{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:4L762KRECPOXSEHFPEX4O7NPUC","short_pith_number":"pith:4L762KRE","schema_version":"1.0","canonical_sha256":"e2ffed2a2413dd7910e5792fc77dafa0a4479cd830684dc06e06faf5cc081a28","source":{"kind":"arxiv","id":"1904.10895","version":2},"attestation_state":"computed","paper":{"title":"Sulfur Chemistry in L1157-B1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Cecilia Ceccarelli, Claudio Codella, Francesco Fontani, Izaskun Jimenez-Serra, Jonathan Holdship, Linda Podio, Mario Tafalla, Milena Benedettini, Rafael Bachiller, Serena Viti","submitted_at":"2019-04-24T16:05:14Z","abstract_excerpt":"The main carrier of sulfur in dense clouds, where it is depleted from the gas phase, remains a mystery. Shock waves in young molecular outflows disrupt the ice mantles and allow us to directly probe the material that is ejected into the gas phase. A comprehensive study of sulfur-bearing species towards L1157-B1, a shocked region along a protostellar outflow, has been carried out as part of the IRAM-30m large program ASAI. The dataset contains over 100 lines of CCS, H$_2$CS, OCS, SO, SO$_2$ and isotopologues. The results of these observations are presented, complementing previous studies of sul"},"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":"1904.10895","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-04-24T16:05:14Z","cross_cats_sorted":[],"title_canon_sha256":"1cd2bca5122fe3e2f46660de4353b5b076fee1a071d47c7f3bc9a3b21e1b43be","abstract_canon_sha256":"60a68fec466bc427bfac86c19c196f0191c04af4253f5b831f708eb7b364cba6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:02.400236Z","signature_b64":"0JN6Hf4N0/TTnZBbMAQcVZhxS2QGSbQOQYtkzvHEdBPU+gO0qJi1awh4B+AYxj9hBoKpbh3AFPWHVvTNRfsEDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2ffed2a2413dd7910e5792fc77dafa0a4479cd830684dc06e06faf5cc081a28","last_reissued_at":"2026-05-17T23:43:02.399702Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:02.399702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sulfur Chemistry in L1157-B1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Cecilia Ceccarelli, Claudio Codella, Francesco Fontani, Izaskun Jimenez-Serra, Jonathan Holdship, Linda Podio, Mario Tafalla, Milena Benedettini, Rafael Bachiller, Serena Viti","submitted_at":"2019-04-24T16:05:14Z","abstract_excerpt":"The main carrier of sulfur in dense clouds, where it is depleted from the gas phase, remains a mystery. Shock waves in young molecular outflows disrupt the ice mantles and allow us to directly probe the material that is ejected into the gas phase. A comprehensive study of sulfur-bearing species towards L1157-B1, a shocked region along a protostellar outflow, has been carried out as part of the IRAM-30m large program ASAI. The dataset contains over 100 lines of CCS, H$_2$CS, OCS, SO, SO$_2$ and isotopologues. The results of these observations are presented, complementing previous studies of sul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10895","kind":"arxiv","version":2},"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":"1904.10895","created_at":"2026-05-17T23:43:02.399786+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.10895v2","created_at":"2026-05-17T23:43:02.399786+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10895","created_at":"2026-05-17T23:43:02.399786+00:00"},{"alias_kind":"pith_short_12","alias_value":"4L762KRECPOX","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"4L762KRECPOXSEHF","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"4L762KRE","created_at":"2026-05-18T12:33:10.108867+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/4L762KRECPOXSEHFPEX4O7NPUC","json":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC.json","graph_json":"https://pith.science/api/pith-number/4L762KRECPOXSEHFPEX4O7NPUC/graph.json","events_json":"https://pith.science/api/pith-number/4L762KRECPOXSEHFPEX4O7NPUC/events.json","paper":"https://pith.science/paper/4L762KRE"},"agent_actions":{"view_html":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC","download_json":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC.json","view_paper":"https://pith.science/paper/4L762KRE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.10895&json=true","fetch_graph":"https://pith.science/api/pith-number/4L762KRECPOXSEHFPEX4O7NPUC/graph.json","fetch_events":"https://pith.science/api/pith-number/4L762KRECPOXSEHFPEX4O7NPUC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC/action/storage_attestation","attest_author":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC/action/author_attestation","sign_citation":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC/action/citation_signature","submit_replication":"https://pith.science/pith/4L762KRECPOXSEHFPEX4O7NPUC/action/replication_record"}},"created_at":"2026-05-17T23:43:02.399786+00:00","updated_at":"2026-05-17T23:43:02.399786+00:00"}