{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:VFF4FVQDPL4CR6AUXH7GKGDCQB","short_pith_number":"pith:VFF4FVQD","schema_version":"1.0","canonical_sha256":"a94bc2d6037af828f814b9fe651862806e96ffd982b7a263b1cff917131439dc","source":{"kind":"arxiv","id":"1204.2099","version":1},"attestation_state":"computed","paper":{"title":"[CII] gas in IC 342","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"F. Israel, H. W. H\\\"ubers, J. Stutzki, K.Jacobs, M. R\\\"ollig, P. Hartogh, R. G\\\"usten, R. Simon, X. Guan","submitted_at":"2012-04-10T10:38:03Z","abstract_excerpt":"Methods: We used the dual-band receiver GREAT on board the SOFIA airborne telescope to perform observations of the [C II] 158 {\\mu}m fine-structure line at the postitions of two giant molecular clouds (GMC) in the center of IC 342 (GMCs C and E) and compared the spectra with corresponding ground-based data for low- and mid-J CO and [C I]. We performed model calculations assuming a clumpy photo-dissociation region (PDR) environment using the KOSMA-tau PDR model code to derive physical parameters of the local medium.\n  Results: The [C II] 158 {\\mu}m emission resembles the spectral signature of g"},"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":"1204.2099","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-10T10:38:03Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"af77e5f3f7b910ec35c018a0940836b3e907c21e0f53417e097de5a03c9cd328","abstract_canon_sha256":"82342162e66dd229c59c6d6084db7df3725004b033834ea44b5d523745725367"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:55.426585Z","signature_b64":"Hzr02bs3sgBAGh4ioecWffG1qiPPcnT3y2R/mYydfbaeJADzJcTSX/5afs2V/14yxLiVfapf/9lufK+GyKSKBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a94bc2d6037af828f814b9fe651862806e96ffd982b7a263b1cff917131439dc","last_reissued_at":"2026-05-18T01:57:55.426112Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:55.426112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"[CII] gas in IC 342","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"F. Israel, H. W. H\\\"ubers, J. Stutzki, K.Jacobs, M. R\\\"ollig, P. Hartogh, R. G\\\"usten, R. Simon, X. Guan","submitted_at":"2012-04-10T10:38:03Z","abstract_excerpt":"Methods: We used the dual-band receiver GREAT on board the SOFIA airborne telescope to perform observations of the [C II] 158 {\\mu}m fine-structure line at the postitions of two giant molecular clouds (GMC) in the center of IC 342 (GMCs C and E) and compared the spectra with corresponding ground-based data for low- and mid-J CO and [C I]. We performed model calculations assuming a clumpy photo-dissociation region (PDR) environment using the KOSMA-tau PDR model code to derive physical parameters of the local medium.\n  Results: The [C II] 158 {\\mu}m emission resembles the spectral signature of g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.2099","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":"1204.2099","created_at":"2026-05-18T01:57:55.426190+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.2099v1","created_at":"2026-05-18T01:57:55.426190+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.2099","created_at":"2026-05-18T01:57:55.426190+00:00"},{"alias_kind":"pith_short_12","alias_value":"VFF4FVQDPL4C","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"VFF4FVQDPL4CR6AU","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"VFF4FVQD","created_at":"2026-05-18T12:27:25.539911+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/VFF4FVQDPL4CR6AUXH7GKGDCQB","json":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB.json","graph_json":"https://pith.science/api/pith-number/VFF4FVQDPL4CR6AUXH7GKGDCQB/graph.json","events_json":"https://pith.science/api/pith-number/VFF4FVQDPL4CR6AUXH7GKGDCQB/events.json","paper":"https://pith.science/paper/VFF4FVQD"},"agent_actions":{"view_html":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB","download_json":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB.json","view_paper":"https://pith.science/paper/VFF4FVQD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.2099&json=true","fetch_graph":"https://pith.science/api/pith-number/VFF4FVQDPL4CR6AUXH7GKGDCQB/graph.json","fetch_events":"https://pith.science/api/pith-number/VFF4FVQDPL4CR6AUXH7GKGDCQB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB/action/storage_attestation","attest_author":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB/action/author_attestation","sign_citation":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB/action/citation_signature","submit_replication":"https://pith.science/pith/VFF4FVQDPL4CR6AUXH7GKGDCQB/action/replication_record"}},"created_at":"2026-05-18T01:57:55.426190+00:00","updated_at":"2026-05-18T01:57:55.426190+00:00"}