{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:SJ4USYUZS7Y3IXJSRD3HUAXQ6R","short_pith_number":"pith:SJ4USYUZ","schema_version":"1.0","canonical_sha256":"927949629997f1b45d3288f67a02f0f47cd36360baef51e260b5cd146cb473ab","source":{"kind":"arxiv","id":"2308.03886","version":1},"attestation_state":"computed","paper":{"title":"Oort Cloud Comets Discovered Far from the Sun","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Luke Dones, Ma{\\l}gorzata Kr\\'olikowska","submitted_at":"2023-08-07T19:33:56Z","abstract_excerpt":"Context: Increasingly, Oort Cloud comets are being discovered at great distances from the Sun and tracked over ever wider ranges of heliocentric distances as observational equipment improves. Aims: To investigate in detail how the original semimajor axis for near-parabolic comets depends on the selected data arc and the assumed form of the non-gravitational (NG) acceleration. Methods: Among currently known Oort Cloud comets with large perihelion distances ($q > 3$ au), we selected 32 objects observed over the widest ranges of heliocentric distances in orbital legs before and after perihelion. "},"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":"2308.03886","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-08-07T19:33:56Z","cross_cats_sorted":[],"title_canon_sha256":"540b4791f45b3c8ccd4f480a2ca3dd97bb36897706031340182ee0396356ff04","abstract_canon_sha256":"f52e154b59e2c040e823a19d659fdfc03d576c56b51ddc72885ef523203224ac"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:01:44.230448Z","signature_b64":"1g2aj1R+Bqn9ug+L9Bn5fB0zA2AlA/XSUcwNx8glkKS76NcKzJwY99nkjWDkr9ug/mCPOZl6SzdRU8V/OtjWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"927949629997f1b45d3288f67a02f0f47cd36360baef51e260b5cd146cb473ab","last_reissued_at":"2026-07-05T07:01:44.230076Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:01:44.230076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Oort Cloud Comets Discovered Far from the Sun","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Luke Dones, Ma{\\l}gorzata Kr\\'olikowska","submitted_at":"2023-08-07T19:33:56Z","abstract_excerpt":"Context: Increasingly, Oort Cloud comets are being discovered at great distances from the Sun and tracked over ever wider ranges of heliocentric distances as observational equipment improves. Aims: To investigate in detail how the original semimajor axis for near-parabolic comets depends on the selected data arc and the assumed form of the non-gravitational (NG) acceleration. Methods: Among currently known Oort Cloud comets with large perihelion distances ($q > 3$ au), we selected 32 objects observed over the widest ranges of heliocentric distances in orbital legs before and after perihelion. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.03886","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/2308.03886/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":"2308.03886","created_at":"2026-07-05T07:01:44.230133+00:00"},{"alias_kind":"arxiv_version","alias_value":"2308.03886v1","created_at":"2026-07-05T07:01:44.230133+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.03886","created_at":"2026-07-05T07:01:44.230133+00:00"},{"alias_kind":"pith_short_12","alias_value":"SJ4USYUZS7Y3","created_at":"2026-07-05T07:01:44.230133+00:00"},{"alias_kind":"pith_short_16","alias_value":"SJ4USYUZS7Y3IXJS","created_at":"2026-07-05T07:01:44.230133+00:00"},{"alias_kind":"pith_short_8","alias_value":"SJ4USYUZ","created_at":"2026-07-05T07:01:44.230133+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/SJ4USYUZS7Y3IXJSRD3HUAXQ6R","json":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R.json","graph_json":"https://pith.science/api/pith-number/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/graph.json","events_json":"https://pith.science/api/pith-number/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/events.json","paper":"https://pith.science/paper/SJ4USYUZ"},"agent_actions":{"view_html":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R","download_json":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R.json","view_paper":"https://pith.science/paper/SJ4USYUZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2308.03886&json=true","fetch_graph":"https://pith.science/api/pith-number/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/graph.json","fetch_events":"https://pith.science/api/pith-number/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/action/storage_attestation","attest_author":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/action/author_attestation","sign_citation":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/action/citation_signature","submit_replication":"https://pith.science/pith/SJ4USYUZS7Y3IXJSRD3HUAXQ6R/action/replication_record"}},"created_at":"2026-07-05T07:01:44.230133+00:00","updated_at":"2026-07-05T07:01:44.230133+00:00"}