{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:S6LPDPN23UTMF5YJM63XJFVKAV","short_pith_number":"pith:S6LPDPN2","schema_version":"1.0","canonical_sha256":"9796f1bdbadd26c2f70967b77496aa0552b72aa28f87f5d05d5985bcc6692d74","source":{"kind":"arxiv","id":"1709.05895","version":1},"attestation_state":"computed","paper":{"title":"ALMA imaging of C2H emission in the disk of NGC1068","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Alonso-Herrero, A. Fuente, A. Usero, C. Henkel, C. Ramos Almeida, F. Combes, F. Costagliola, L. J. Tacconi, L. K. Hunt, M. Krips, M. Querejeta, P. P. van der Werf, R. Aladro, R. Neri, S. Aalto, S. Garcia-Burillo, S. Martin, S. Viti, V. Casasola","submitted_at":"2017-09-18T12:34:01Z","abstract_excerpt":"We study the feedback of star formation and nuclear activity on the chemistry of molecular gas in NGC1068, a nearby (D=14Mpc) Seyfert 2 barred galaxy, by analyzing if the abundances of key molecular species like ethynyl (C2H), a classical tracer of PDR, change in the different environments of the disk of the galaxy. We have used ALMA to map the emission of the hyperfine multiplet of C2H(N=1-0) and its underlying continuum emission in the central r~35\"(2.5kpc)-region of the disk of NGC1068 with a spatial resolution 1.0\"x0.7\"(50-70pc). We have developed a set of time-dependent chemical models to"},"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":"1709.05895","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-18T12:34:01Z","cross_cats_sorted":[],"title_canon_sha256":"fd3ac9abbded1d55ba9b29641ebe3dc720a4534bb1c4af30b7bec3e15ee72a36","abstract_canon_sha256":"6b2a01691a6f39696aef2c977e3e98d3f7c0b94ec06227f84e4548e885f6821f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:44.566374Z","signature_b64":"ryhgEfQsMZLfp+C0/z4aycljJHG36wIt0v7AjRSUFioDWNUZVVpg22dWpRZnAZfQS04w/VFizp6oPgG4RJtiAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9796f1bdbadd26c2f70967b77496aa0552b72aa28f87f5d05d5985bcc6692d74","last_reissued_at":"2026-05-18T00:28:44.565685Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:44.565685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ALMA imaging of C2H emission in the disk of NGC1068","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Alonso-Herrero, A. Fuente, A. Usero, C. Henkel, C. Ramos Almeida, F. Combes, F. Costagliola, L. J. Tacconi, L. K. Hunt, M. Krips, M. Querejeta, P. P. van der Werf, R. Aladro, R. Neri, S. Aalto, S. Garcia-Burillo, S. Martin, S. Viti, V. Casasola","submitted_at":"2017-09-18T12:34:01Z","abstract_excerpt":"We study the feedback of star formation and nuclear activity on the chemistry of molecular gas in NGC1068, a nearby (D=14Mpc) Seyfert 2 barred galaxy, by analyzing if the abundances of key molecular species like ethynyl (C2H), a classical tracer of PDR, change in the different environments of the disk of the galaxy. We have used ALMA to map the emission of the hyperfine multiplet of C2H(N=1-0) and its underlying continuum emission in the central r~35\"(2.5kpc)-region of the disk of NGC1068 with a spatial resolution 1.0\"x0.7\"(50-70pc). We have developed a set of time-dependent chemical models to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05895","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":"1709.05895","created_at":"2026-05-18T00:28:44.565798+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.05895v1","created_at":"2026-05-18T00:28:44.565798+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05895","created_at":"2026-05-18T00:28:44.565798+00:00"},{"alias_kind":"pith_short_12","alias_value":"S6LPDPN23UTM","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"S6LPDPN23UTMF5YJ","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"S6LPDPN2","created_at":"2026-05-18T12:31:43.269735+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.18438","citing_title":"Velocity-resolved [O I] 63,145 um, [C II] 158 um, and OH mapping along the Orion BN/KL explosive outflow and irradiated shocks","ref_index":213,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV","json":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV.json","graph_json":"https://pith.science/api/pith-number/S6LPDPN23UTMF5YJM63XJFVKAV/graph.json","events_json":"https://pith.science/api/pith-number/S6LPDPN23UTMF5YJM63XJFVKAV/events.json","paper":"https://pith.science/paper/S6LPDPN2"},"agent_actions":{"view_html":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV","download_json":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV.json","view_paper":"https://pith.science/paper/S6LPDPN2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.05895&json=true","fetch_graph":"https://pith.science/api/pith-number/S6LPDPN23UTMF5YJM63XJFVKAV/graph.json","fetch_events":"https://pith.science/api/pith-number/S6LPDPN23UTMF5YJM63XJFVKAV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV/action/storage_attestation","attest_author":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV/action/author_attestation","sign_citation":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV/action/citation_signature","submit_replication":"https://pith.science/pith/S6LPDPN23UTMF5YJM63XJFVKAV/action/replication_record"}},"created_at":"2026-05-18T00:28:44.565798+00:00","updated_at":"2026-05-18T00:28:44.565798+00:00"}