{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:CHM4DDSP7UVXKPQV5OMSLCGBPZ","short_pith_number":"pith:CHM4DDSP","schema_version":"1.0","canonical_sha256":"11d9c18e4ffd2b753e15eb992588c17e5ebcd37a7c46a36338c3136cd5fc3585","source":{"kind":"arxiv","id":"1906.09932","version":1},"attestation_state":"computed","paper":{"title":"Abundances of sulphur molecules in the Horsehead nebula. First NS+ detection in a photodissociation region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Fuente, E. Roueff, J. C. Loison, J. Pety, J. R. Goicoechea, M. Gerin, P. Gratier, P. Rivi\\`ere-Marichalar, R. Le Gal, V. Guzm\\'an, V. Wakelam","submitted_at":"2019-06-24T13:24:23Z","abstract_excerpt":"Aims. Our goal is to complete the inventory of S-bearing molecules and their abundances in the prototypical photodissociation region (PDR) the Horsehead nebula to gain insight into sulphur chemistry in UV irradiated regions. Based on the WHISPER millimeter (mm) line survey, our goal is to provide an improved and more accurate description of sulphur species and their abundances towards the core and PDR positions in the Horsehead.\n  Methods. The Monte Carlo Markov chain (MCMC) methodology and the molecular excitation and radiative transfer code RADEX were used to explore the parameter space and "},"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":"1906.09932","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-24T13:24:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"c7b32a7787fe8228abfe0510a3c5fc2c992bad9eff936a0e003ac37d0f331412","abstract_canon_sha256":"6e060a2b2806a785029c9e2f1307f82c44e95fc67a4e7809136e1e8eed4cfa8c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:50:41.323868Z","signature_b64":"3fjhEiirnok1uD0lFR4hQJyEpXvY9becwCsNgfLqHkcHQghhwISJwWJe9qKYzEEMFemtjB4dp1b9iLaMf3GQAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11d9c18e4ffd2b753e15eb992588c17e5ebcd37a7c46a36338c3136cd5fc3585","last_reissued_at":"2026-07-04T23:50:41.323397Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:50:41.323397Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Abundances of sulphur molecules in the Horsehead nebula. First NS+ detection in a photodissociation region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Fuente, E. Roueff, J. C. Loison, J. Pety, J. R. Goicoechea, M. Gerin, P. Gratier, P. Rivi\\`ere-Marichalar, R. Le Gal, V. Guzm\\'an, V. Wakelam","submitted_at":"2019-06-24T13:24:23Z","abstract_excerpt":"Aims. Our goal is to complete the inventory of S-bearing molecules and their abundances in the prototypical photodissociation region (PDR) the Horsehead nebula to gain insight into sulphur chemistry in UV irradiated regions. Based on the WHISPER millimeter (mm) line survey, our goal is to provide an improved and more accurate description of sulphur species and their abundances towards the core and PDR positions in the Horsehead.\n  Methods. The Monte Carlo Markov chain (MCMC) methodology and the molecular excitation and radiative transfer code RADEX were used to explore the parameter space and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.09932","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/1906.09932/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":"1906.09932","created_at":"2026-07-04T23:50:41.323453+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.09932v1","created_at":"2026-07-04T23:50:41.323453+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.09932","created_at":"2026-07-04T23:50:41.323453+00:00"},{"alias_kind":"pith_short_12","alias_value":"CHM4DDSP7UVX","created_at":"2026-07-04T23:50:41.323453+00:00"},{"alias_kind":"pith_short_16","alias_value":"CHM4DDSP7UVXKPQV","created_at":"2026-07-04T23:50:41.323453+00:00"},{"alias_kind":"pith_short_8","alias_value":"CHM4DDSP","created_at":"2026-07-04T23:50:41.323453+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/CHM4DDSP7UVXKPQV5OMSLCGBPZ","json":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ.json","graph_json":"https://pith.science/api/pith-number/CHM4DDSP7UVXKPQV5OMSLCGBPZ/graph.json","events_json":"https://pith.science/api/pith-number/CHM4DDSP7UVXKPQV5OMSLCGBPZ/events.json","paper":"https://pith.science/paper/CHM4DDSP"},"agent_actions":{"view_html":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ","download_json":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ.json","view_paper":"https://pith.science/paper/CHM4DDSP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.09932&json=true","fetch_graph":"https://pith.science/api/pith-number/CHM4DDSP7UVXKPQV5OMSLCGBPZ/graph.json","fetch_events":"https://pith.science/api/pith-number/CHM4DDSP7UVXKPQV5OMSLCGBPZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ/action/storage_attestation","attest_author":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ/action/author_attestation","sign_citation":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ/action/citation_signature","submit_replication":"https://pith.science/pith/CHM4DDSP7UVXKPQV5OMSLCGBPZ/action/replication_record"}},"created_at":"2026-07-04T23:50:41.323453+00:00","updated_at":"2026-07-04T23:50:41.323453+00:00"}