{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:P2ZCA2EHIM275IL7555EWKVXRE","short_pith_number":"pith:P2ZCA2EH","schema_version":"1.0","canonical_sha256":"7eb22068874335fea17fef7a4b2ab78911d85efcb2d80c74fc2b64d35f375d3d","source":{"kind":"arxiv","id":"2303.06214","version":1},"attestation_state":"computed","paper":{"title":"A Catalog of Exoplanets with Equilibrium Temperature less than 600 K","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"David G. Russell","submitted_at":"2023-03-10T21:28:53Z","abstract_excerpt":"The NASA Exoplanet Archive was searched for planets with an equilibrium temperature below 600 K, mass uncertainty less than 27 percent, and radius uncertainty less than 8 percent. This search produced 93 planets with mass from 0.3 to 1680 ME; and 101 planets if the Solar System planets are included. The characteristics of the sample in this catalog are: (1) 94 percent of the Terrestrial planets have mass less than 2.9 ME and radius less than 1.4 RE, (3) The sample has a small drop in population consistent with the previously identified radius gap from 1.5 to 2.0 RE, (4) Planets in the radius r"},"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":"2303.06214","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-03-10T21:28:53Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"8ca0b7b6173ff1acd018029ee0091289be0a724e2d88cfcae3aa26a3984a6f80","abstract_canon_sha256":"b47fbf6f3eb45a37204ec4e0367f7352d9df5730f04cf9da90879c8d380d0df5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:50:16.051662Z","signature_b64":"1tk2W7KnSGLCN4l/uG+d+PFp60H5UUNO2cFG4rnXsJarl213xdGZxodqTmYYa9UedfY2VngzollVFcTCkiG7Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7eb22068874335fea17fef7a4b2ab78911d85efcb2d80c74fc2b64d35f375d3d","last_reissued_at":"2026-07-05T05:50:16.051262Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:50:16.051262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Catalog of Exoplanets with Equilibrium Temperature less than 600 K","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"David G. Russell","submitted_at":"2023-03-10T21:28:53Z","abstract_excerpt":"The NASA Exoplanet Archive was searched for planets with an equilibrium temperature below 600 K, mass uncertainty less than 27 percent, and radius uncertainty less than 8 percent. This search produced 93 planets with mass from 0.3 to 1680 ME; and 101 planets if the Solar System planets are included. The characteristics of the sample in this catalog are: (1) 94 percent of the Terrestrial planets have mass less than 2.9 ME and radius less than 1.4 RE, (3) The sample has a small drop in population consistent with the previously identified radius gap from 1.5 to 2.0 RE, (4) Planets in the radius r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.06214","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/2303.06214/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":"2303.06214","created_at":"2026-07-05T05:50:16.051324+00:00"},{"alias_kind":"arxiv_version","alias_value":"2303.06214v1","created_at":"2026-07-05T05:50:16.051324+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.06214","created_at":"2026-07-05T05:50:16.051324+00:00"},{"alias_kind":"pith_short_12","alias_value":"P2ZCA2EHIM27","created_at":"2026-07-05T05:50:16.051324+00:00"},{"alias_kind":"pith_short_16","alias_value":"P2ZCA2EHIM275IL7","created_at":"2026-07-05T05:50:16.051324+00:00"},{"alias_kind":"pith_short_8","alias_value":"P2ZCA2EH","created_at":"2026-07-05T05:50:16.051324+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.22297","citing_title":"The Radius, Composition, Albedo, and Absolute Magnitude of Planet Nine Based on Exoplanets with Teq less than 600 K and the Planet Nine Reference Population 3.0","ref_index":45,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE","json":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE.json","graph_json":"https://pith.science/api/pith-number/P2ZCA2EHIM275IL7555EWKVXRE/graph.json","events_json":"https://pith.science/api/pith-number/P2ZCA2EHIM275IL7555EWKVXRE/events.json","paper":"https://pith.science/paper/P2ZCA2EH"},"agent_actions":{"view_html":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE","download_json":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE.json","view_paper":"https://pith.science/paper/P2ZCA2EH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2303.06214&json=true","fetch_graph":"https://pith.science/api/pith-number/P2ZCA2EHIM275IL7555EWKVXRE/graph.json","fetch_events":"https://pith.science/api/pith-number/P2ZCA2EHIM275IL7555EWKVXRE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE/action/storage_attestation","attest_author":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE/action/author_attestation","sign_citation":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE/action/citation_signature","submit_replication":"https://pith.science/pith/P2ZCA2EHIM275IL7555EWKVXRE/action/replication_record"}},"created_at":"2026-07-05T05:50:16.051324+00:00","updated_at":"2026-07-05T05:50:16.051324+00:00"}