{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:KO33VD4CNTIL7SGPH7TJD5WGTB","short_pith_number":"pith:KO33VD4C","schema_version":"1.0","canonical_sha256":"53b7ba8f826cd0bfc8cf3fe691f6c698625c353207f5f21d99d41821e60352f8","source":{"kind":"arxiv","id":"2109.07889","version":1},"attestation_state":"computed","paper":{"title":"First detection of C$_2$H$_5$NCO in the ISM and search of other isocyanates towards the G+0.693-0.027 molecular cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Tercero, F. Rico-Villas, I. Jim\\'enez-Serra, J. Mart\\'in-Pintado, L. Colzi, L.F. Rodr\\'iguez Almeida, M. A. Requena-Torres, M. Melosso, P. de Vicente, S. Mart\\'in, S. Zeng, V.M. Rivilla","submitted_at":"2021-09-16T11:42:19Z","abstract_excerpt":"Little is known about the chemistry of isocyanates (compounds with the functional group R-N=C=O) in the interstellar medium, as only four of them have been detected so far: isocyanate radical (NCO), isocyanic acid (HNCO), N-protonated isocyanic acid (H$_2$NCO$^+$) and methyl isocyanate (CH$_3$NCO). The molecular cloud G+0.693-0.027, located in the Galactic Centre, represents an excellent candidate to search for new isocyanates since it exhibits high abundances of the simplest ones, HNCO and CH$_3$NCO. After CH$_3$NCO, the next complex isocyanates are ethyl isocyanate (C$_2$H$_5$NCO) and vinyl "},"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":"2109.07889","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-16T11:42:19Z","cross_cats_sorted":[],"title_canon_sha256":"0cd9141448dcf9f8eb8acacdc9b4b787a02bfa5fc49241066a7ae796b2567551","abstract_canon_sha256":"efb38520909ccb9ed018a44e3bae4059760393c8efd1d730d3f48c6b9ba7c787"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:19:22.194448Z","signature_b64":"l6v1Xo1HA6vDjv2Gz5xUMnxKHP70muXFFa3oNblMQGfIc1vrDpCGaS3ss76pVCVDl1V0SSxuDU8JYmxD38a6Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53b7ba8f826cd0bfc8cf3fe691f6c698625c353207f5f21d99d41821e60352f8","last_reissued_at":"2026-07-05T03:19:22.193977Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:19:22.193977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First detection of C$_2$H$_5$NCO in the ISM and search of other isocyanates towards the G+0.693-0.027 molecular cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Tercero, F. Rico-Villas, I. Jim\\'enez-Serra, J. Mart\\'in-Pintado, L. Colzi, L.F. Rodr\\'iguez Almeida, M. A. Requena-Torres, M. Melosso, P. de Vicente, S. Mart\\'in, S. Zeng, V.M. Rivilla","submitted_at":"2021-09-16T11:42:19Z","abstract_excerpt":"Little is known about the chemistry of isocyanates (compounds with the functional group R-N=C=O) in the interstellar medium, as only four of them have been detected so far: isocyanate radical (NCO), isocyanic acid (HNCO), N-protonated isocyanic acid (H$_2$NCO$^+$) and methyl isocyanate (CH$_3$NCO). The molecular cloud G+0.693-0.027, located in the Galactic Centre, represents an excellent candidate to search for new isocyanates since it exhibits high abundances of the simplest ones, HNCO and CH$_3$NCO. After CH$_3$NCO, the next complex isocyanates are ethyl isocyanate (C$_2$H$_5$NCO) and vinyl "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.07889","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/2109.07889/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":"2109.07889","created_at":"2026-07-05T03:19:22.194041+00:00"},{"alias_kind":"arxiv_version","alias_value":"2109.07889v1","created_at":"2026-07-05T03:19:22.194041+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.07889","created_at":"2026-07-05T03:19:22.194041+00:00"},{"alias_kind":"pith_short_12","alias_value":"KO33VD4CNTIL","created_at":"2026-07-05T03:19:22.194041+00:00"},{"alias_kind":"pith_short_16","alias_value":"KO33VD4CNTIL7SGP","created_at":"2026-07-05T03:19:22.194041+00:00"},{"alias_kind":"pith_short_8","alias_value":"KO33VD4C","created_at":"2026-07-05T03:19:22.194041+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/KO33VD4CNTIL7SGPH7TJD5WGTB","json":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB.json","graph_json":"https://pith.science/api/pith-number/KO33VD4CNTIL7SGPH7TJD5WGTB/graph.json","events_json":"https://pith.science/api/pith-number/KO33VD4CNTIL7SGPH7TJD5WGTB/events.json","paper":"https://pith.science/paper/KO33VD4C"},"agent_actions":{"view_html":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB","download_json":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB.json","view_paper":"https://pith.science/paper/KO33VD4C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2109.07889&json=true","fetch_graph":"https://pith.science/api/pith-number/KO33VD4CNTIL7SGPH7TJD5WGTB/graph.json","fetch_events":"https://pith.science/api/pith-number/KO33VD4CNTIL7SGPH7TJD5WGTB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB/action/storage_attestation","attest_author":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB/action/author_attestation","sign_citation":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB/action/citation_signature","submit_replication":"https://pith.science/pith/KO33VD4CNTIL7SGPH7TJD5WGTB/action/replication_record"}},"created_at":"2026-07-05T03:19:22.194041+00:00","updated_at":"2026-07-05T03:19:22.194041+00:00"}