052e2062c69f0d234e1b113ec63c071a96ebe9a5e0ae0c36","target":"record","created_at":"2026-07-05T09:37:21Z","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":"4c33e73a1167439394a5aa9bcc080dc9fbe05eab167dc04e099954896b3d10a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-11-19T10:27:09Z","title_canon_sha256":"cedec3427e61220b25e20d06524358e5578d68b4f75f3099048f0df88c1aee27"},"schema_version":"1.0","source":{"id":"2411.12394","kind":"arxiv","version":1}},"canonical_sha256":"6d8305b929bf480304789bb18a7346c88e54f2fa8b5fd48eef112d5a97f56d07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d8305b929bf480304789bb18a7346c88e54f2fa8b5fd48eef112d5a97f56d07","first_computed_at":"2026-07-05T09:37:21.037852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:37:21.037852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Iy3V8O+1jUG5fRn9JgSfeA/SeCxae7ZnAKu3ITaBwdEPJLEs+iNq6sAKUpYg0nJLS644Zc993v4eTrYI+cLDAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:37:21.038380Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.12394","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f595593b7c5375e052e2062c69f0d234e1b113ec63c071a96ebe9a5e0ae0c36","sha256:733be1eedab871a99104afa1b6a31a30286a9677eb2c4e8c94f02c799431aeca"],"state_sha256":"6ab2c4028762303a66336c77ddae43deea5ec3ee8460e3ed367c324ea7cdf3d6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QE+H4ai7kZQfVqxlPoVij/io/ht+h6BRSjfd+H6PVgmapZD1L3rL6wEHKq1NyV4eXvEyTfrGkXbygllXOEjwCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T10:24:44.697549Z","bundle_sha256":"df757aec22c0774076ad6971d06a211acc312b0a6d6cdb314c68db91be6de8a4"}}