{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:J4GFZYUWFAMDETZON7J72YM2YM","short_pith_number":"pith:J4GFZYUW","schema_version":"1.0","canonical_sha256":"4f0c5ce2962818324f2e6fd3fd619ac31a385d4d58fbf98cb4506a584034597d","source":{"kind":"arxiv","id":"2310.08389","version":1},"attestation_state":"computed","paper":{"title":"Modelling Deuterated Isotopologues of Methanol toward the Pre-Stellar Core L1544","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"060-0819, 19 Mira street, (2) Ural Federal University, (3) CY Cergy Paris Universit\\'e, (4) Institute of Low Temperature Science, 620002, 85748 Garching bei M\\\"unchen, A.I. Vasyunin (2), CNRS, E. Redaelli (1), F-95000 Cergy, F. Dulieu (3), France, Germany, Gie{\\ss}enbachstra{\\ss}e 1, Hokkaido, Hokkaido University, Japan), LERMA, N. Watanabe (4) ((1) Max-Planck-Institut f\\\"ur extraterrestrische Physik, Observatoire de Paris, O.Sipil\\\"a (1), P. Caselli (1), PSL University, Russia, Sapporo, Sorbonne Universit\\'e, W. Riedel (1), Yekaterinburg","submitted_at":"2023-10-12T15:00:06Z","abstract_excerpt":"Aims. We aim to improve a previous model for the prediction of column densities and deuterium fractions of non- and singly deuterated methanol. Thereby, we try to identify crucial chemical and physical parameters, for which the study of deuteration could provide valuable additional constraints.\n  Methods. We employed a gas-grain chemical code to devise a model that is in agreement with the observed column density and deuterium fraction profiles of the innermost region of the pre-stellar core L1544. For that purpose, we developed a new treatment of reactive desorption, deriving an individual re"},"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":"2310.08389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-12T15:00:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"3ef80322166f47e81ce8663f95916bef14b7fe35acfc51fb2caa980e16cf51f4","abstract_canon_sha256":"f63181a9a5226e107b9cc37e6eefcac2ed158525d99f98fbdca2e3837712dc2b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:25:46.622126Z","signature_b64":"pCBMv1OuTOCkfliKBiXLLddoZE+SKzAwRziIQwT/7DalW/JA20l4caM9s/I5fRLI64FOVBa/MJYVK5rO5sHDCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f0c5ce2962818324f2e6fd3fd619ac31a385d4d58fbf98cb4506a584034597d","last_reissued_at":"2026-07-05T07:25:46.621645Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:25:46.621645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modelling Deuterated Isotopologues of Methanol toward the Pre-Stellar Core L1544","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"060-0819, 19 Mira street, (2) Ural Federal University, (3) CY Cergy Paris Universit\\'e, (4) Institute of Low Temperature Science, 620002, 85748 Garching bei M\\\"unchen, A.I. Vasyunin (2), CNRS, E. Redaelli (1), F-95000 Cergy, F. Dulieu (3), France, Germany, Gie{\\ss}enbachstra{\\ss}e 1, Hokkaido, Hokkaido University, Japan), LERMA, N. Watanabe (4) ((1) Max-Planck-Institut f\\\"ur extraterrestrische Physik, Observatoire de Paris, O.Sipil\\\"a (1), P. Caselli (1), PSL University, Russia, Sapporo, Sorbonne Universit\\'e, W. Riedel (1), Yekaterinburg","submitted_at":"2023-10-12T15:00:06Z","abstract_excerpt":"Aims. We aim to improve a previous model for the prediction of column densities and deuterium fractions of non- and singly deuterated methanol. Thereby, we try to identify crucial chemical and physical parameters, for which the study of deuteration could provide valuable additional constraints.\n  Methods. We employed a gas-grain chemical code to devise a model that is in agreement with the observed column density and deuterium fraction profiles of the innermost region of the pre-stellar core L1544. For that purpose, we developed a new treatment of reactive desorption, deriving an individual re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.08389","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/2310.08389/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2310.08389","created_at":"2026-07-05T07:25:46.621701+00:00"},{"alias_kind":"arxiv_version","alias_value":"2310.08389v1","created_at":"2026-07-05T07:25:46.621701+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.08389","created_at":"2026-07-05T07:25:46.621701+00:00"},{"alias_kind":"pith_short_12","alias_value":"J4GFZYUWFAMD","created_at":"2026-07-05T07:25:46.621701+00:00"},{"alias_kind":"pith_short_16","alias_value":"J4GFZYUWFAMDETZO","created_at":"2026-07-05T07:25:46.621701+00:00"},{"alias_kind":"pith_short_8","alias_value":"J4GFZYUW","created_at":"2026-07-05T07:25:46.621701+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/J4GFZYUWFAMDETZON7J72YM2YM","json":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM.json","graph_json":"https://pith.science/api/pith-number/J4GFZYUWFAMDETZON7J72YM2YM/graph.json","events_json":"https://pith.science/api/pith-number/J4GFZYUWFAMDETZON7J72YM2YM/events.json","paper":"https://pith.science/paper/J4GFZYUW"},"agent_actions":{"view_html":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM","download_json":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM.json","view_paper":"https://pith.science/paper/J4GFZYUW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2310.08389&json=true","fetch_graph":"https://pith.science/api/pith-number/J4GFZYUWFAMDETZON7J72YM2YM/graph.json","fetch_events":"https://pith.science/api/pith-number/J4GFZYUWFAMDETZON7J72YM2YM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM/action/storage_attestation","attest_author":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM/action/author_attestation","sign_citation":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM/action/citation_signature","submit_replication":"https://pith.science/pith/J4GFZYUWFAMDETZON7J72YM2YM/action/replication_record"}},"created_at":"2026-07-05T07:25:46.621701+00:00","updated_at":"2026-07-05T07:25:46.621701+00:00"}