{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:NTTN4MWAE7WVHVJMLT2EFNC6OG","short_pith_number":"pith:NTTN4MWA","schema_version":"1.0","canonical_sha256":"6ce6de32c027ed53d52c5cf442b45e718b1e3ba6ced637ccd7f935997cae0340","source":{"kind":"arxiv","id":"1304.5157","version":1},"attestation_state":"computed","paper":{"title":"Mass-Radius Relationships for Very Low Mass Gaseous Planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David J. Stevenson, Konstantin Batygin","submitted_at":"2013-04-18T15:07:00Z","abstract_excerpt":"Recently, the Kepler spacecraft has detected a sizable aggregate of objects, characterized by giant-planet-like radii and modest levels of stellar irradiation. With the exception of a handful of objects, the physical nature, and specifically the average densities, of these bodies remain unknown. Here, we propose that the detected giant planet radii may partially belong to planets somewhat less massive than Uranus and Neptune. Accordingly, in this work, we seek to identify a physically sound upper limit to planetary radii at low masses and moderate equilibrium temperatures. As a guiding example"},"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":"1304.5157","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-04-18T15:07:00Z","cross_cats_sorted":[],"title_canon_sha256":"b5e0a9d64e874d9531f13d52f5133a898e2827e4116b66673ea11d8d33f6d847","abstract_canon_sha256":"424e342b3bcc50193543a7d86a82a834306b9abd7908b79cf51b118088577560"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:31.085349Z","signature_b64":"ux8fZhueH2OyaZDFtdn0HezQxwGx5gaH4Rng7Zn27MEfmhA3hX4Yd7gyw1KxmsK09BcFd8GYqdCH6CJyu0zMAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ce6de32c027ed53d52c5cf442b45e718b1e3ba6ced637ccd7f935997cae0340","last_reissued_at":"2026-05-18T01:50:31.084792Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:31.084792Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mass-Radius Relationships for Very Low Mass Gaseous Planets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David J. Stevenson, Konstantin Batygin","submitted_at":"2013-04-18T15:07:00Z","abstract_excerpt":"Recently, the Kepler spacecraft has detected a sizable aggregate of objects, characterized by giant-planet-like radii and modest levels of stellar irradiation. With the exception of a handful of objects, the physical nature, and specifically the average densities, of these bodies remain unknown. Here, we propose that the detected giant planet radii may partially belong to planets somewhat less massive than Uranus and Neptune. Accordingly, in this work, we seek to identify a physically sound upper limit to planetary radii at low masses and moderate equilibrium temperatures. As a guiding example"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.5157","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":"1304.5157","created_at":"2026-05-18T01:50:31.084879+00:00"},{"alias_kind":"arxiv_version","alias_value":"1304.5157v1","created_at":"2026-05-18T01:50:31.084879+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.5157","created_at":"2026-05-18T01:50:31.084879+00:00"},{"alias_kind":"pith_short_12","alias_value":"NTTN4MWAE7WV","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_16","alias_value":"NTTN4MWAE7WVHVJM","created_at":"2026-05-18T12:27:52.871228+00:00"},{"alias_kind":"pith_short_8","alias_value":"NTTN4MWA","created_at":"2026-05-18T12:27:52.871228+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/NTTN4MWAE7WVHVJMLT2EFNC6OG","json":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG.json","graph_json":"https://pith.science/api/pith-number/NTTN4MWAE7WVHVJMLT2EFNC6OG/graph.json","events_json":"https://pith.science/api/pith-number/NTTN4MWAE7WVHVJMLT2EFNC6OG/events.json","paper":"https://pith.science/paper/NTTN4MWA"},"agent_actions":{"view_html":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG","download_json":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG.json","view_paper":"https://pith.science/paper/NTTN4MWA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1304.5157&json=true","fetch_graph":"https://pith.science/api/pith-number/NTTN4MWAE7WVHVJMLT2EFNC6OG/graph.json","fetch_events":"https://pith.science/api/pith-number/NTTN4MWAE7WVHVJMLT2EFNC6OG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG/action/storage_attestation","attest_author":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG/action/author_attestation","sign_citation":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG/action/citation_signature","submit_replication":"https://pith.science/pith/NTTN4MWAE7WVHVJMLT2EFNC6OG/action/replication_record"}},"created_at":"2026-05-18T01:50:31.084879+00:00","updated_at":"2026-05-18T01:50:31.084879+00:00"}