{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:CI3ODW7F7NP4GHXJZOKY7TDDLG","short_pith_number":"pith:CI3ODW7F","schema_version":"1.0","canonical_sha256":"1236e1dbe5fb5fc31ee9cb958fcc6359b9aaf9ec0912c587d007623b43bb53d7","source":{"kind":"arxiv","id":"1604.05216","version":1},"attestation_state":"computed","paper":{"title":"Gas and grain chemical composition in cold cores as predicted by the Nautilus 3-phase model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Franck Hersant, Maxime Ruaud, Valentine Wakelam","submitted_at":"2016-04-18T15:43:59Z","abstract_excerpt":"We present an extended version of the 2-phase gas-grain code NAUTILUS to the 3-phase modelling of gas and grain chemistry of cold cores. In this model, both the mantle and the surface are considered as chemically active. We also take into account the competition among reaction, diffusion and evaporation. The model predictions are confronted to ice observations in the envelope of low-mass and massive young stellar objects as well as toward background stars. Modelled gas-phase abundances are compared to species observed toward TMC-1 (CP) and L134N dark clouds. We find that our model successfully"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1604.05216","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-18T15:43:59Z","cross_cats_sorted":[],"title_canon_sha256":"e9effea36f32eb154efd1daf2b2a0504d4b2deabe683d84d0473226630d1142c","abstract_canon_sha256":"4a84d868842b8ff217d33b93f6b7b782da32079251f89d8c2ebf051c3fc2b929"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:55.291382Z","signature_b64":"QgNdOgINd984CW8iFBLPaXSn5yQvfMb0GUdWvZ4Ms3TTKexXcWEuwwRJauoxMY0RQKAy5hAhMf6INCmJrkqPCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1236e1dbe5fb5fc31ee9cb958fcc6359b9aaf9ec0912c587d007623b43bb53d7","last_reissued_at":"2026-05-18T01:16:55.290621Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:55.290621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gas and grain chemical composition in cold cores as predicted by the Nautilus 3-phase model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Franck Hersant, Maxime Ruaud, Valentine Wakelam","submitted_at":"2016-04-18T15:43:59Z","abstract_excerpt":"We present an extended version of the 2-phase gas-grain code NAUTILUS to the 3-phase modelling of gas and grain chemistry of cold cores. In this model, both the mantle and the surface are considered as chemically active. We also take into account the competition among reaction, diffusion and evaporation. The model predictions are confronted to ice observations in the envelope of low-mass and massive young stellar objects as well as toward background stars. Modelled gas-phase abundances are compared to species observed toward TMC-1 (CP) and L134N dark clouds. We find that our model successfully"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05216","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1604.05216","created_at":"2026-05-18T01:16:55.290747+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.05216v1","created_at":"2026-05-18T01:16:55.290747+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05216","created_at":"2026-05-18T01:16:55.290747+00:00"},{"alias_kind":"pith_short_12","alias_value":"CI3ODW7F7NP4","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_16","alias_value":"CI3ODW7F7NP4GHXJ","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_8","alias_value":"CI3ODW7F","created_at":"2026-05-18T12:30:09.641336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG","json":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG.json","graph_json":"https://pith.science/api/pith-number/CI3ODW7F7NP4GHXJZOKY7TDDLG/graph.json","events_json":"https://pith.science/api/pith-number/CI3ODW7F7NP4GHXJZOKY7TDDLG/events.json","paper":"https://pith.science/paper/CI3ODW7F"},"agent_actions":{"view_html":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG","download_json":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG.json","view_paper":"https://pith.science/paper/CI3ODW7F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.05216&json=true","fetch_graph":"https://pith.science/api/pith-number/CI3ODW7F7NP4GHXJZOKY7TDDLG/graph.json","fetch_events":"https://pith.science/api/pith-number/CI3ODW7F7NP4GHXJZOKY7TDDLG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG/action/storage_attestation","attest_author":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG/action/author_attestation","sign_citation":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG/action/citation_signature","submit_replication":"https://pith.science/pith/CI3ODW7F7NP4GHXJZOKY7TDDLG/action/replication_record"}},"created_at":"2026-05-18T01:16:55.290747+00:00","updated_at":"2026-05-18T01:16:55.290747+00:00"}