{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:C545U4CUAX6MPNF7YMOPJKFEYQ","short_pith_number":"pith:C545U4CU","schema_version":"1.0","canonical_sha256":"1779da705405fcc7b4bfc31cf4a8a4c412163019ad2945baa097de337b60965e","source":{"kind":"arxiv","id":"1212.4378","version":2},"attestation_state":"computed","paper":{"title":"The chemistry of ions in the Orion Bar I. - CH+, SH+, and CF+: The effect of high electron density and vibrationally excited H2 in a warm PDR surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Joblin, E. A. Bergin, F.F.S. van der Tak, F. Le Petit, J. H. Black, J. Le Bourlot, J. R. Goicoechea, M. Gerin, M. Roellig, V. Ossenkopf, Z. Nagy","submitted_at":"2012-12-18T15:20:39Z","abstract_excerpt":"The abundances of interstellar CH+ and SH+ are not well understood as their most likely formation channels are highly endothermic. Using data from Herschel, we study the formation of CH+ and SH+ in a typical high UV-illumination photon-dominated region (PDR), the Orion Bar. Herschel/HIFI provides velocity-resolved data of CH+ 1-0 and 2-1 and three hyperfine transitions of SH+. Herschel/PACS provides information on the excitation and spatial distribution of CH+ (up to J=6-5). The widths of the CH+ 2-1 and 1-0 transitions are of ~5 km/s, significantly broader than the typical width of dense gas "},"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":"1212.4378","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-12-18T15:20:39Z","cross_cats_sorted":[],"title_canon_sha256":"cd0069af82e70f8006762a2e526cbc85589f91e945dbb855265f8d12410dc95e","abstract_canon_sha256":"a19ac263d322fdfe9fb39c30f98ab3c81ac824e25a31ce72714c5bbf32624a19"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:34:37.717032Z","signature_b64":"EhhXNLCWWstZX8LwZFlzOx9bYrGRai4XABb8GwzkRbaUNs28wRncyt6eeTvjmVbGTGgw7noujMwXVbNvm8U9Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1779da705405fcc7b4bfc31cf4a8a4c412163019ad2945baa097de337b60965e","last_reissued_at":"2026-05-18T03:34:37.716349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:34:37.716349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The chemistry of ions in the Orion Bar I. - CH+, SH+, and CF+: The effect of high electron density and vibrationally excited H2 in a warm PDR surface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Joblin, E. A. Bergin, F.F.S. van der Tak, F. Le Petit, J. H. Black, J. Le Bourlot, J. R. Goicoechea, M. Gerin, M. Roellig, V. Ossenkopf, Z. Nagy","submitted_at":"2012-12-18T15:20:39Z","abstract_excerpt":"The abundances of interstellar CH+ and SH+ are not well understood as their most likely formation channels are highly endothermic. Using data from Herschel, we study the formation of CH+ and SH+ in a typical high UV-illumination photon-dominated region (PDR), the Orion Bar. Herschel/HIFI provides velocity-resolved data of CH+ 1-0 and 2-1 and three hyperfine transitions of SH+. Herschel/PACS provides information on the excitation and spatial distribution of CH+ (up to J=6-5). The widths of the CH+ 2-1 and 1-0 transitions are of ~5 km/s, significantly broader than the typical width of dense gas "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4378","kind":"arxiv","version":2},"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":"1212.4378","created_at":"2026-05-18T03:34:37.716440+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.4378v2","created_at":"2026-05-18T03:34:37.716440+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4378","created_at":"2026-05-18T03:34:37.716440+00:00"},{"alias_kind":"pith_short_12","alias_value":"C545U4CUAX6M","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"C545U4CUAX6MPNF7","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"C545U4CU","created_at":"2026-05-18T12:27:01.376967+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/C545U4CUAX6MPNF7YMOPJKFEYQ","json":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ.json","graph_json":"https://pith.science/api/pith-number/C545U4CUAX6MPNF7YMOPJKFEYQ/graph.json","events_json":"https://pith.science/api/pith-number/C545U4CUAX6MPNF7YMOPJKFEYQ/events.json","paper":"https://pith.science/paper/C545U4CU"},"agent_actions":{"view_html":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ","download_json":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ.json","view_paper":"https://pith.science/paper/C545U4CU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.4378&json=true","fetch_graph":"https://pith.science/api/pith-number/C545U4CUAX6MPNF7YMOPJKFEYQ/graph.json","fetch_events":"https://pith.science/api/pith-number/C545U4CUAX6MPNF7YMOPJKFEYQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ/action/storage_attestation","attest_author":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ/action/author_attestation","sign_citation":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ/action/citation_signature","submit_replication":"https://pith.science/pith/C545U4CUAX6MPNF7YMOPJKFEYQ/action/replication_record"}},"created_at":"2026-05-18T03:34:37.716440+00:00","updated_at":"2026-05-18T03:34:37.716440+00:00"}