{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:WK7ULYM3BHQDHZRM5RS6JK6EXY","short_pith_number":"pith:WK7ULYM3","schema_version":"1.0","canonical_sha256":"b2bf45e19b09e033e62cec65e4abc4be30784f05df89337ef400c925089c959d","source":{"kind":"arxiv","id":"2207.04800","version":1},"attestation_state":"computed","paper":{"title":"Chemistry of comet atmospheres","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Cyrielle Opitom, Martin Rubin, Neil Dello Russo, Nicolas Biver","submitted_at":"2022-07-11T11:51:52Z","abstract_excerpt":"The composition of cometary ices provides key information on the thermal and chemical properties of the outer parts of the protoplanetary disk where they formed 4.6 Gy ago. This chapter reviews our knowledge of composition of cometary comae based on remote spectroscopy and in-situ investigations techniques. Cometary comae can be dominated by water vapour, CO or CO2. The abundances of several dozen of molecules, with a growing number of complex organics, have been measured in comets. Many species that are not directly sublimating from the nucleus ices have also been observed and traced out into"},"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":"2207.04800","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-07-11T11:51:52Z","cross_cats_sorted":[],"title_canon_sha256":"354f69308fbb8e7fc2592a5878103b06e138479f7a58f2a59519c6537d7958ac","abstract_canon_sha256":"03fb4e870a3e0df9108a4880b4b054eaca10c560b86be5d13aed56a6aa9062a0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:39:03.482951Z","signature_b64":"zQtsgsC7MnMZtNMiItb3aTHMha+MM9TD91bOX0IIyGdwInaYuXCZTsX/i+cokVEqBGu0mAIVjlkIqp3GsjbTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2bf45e19b09e033e62cec65e4abc4be30784f05df89337ef400c925089c959d","last_reissued_at":"2026-07-05T04:39:03.482553Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:39:03.482553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemistry of comet atmospheres","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Cyrielle Opitom, Martin Rubin, Neil Dello Russo, Nicolas Biver","submitted_at":"2022-07-11T11:51:52Z","abstract_excerpt":"The composition of cometary ices provides key information on the thermal and chemical properties of the outer parts of the protoplanetary disk where they formed 4.6 Gy ago. This chapter reviews our knowledge of composition of cometary comae based on remote spectroscopy and in-situ investigations techniques. Cometary comae can be dominated by water vapour, CO or CO2. The abundances of several dozen of molecules, with a growing number of complex organics, have been measured in comets. Many species that are not directly sublimating from the nucleus ices have also been observed and traced out into"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04800","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.04800/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2207.04800","created_at":"2026-07-05T04:39:03.482610+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.04800v1","created_at":"2026-07-05T04:39:03.482610+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04800","created_at":"2026-07-05T04:39:03.482610+00:00"},{"alias_kind":"pith_short_12","alias_value":"WK7ULYM3BHQD","created_at":"2026-07-05T04:39:03.482610+00:00"},{"alias_kind":"pith_short_16","alias_value":"WK7ULYM3BHQDHZRM","created_at":"2026-07-05T04:39:03.482610+00:00"},{"alias_kind":"pith_short_8","alias_value":"WK7ULYM3","created_at":"2026-07-05T04:39:03.482610+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.19849","citing_title":"A JWST Study of the Remarkable Oort Cloud Comet C/2017 K2 (PanSTARRS)","ref_index":8,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY","json":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY.json","graph_json":"https://pith.science/api/pith-number/WK7ULYM3BHQDHZRM5RS6JK6EXY/graph.json","events_json":"https://pith.science/api/pith-number/WK7ULYM3BHQDHZRM5RS6JK6EXY/events.json","paper":"https://pith.science/paper/WK7ULYM3"},"agent_actions":{"view_html":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY","download_json":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY.json","view_paper":"https://pith.science/paper/WK7ULYM3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.04800&json=true","fetch_graph":"https://pith.science/api/pith-number/WK7ULYM3BHQDHZRM5RS6JK6EXY/graph.json","fetch_events":"https://pith.science/api/pith-number/WK7ULYM3BHQDHZRM5RS6JK6EXY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY/action/storage_attestation","attest_author":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY/action/author_attestation","sign_citation":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY/action/citation_signature","submit_replication":"https://pith.science/pith/WK7ULYM3BHQDHZRM5RS6JK6EXY/action/replication_record"}},"created_at":"2026-07-05T04:39:03.482610+00:00","updated_at":"2026-07-05T04:39:03.482610+00:00"}