{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:AJ564AOL5GP7VUMRJJN3J67FL7","short_pith_number":"pith:AJ564AOL","schema_version":"1.0","canonical_sha256":"027bee01cbe99ffad1914a5bb4fbe55fe2e9da6c5a293b11f88cfa3fc81f0cb5","source":{"kind":"arxiv","id":"1006.3525","version":4},"attestation_state":"computed","paper":{"title":"Light scattering from exoplanet oceans and atmospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"C. Russell Philbrick, Darren M. Williams, James F. Kasting, Michael E. Zugger, Timothy J. Kane","submitted_at":"2010-06-17T17:17:34Z","abstract_excerpt":"Orbital variation in reflected starlight from exoplanets could eventually be used to detect surface oceans. Exoplanets with rough surfaces, or dominated by atmospheric Rayleigh scattering, should reach peak brightness in full phase, orbital longitude = 180 deg, whereas ocean planets with transparent atmospheres should reach peak brightness in crescent phase near OL = 30 deg. Application of Fresnel theory to a planet with no atmosphere covered by a calm ocean predicts a peak polarization fraction of 1 at OL = 74 deg; however, our model shows that clouds, wind-driven waves, aerosols, absorption,"},"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":"1006.3525","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-06-17T17:17:34Z","cross_cats_sorted":[],"title_canon_sha256":"8afdd3172640a1c9ba5ba09746a07eeff61e5cb82db3809a291e48836e338683","abstract_canon_sha256":"c69595d2a8879790165e8197fa01a7d29d87fc5c34665e4360470d9cacfb1888"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:45.022465Z","signature_b64":"OwKRKz9aKj+WTb9a7sQf3IBtEooTqQ6oyo7+1CNSvjscuTT722DZIXvoXQDPeX70N2HiNqWk8nGGmV4d5ZtkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"027bee01cbe99ffad1914a5bb4fbe55fe2e9da6c5a293b11f88cfa3fc81f0cb5","last_reissued_at":"2026-05-18T02:06:45.021699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:45.021699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Light scattering from exoplanet oceans and atmospheres","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"C. Russell Philbrick, Darren M. Williams, James F. Kasting, Michael E. Zugger, Timothy J. Kane","submitted_at":"2010-06-17T17:17:34Z","abstract_excerpt":"Orbital variation in reflected starlight from exoplanets could eventually be used to detect surface oceans. Exoplanets with rough surfaces, or dominated by atmospheric Rayleigh scattering, should reach peak brightness in full phase, orbital longitude = 180 deg, whereas ocean planets with transparent atmospheres should reach peak brightness in crescent phase near OL = 30 deg. Application of Fresnel theory to a planet with no atmosphere covered by a calm ocean predicts a peak polarization fraction of 1 at OL = 74 deg; however, our model shows that clouds, wind-driven waves, aerosols, absorption,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3525","kind":"arxiv","version":4},"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":"1006.3525","created_at":"2026-05-18T02:06:45.021825+00:00"},{"alias_kind":"arxiv_version","alias_value":"1006.3525v4","created_at":"2026-05-18T02:06:45.021825+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3525","created_at":"2026-05-18T02:06:45.021825+00:00"},{"alias_kind":"pith_short_12","alias_value":"AJ564AOL5GP7","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"AJ564AOL5GP7VUMR","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"AJ564AOL","created_at":"2026-05-18T12:26:05.355336+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/AJ564AOL5GP7VUMRJJN3J67FL7","json":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7.json","graph_json":"https://pith.science/api/pith-number/AJ564AOL5GP7VUMRJJN3J67FL7/graph.json","events_json":"https://pith.science/api/pith-number/AJ564AOL5GP7VUMRJJN3J67FL7/events.json","paper":"https://pith.science/paper/AJ564AOL"},"agent_actions":{"view_html":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7","download_json":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7.json","view_paper":"https://pith.science/paper/AJ564AOL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1006.3525&json=true","fetch_graph":"https://pith.science/api/pith-number/AJ564AOL5GP7VUMRJJN3J67FL7/graph.json","fetch_events":"https://pith.science/api/pith-number/AJ564AOL5GP7VUMRJJN3J67FL7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7/action/storage_attestation","attest_author":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7/action/author_attestation","sign_citation":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7/action/citation_signature","submit_replication":"https://pith.science/pith/AJ564AOL5GP7VUMRJJN3J67FL7/action/replication_record"}},"created_at":"2026-05-18T02:06:45.021825+00:00","updated_at":"2026-05-18T02:06:45.021825+00:00"}