{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:63YQ4D32SSD4S2QKFW6OBR7ADZ","short_pith_number":"pith:63YQ4D32","schema_version":"1.0","canonical_sha256":"f6f10e0f7a9487c96a0a2dbce0c7e01e53d5c976b8b1cb7df9e4ae638a50461c","source":{"kind":"arxiv","id":"0805.3915","version":2},"attestation_state":"computed","paper":{"title":"Photometric Follow-up Observations of the Transiting Neptune-Mass Planet GJ 436b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Avi Shporer, David W. Latham, Frederic Pont, Gilbert A. Esquerdo, Joshua N. Winn, Matthew J. Holman, Tsevi Mazeh","submitted_at":"2008-05-26T10:47:55Z","abstract_excerpt":"This paper presents multi-band photometric follow-up observations of the Neptune-mass transiting planet GJ 436b, consisting of 5 new ground-based transit light curves obtained in May 2007. Together with one already published light curve we have at hand a total of 6 light curves, spanning 29 days. The analysis of the data yields an orbital period P = 2.64386+-0.00003 days, mid-transit time T_c [HJD] =2454235.8355+-0.0001, planet mass M_p = 23.1+-0.9 M_{\\earth} = 0.073+-0.003 M_{Jup}, planet radius R_p = 4.2+-0.2 R_{\\earth} = 0.37+-0.01 R_{Jup} and stellar radius R_s = 0.45+-0.02 R_{\\sun}. Our t"},"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":"0805.3915","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-26T10:47:55Z","cross_cats_sorted":[],"title_canon_sha256":"bcf97cc9a8dd9f610a6a74358b1c76ae9ed86595a9d0c34546e727d901d66b64","abstract_canon_sha256":"0ac605d960ad2b8ed6b7602f088a6e92ceadaba8153ee047bd66f3a7f770f21b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:33.554764Z","signature_b64":"my7UCRbmLPpM7p1mi0YhON2PHc8tM6WkEgNIhphQaeh4h2H4+86CiVEWZuX6HtKdqcmKl60cm13xeu8X/opJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6f10e0f7a9487c96a0a2dbce0c7e01e53d5c976b8b1cb7df9e4ae638a50461c","last_reissued_at":"2026-05-18T04:29:33.554392Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:33.554392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photometric Follow-up Observations of the Transiting Neptune-Mass Planet GJ 436b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Avi Shporer, David W. Latham, Frederic Pont, Gilbert A. Esquerdo, Joshua N. Winn, Matthew J. Holman, Tsevi Mazeh","submitted_at":"2008-05-26T10:47:55Z","abstract_excerpt":"This paper presents multi-band photometric follow-up observations of the Neptune-mass transiting planet GJ 436b, consisting of 5 new ground-based transit light curves obtained in May 2007. Together with one already published light curve we have at hand a total of 6 light curves, spanning 29 days. The analysis of the data yields an orbital period P = 2.64386+-0.00003 days, mid-transit time T_c [HJD] =2454235.8355+-0.0001, planet mass M_p = 23.1+-0.9 M_{\\earth} = 0.073+-0.003 M_{Jup}, planet radius R_p = 4.2+-0.2 R_{\\earth} = 0.37+-0.01 R_{Jup} and stellar radius R_s = 0.45+-0.02 R_{\\sun}. Our t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.3915","kind":"arxiv","version":2},"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":"0805.3915","created_at":"2026-05-18T04:29:33.554446+00:00"},{"alias_kind":"arxiv_version","alias_value":"0805.3915v2","created_at":"2026-05-18T04:29:33.554446+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.3915","created_at":"2026-05-18T04:29:33.554446+00:00"},{"alias_kind":"pith_short_12","alias_value":"63YQ4D32SSD4","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"63YQ4D32SSD4S2QK","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"63YQ4D32","created_at":"2026-05-18T12:25:56.245647+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/63YQ4D32SSD4S2QKFW6OBR7ADZ","json":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ.json","graph_json":"https://pith.science/api/pith-number/63YQ4D32SSD4S2QKFW6OBR7ADZ/graph.json","events_json":"https://pith.science/api/pith-number/63YQ4D32SSD4S2QKFW6OBR7ADZ/events.json","paper":"https://pith.science/paper/63YQ4D32"},"agent_actions":{"view_html":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ","download_json":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ.json","view_paper":"https://pith.science/paper/63YQ4D32","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0805.3915&json=true","fetch_graph":"https://pith.science/api/pith-number/63YQ4D32SSD4S2QKFW6OBR7ADZ/graph.json","fetch_events":"https://pith.science/api/pith-number/63YQ4D32SSD4S2QKFW6OBR7ADZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ/action/storage_attestation","attest_author":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ/action/author_attestation","sign_citation":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ/action/citation_signature","submit_replication":"https://pith.science/pith/63YQ4D32SSD4S2QKFW6OBR7ADZ/action/replication_record"}},"created_at":"2026-05-18T04:29:33.554446+00:00","updated_at":"2026-05-18T04:29:33.554446+00:00"}