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This detection occurred as part of an unbiased spectral survey of this object in the 0.8-3 mm range, performed with the IRAM 30m telescope. The data were analyzed using a local thermodynamical equilibrium model (LTE model) and a population diagram in order to derive the column density. The line velocity (-4 km s-1) and line width (1.6 km s-1) indicate an origin from the collapsing envelope of the protostar.\n  We obt"},"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":"1501.05439","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-01-22T09:56:13Z","cross_cats_sorted":[],"title_canon_sha256":"20a25d2338b67e9dc92781cbaacaa98f3f0967b0e08a41dcc788ca4a215c4e58","abstract_canon_sha256":"dac1b50478eac80cd6140df370d4fbaf9abf2fbe52bf3a55e39f6767dd207304"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:54.627996Z","signature_b64":"qDrtk+BoGxeKJfl/dbLARGleGOnrxTBLKE52ceazyPwc/trVM8uv5jXxmkvWN3mvv80/H2m9w5j4FeCzlCXtDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de57f843232f96b930845241bed3a5ca1503f318cc89675becf714249238bb15","last_reissued_at":"2026-05-18T02:28:54.627655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:54.627655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First detection of CF+ towards a high-mass protostar","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Duarte-Cabral, B. Lefloch, F. Herpin, N. Schneider, S. Bontemps, S. Fechtenbaum, T. Csengeri","submitted_at":"2015-01-22T09:56:13Z","abstract_excerpt":"We report the first detection of the J = 1 - 0 (102.6 GHz) rotational lines of CF+ (fluoromethylidynium ion) towards CygX-N63, a young and massive protostar of the Cygnus X region. This detection occurred as part of an unbiased spectral survey of this object in the 0.8-3 mm range, performed with the IRAM 30m telescope. The data were analyzed using a local thermodynamical equilibrium model (LTE model) and a population diagram in order to derive the column density. The line velocity (-4 km s-1) and line width (1.6 km s-1) indicate an origin from the collapsing envelope of the protostar.\n  We obt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05439","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":"1501.05439","created_at":"2026-05-18T02:28:54.627710+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.05439v1","created_at":"2026-05-18T02:28:54.627710+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05439","created_at":"2026-05-18T02:28:54.627710+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ZL7QQZDF6LL","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ZL7QQZDF6LLSMEE","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ZL7QQZD","created_at":"2026-05-18T12:29:02.477457+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/3ZL7QQZDF6LLSMEEKJA35U5FZI","json":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI.json","graph_json":"https://pith.science/api/pith-number/3ZL7QQZDF6LLSMEEKJA35U5FZI/graph.json","events_json":"https://pith.science/api/pith-number/3ZL7QQZDF6LLSMEEKJA35U5FZI/events.json","paper":"https://pith.science/paper/3ZL7QQZD"},"agent_actions":{"view_html":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI","download_json":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI.json","view_paper":"https://pith.science/paper/3ZL7QQZD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.05439&json=true","fetch_graph":"https://pith.science/api/pith-number/3ZL7QQZDF6LLSMEEKJA35U5FZI/graph.json","fetch_events":"https://pith.science/api/pith-number/3ZL7QQZDF6LLSMEEKJA35U5FZI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI/action/storage_attestation","attest_author":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI/action/author_attestation","sign_citation":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI/action/citation_signature","submit_replication":"https://pith.science/pith/3ZL7QQZDF6LLSMEEKJA35U5FZI/action/replication_record"}},"created_at":"2026-05-18T02:28:54.627710+00:00","updated_at":"2026-05-18T02:28:54.627710+00:00"}