{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:MSSX5Z5VNDLDKZWWD2KCOFPFDI","short_pith_number":"pith:MSSX5Z5V","schema_version":"1.0","canonical_sha256":"64a57ee7b568d63566d61e942715e51a16cee8c1c56a280f2e5530c23a620cc7","source":{"kind":"arxiv","id":"1802.08325","version":1},"attestation_state":"computed","paper":{"title":"Chemical complexity in local diffuse and translucent clouds: ubiquitous l-C3H and CH3CN, a detection of HC3N and an upper limit on the abundance of CH2CN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anthony Beasley, Harvey Liszt, Jerome Pety, Maryvonne Gerin","submitted_at":"2018-02-22T22:17:08Z","abstract_excerpt":"We present Jansky Very Large Array observations of 20 - 37 GHz absorption lines from nearby Galactic diffuse molecular gas seen against four cosmologically-distant compact radio continuum sources. The main new observational results are that \\linearC3H\\ and \\methCN\\ are ubiqitous in the local diffuse molecular interstellar medium at \\AV\\ $\\la 1$ while HC$_3$N was seen only toward B0415 at \\AV\\ $>$ 4 mag. The linear/cyclic ratio is much larger in C$_3$H than in C$_3$\\HH\\ and the ratio \\methCN/HCN is enhanced compared to TMC-1, although not as much as toward the Horsehead Nebula. More consequenti"},"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":"1802.08325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-22T22:17:08Z","cross_cats_sorted":[],"title_canon_sha256":"b6df81be36ea5548a192de9310c141755adcf64999f6099b820a7a833a58d73c","abstract_canon_sha256":"8e150f687dbad4fffcf0b38d1d97ec65792b730f27593de237bcdb735c18ce9a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:10.962628Z","signature_b64":"d1d+NnccKul1V1NGM+SnBZI1+CdYIIdamLSOiAv5OvGrfKDE/gNP0Fq2xLaWq0JSXd6INgBxadjPWr2vxoRvBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64a57ee7b568d63566d61e942715e51a16cee8c1c56a280f2e5530c23a620cc7","last_reissued_at":"2026-05-18T00:18:10.961914Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:10.961914Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemical complexity in local diffuse and translucent clouds: ubiquitous l-C3H and CH3CN, a detection of HC3N and an upper limit on the abundance of CH2CN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anthony Beasley, Harvey Liszt, Jerome Pety, Maryvonne Gerin","submitted_at":"2018-02-22T22:17:08Z","abstract_excerpt":"We present Jansky Very Large Array observations of 20 - 37 GHz absorption lines from nearby Galactic diffuse molecular gas seen against four cosmologically-distant compact radio continuum sources. The main new observational results are that \\linearC3H\\ and \\methCN\\ are ubiqitous in the local diffuse molecular interstellar medium at \\AV\\ $\\la 1$ while HC$_3$N was seen only toward B0415 at \\AV\\ $>$ 4 mag. The linear/cyclic ratio is much larger in C$_3$H than in C$_3$\\HH\\ and the ratio \\methCN/HCN is enhanced compared to TMC-1, although not as much as toward the Horsehead Nebula. More consequenti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.08325","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":"1802.08325","created_at":"2026-05-18T00:18:10.962026+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.08325v1","created_at":"2026-05-18T00:18:10.962026+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.08325","created_at":"2026-05-18T00:18:10.962026+00:00"},{"alias_kind":"pith_short_12","alias_value":"MSSX5Z5VNDLD","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"MSSX5Z5VNDLDKZWW","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"MSSX5Z5V","created_at":"2026-05-18T12:32:40.477152+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/MSSX5Z5VNDLDKZWWD2KCOFPFDI","json":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI.json","graph_json":"https://pith.science/api/pith-number/MSSX5Z5VNDLDKZWWD2KCOFPFDI/graph.json","events_json":"https://pith.science/api/pith-number/MSSX5Z5VNDLDKZWWD2KCOFPFDI/events.json","paper":"https://pith.science/paper/MSSX5Z5V"},"agent_actions":{"view_html":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI","download_json":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI.json","view_paper":"https://pith.science/paper/MSSX5Z5V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.08325&json=true","fetch_graph":"https://pith.science/api/pith-number/MSSX5Z5VNDLDKZWWD2KCOFPFDI/graph.json","fetch_events":"https://pith.science/api/pith-number/MSSX5Z5VNDLDKZWWD2KCOFPFDI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI/action/storage_attestation","attest_author":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI/action/author_attestation","sign_citation":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI/action/citation_signature","submit_replication":"https://pith.science/pith/MSSX5Z5VNDLDKZWWD2KCOFPFDI/action/replication_record"}},"created_at":"2026-05-18T00:18:10.962026+00:00","updated_at":"2026-05-18T00:18:10.962026+00:00"}