{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:XUDA5YSALXUOEFMNT4ABJFU2NI","short_pith_number":"pith:XUDA5YSA","schema_version":"1.0","canonical_sha256":"bd060ee2405de8e2158d9f0014969a6a10c27307a0d6ccb0ee2ffcf62a767dac","source":{"kind":"arxiv","id":"1405.7839","version":1},"attestation_state":"computed","paper":{"title":"Vacuum-UV absorption spectroscopy of interstellar ice analogues. III. Isotopic effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA","cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"astro-ph.SR","authors_text":"G. A. Cruz-Diaz, G. M. Mu\\~noz Caro, Y.-J. Chen","submitted_at":"2014-05-30T12:41:31Z","abstract_excerpt":"This paper reports the first measurements of solid-phase vacuum-ultraviolet (VUV) absorption cross-sections of heavy isotopologues present in icy dust grain mantles of dense interstellar clouds and cold circumstellar environments. Pure ices composed of D2O, CD3OD, 13CO2, and 15N15N were deposited at 8 K, a value similar to the coldest dust temperatures in space. The column density of the ice samples was measured in situ by infrared spectroscopy in transmittance. VUV spectra of the ice samples were collected in the 120-160 nm (10.33-7.74 eV) range using a commercial microwave discharged hydroge"},"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":"1405.7839","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-05-30T12:41:31Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA","cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"287a0754c153622bfcd470f52f1c6a4e6acbd456aedd3be23cdb974c39a9b8af","abstract_canon_sha256":"2ffe81d67cb9c075890d7ea96538de5d77f4d58ead2f7ef5bcc3bdf2e1967a7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:49.694945Z","signature_b64":"vMx34RGRHMQk8g2/eNudxpaZQIsMqE05mjAtsBGsfoIfMbmJHLXFZIo7UadDhxp5RZbNBhVSLDRhksOzXQ7OBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd060ee2405de8e2158d9f0014969a6a10c27307a0d6ccb0ee2ffcf62a767dac","last_reissued_at":"2026-05-18T02:50:49.694208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:49.694208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Vacuum-UV absorption spectroscopy of interstellar ice analogues. III. Isotopic effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA","cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"astro-ph.SR","authors_text":"G. A. Cruz-Diaz, G. M. Mu\\~noz Caro, Y.-J. Chen","submitted_at":"2014-05-30T12:41:31Z","abstract_excerpt":"This paper reports the first measurements of solid-phase vacuum-ultraviolet (VUV) absorption cross-sections of heavy isotopologues present in icy dust grain mantles of dense interstellar clouds and cold circumstellar environments. Pure ices composed of D2O, CD3OD, 13CO2, and 15N15N were deposited at 8 K, a value similar to the coldest dust temperatures in space. The column density of the ice samples was measured in situ by infrared spectroscopy in transmittance. VUV spectra of the ice samples were collected in the 120-160 nm (10.33-7.74 eV) range using a commercial microwave discharged hydroge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7839","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":"1405.7839","created_at":"2026-05-18T02:50:49.694331+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.7839v1","created_at":"2026-05-18T02:50:49.694331+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7839","created_at":"2026-05-18T02:50:49.694331+00:00"},{"alias_kind":"pith_short_12","alias_value":"XUDA5YSALXUO","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_16","alias_value":"XUDA5YSALXUOEFMN","created_at":"2026-05-18T12:28:57.508820+00:00"},{"alias_kind":"pith_short_8","alias_value":"XUDA5YSA","created_at":"2026-05-18T12:28:57.508820+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/XUDA5YSALXUOEFMNT4ABJFU2NI","json":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI.json","graph_json":"https://pith.science/api/pith-number/XUDA5YSALXUOEFMNT4ABJFU2NI/graph.json","events_json":"https://pith.science/api/pith-number/XUDA5YSALXUOEFMNT4ABJFU2NI/events.json","paper":"https://pith.science/paper/XUDA5YSA"},"agent_actions":{"view_html":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI","download_json":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI.json","view_paper":"https://pith.science/paper/XUDA5YSA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.7839&json=true","fetch_graph":"https://pith.science/api/pith-number/XUDA5YSALXUOEFMNT4ABJFU2NI/graph.json","fetch_events":"https://pith.science/api/pith-number/XUDA5YSALXUOEFMNT4ABJFU2NI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI/action/storage_attestation","attest_author":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI/action/author_attestation","sign_citation":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI/action/citation_signature","submit_replication":"https://pith.science/pith/XUDA5YSALXUOEFMNT4ABJFU2NI/action/replication_record"}},"created_at":"2026-05-18T02:50:49.694331+00:00","updated_at":"2026-05-18T02:50:49.694331+00:00"}