{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:LSIV3XNJN5XZDN6BGW5M3DBHRX","short_pith_number":"pith:LSIV3XNJ","schema_version":"1.0","canonical_sha256":"5c915ddda96f6f91b7c135bacd8c278df58bbb80d475decac04387a5b939d7fe","source":{"kind":"arxiv","id":"1007.4701","version":1},"attestation_state":"computed","paper":{"title":"The Energetics of Molecular Gas in NGC 891 from H2 and FIR Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Univ. of Crete, (3) IAS / Univ. Paris Sud (4) IPAC/Caltech, (5) Obs. de Paris, (6) Georgia Southern Univ., (7) Univ. of Toledo), F. Boulanger (3), F. Combes (5), G.J. Stacey (1), J.D.T. Smith (7), S.J.U. Higdon (6), T. Nikola (1) ((1) Cornell Univ., V. Charmandaris (2), Yanling Wu (4)","submitted_at":"2010-07-27T12:46:15Z","abstract_excerpt":"We have studied the molecular hydrogen energetics of the edge-on spiral galaxy NGC\\,891, using a 34-position map in the lowest three pure rotational H$_2$ lines observed with the Spitzer Infrared Spectrograph. The S(0), S(1), and S(2) lines are bright with an extinction corrected total luminosity of $\\sim2.8 \\times 10^{7}$ L$_{\\odot}$, or 0.09\\% of the total-infrared luminosity of NGC\\,891. The H$_2$ line ratios are nearly constant along the plane of the galaxy -- we do not observe the previously reported strong drop-off in the S(1)/S(0) line intensity ratio in the outer regions of the galaxy,"},"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":"1007.4701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-27T12:46:15Z","cross_cats_sorted":[],"title_canon_sha256":"4bf52800d14355addffdaac3a2f9049f61be670de45a7c1f794c827c024810a1","abstract_canon_sha256":"463f5a227fbfcc76cf2a4fa98bdf595b9c813f78b2d206de66bec11a24f0aec3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:09.826506Z","signature_b64":"67rXVnIDUhlmADGrwpsUSBTy2wEjMJf53bdd6ePC9RW3TaV0a8kNY9y8XR10hpJKGvoJqgiD0WAys29PduOcAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c915ddda96f6f91b7c135bacd8c278df58bbb80d475decac04387a5b939d7fe","last_reissued_at":"2026-05-18T02:06:09.825827Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:09.825827Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Energetics of Molecular Gas in NGC 891 from H2 and FIR Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) Univ. of Crete, (3) IAS / Univ. Paris Sud (4) IPAC/Caltech, (5) Obs. de Paris, (6) Georgia Southern Univ., (7) Univ. of Toledo), F. Boulanger (3), F. Combes (5), G.J. Stacey (1), J.D.T. Smith (7), S.J.U. Higdon (6), T. Nikola (1) ((1) Cornell Univ., V. Charmandaris (2), Yanling Wu (4)","submitted_at":"2010-07-27T12:46:15Z","abstract_excerpt":"We have studied the molecular hydrogen energetics of the edge-on spiral galaxy NGC\\,891, using a 34-position map in the lowest three pure rotational H$_2$ lines observed with the Spitzer Infrared Spectrograph. The S(0), S(1), and S(2) lines are bright with an extinction corrected total luminosity of $\\sim2.8 \\times 10^{7}$ L$_{\\odot}$, or 0.09\\% of the total-infrared luminosity of NGC\\,891. The H$_2$ line ratios are nearly constant along the plane of the galaxy -- we do not observe the previously reported strong drop-off in the S(1)/S(0) line intensity ratio in the outer regions of the galaxy,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4701","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":"1007.4701","created_at":"2026-05-18T02:06:09.825922+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.4701v1","created_at":"2026-05-18T02:06:09.825922+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4701","created_at":"2026-05-18T02:06:09.825922+00:00"},{"alias_kind":"pith_short_12","alias_value":"LSIV3XNJN5XZ","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"LSIV3XNJN5XZDN6B","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"LSIV3XNJ","created_at":"2026-05-18T12:26:10.704358+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/LSIV3XNJN5XZDN6BGW5M3DBHRX","json":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX.json","graph_json":"https://pith.science/api/pith-number/LSIV3XNJN5XZDN6BGW5M3DBHRX/graph.json","events_json":"https://pith.science/api/pith-number/LSIV3XNJN5XZDN6BGW5M3DBHRX/events.json","paper":"https://pith.science/paper/LSIV3XNJ"},"agent_actions":{"view_html":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX","download_json":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX.json","view_paper":"https://pith.science/paper/LSIV3XNJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.4701&json=true","fetch_graph":"https://pith.science/api/pith-number/LSIV3XNJN5XZDN6BGW5M3DBHRX/graph.json","fetch_events":"https://pith.science/api/pith-number/LSIV3XNJN5XZDN6BGW5M3DBHRX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX/action/storage_attestation","attest_author":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX/action/author_attestation","sign_citation":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX/action/citation_signature","submit_replication":"https://pith.science/pith/LSIV3XNJN5XZDN6BGW5M3DBHRX/action/replication_record"}},"created_at":"2026-05-18T02:06:09.825922+00:00","updated_at":"2026-05-18T02:06:09.825922+00:00"}