{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:P3YMMMF4UQXTF66AQQKGXCMP5J","short_pith_number":"pith:P3YMMMF4","schema_version":"1.0","canonical_sha256":"7ef0c630bca42f32fbc084146b898fea58c507985480317af378d5322753cf78","source":{"kind":"arxiv","id":"1512.02327","version":1},"attestation_state":"computed","paper":{"title":"Spectral Line Survey toward Molecular Clouds in the Large Magellanic Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akiko Kawamura, Nami Sakai, Satoshi Yamamoto, Takashi Shimonishi, Yoshimasa Watanabe, Yuri Aikawa, Yuri Nishimura","submitted_at":"2015-12-08T04:56:37Z","abstract_excerpt":"Spectral line survey observations of 7 molecular clouds in the Large Magellanic Cloud (LMC) have been conducted in the 3 mm band with the Mopra 22 m telescope to reveal chemical compositions in low metallicity conditions. Spectral lines of fundamental species such as CS, SO, CCH, HCN, HCO+, and HNC are detected in addition to those of CO and 13CO, while CH3OH is not detected in any source and N2H+ is marginally detected in two sources. The molecular-cloud scale (10 pc scale) chemical composition is found to be similar among the 7 sources regardless of different star formation activities, and h"},"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":"1512.02327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-08T04:56:37Z","cross_cats_sorted":[],"title_canon_sha256":"2cc1a746e21bd0ed91e71566c07b8bd04d20047bae8a6081cba7deddf16bf2bd","abstract_canon_sha256":"ccdff7be5261fc590312eaac3758e07cb13cdebf37e331e620d6a928472334c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:25.820501Z","signature_b64":"6KI52126lhKGXqLUNlFsBJGE6YFoHhziKvWFlZNkaVGnLuuSVl+NscLLfCenkvc6E03CtfENqTCGtdD5Cf2hCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ef0c630bca42f32fbc084146b898fea58c507985480317af378d5322753cf78","last_reissued_at":"2026-05-18T01:19:25.819721Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:25.819721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral Line Survey toward Molecular Clouds in the Large Magellanic Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akiko Kawamura, Nami Sakai, Satoshi Yamamoto, Takashi Shimonishi, Yoshimasa Watanabe, Yuri Aikawa, Yuri Nishimura","submitted_at":"2015-12-08T04:56:37Z","abstract_excerpt":"Spectral line survey observations of 7 molecular clouds in the Large Magellanic Cloud (LMC) have been conducted in the 3 mm band with the Mopra 22 m telescope to reveal chemical compositions in low metallicity conditions. Spectral lines of fundamental species such as CS, SO, CCH, HCN, HCO+, and HNC are detected in addition to those of CO and 13CO, while CH3OH is not detected in any source and N2H+ is marginally detected in two sources. The molecular-cloud scale (10 pc scale) chemical composition is found to be similar among the 7 sources regardless of different star formation activities, and h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.02327","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":"1512.02327","created_at":"2026-05-18T01:19:25.819839+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.02327v1","created_at":"2026-05-18T01:19:25.819839+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.02327","created_at":"2026-05-18T01:19:25.819839+00:00"},{"alias_kind":"pith_short_12","alias_value":"P3YMMMF4UQXT","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_16","alias_value":"P3YMMMF4UQXTF66A","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_8","alias_value":"P3YMMMF4","created_at":"2026-05-18T12:29:34.919912+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/P3YMMMF4UQXTF66AQQKGXCMP5J","json":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J.json","graph_json":"https://pith.science/api/pith-number/P3YMMMF4UQXTF66AQQKGXCMP5J/graph.json","events_json":"https://pith.science/api/pith-number/P3YMMMF4UQXTF66AQQKGXCMP5J/events.json","paper":"https://pith.science/paper/P3YMMMF4"},"agent_actions":{"view_html":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J","download_json":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J.json","view_paper":"https://pith.science/paper/P3YMMMF4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.02327&json=true","fetch_graph":"https://pith.science/api/pith-number/P3YMMMF4UQXTF66AQQKGXCMP5J/graph.json","fetch_events":"https://pith.science/api/pith-number/P3YMMMF4UQXTF66AQQKGXCMP5J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J/action/storage_attestation","attest_author":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J/action/author_attestation","sign_citation":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J/action/citation_signature","submit_replication":"https://pith.science/pith/P3YMMMF4UQXTF66AQQKGXCMP5J/action/replication_record"}},"created_at":"2026-05-18T01:19:25.819839+00:00","updated_at":"2026-05-18T01:19:25.819839+00:00"}