{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:IATBMA3HQ6OEPDNMXE7KOO4WHY","short_pith_number":"pith:IATBMA3H","schema_version":"1.0","canonical_sha256":"4026160367879c478dacb93ea73b963e2c9a7fdafc788ebe42fc0a19c26eaec7","source":{"kind":"arxiv","id":"1506.07067","version":1},"attestation_state":"computed","paper":{"title":"The mass of the Mars-sized exoplanet Kepler-138 b from transit timing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Daniel C. Fabrycky, Daniel Jontof-Hutter, Eric B. Ford, Jack J. Lissauer, Jason F. Rowe","submitted_at":"2015-06-23T16:02:31Z","abstract_excerpt":"Extrasolar planets that pass in front of their host star (transit) cause a temporary decrease in the apparent brightness of the star once per orbit, providing a direct measure of the planet's size and orbital period. In some systems with multiple transiting planets, the times of the transits are measurably affected by the gravitational interactions between neighbouring planets. In favorable cases, the departures from Keplerian orbits implied by the observed transit times permit planetary masses to be measured, which is key to determining bulk densities. Characterizing rocky planets is particul"},"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":"1506.07067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-06-23T16:02:31Z","cross_cats_sorted":[],"title_canon_sha256":"feb5eecb2d9ca4e524cd525300903a941111af2b18725b8c0ceb61af2c7e4eb2","abstract_canon_sha256":"810e8af638202c4af454099745d33f473367a5332a2459a217fa0998fefeed31"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:55.226676Z","signature_b64":"U3Fm1Uff1w4kBAUjZDvSlLoqRT/4FdTkWZtWuIvMFAWsxiIqI8bTBErxguwQuQytOyxuEvyZ1pMSc8lSLSuTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4026160367879c478dacb93ea73b963e2c9a7fdafc788ebe42fc0a19c26eaec7","last_reissued_at":"2026-05-18T01:40:55.226136Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:55.226136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The mass of the Mars-sized exoplanet Kepler-138 b from transit timing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Daniel C. Fabrycky, Daniel Jontof-Hutter, Eric B. Ford, Jack J. Lissauer, Jason F. Rowe","submitted_at":"2015-06-23T16:02:31Z","abstract_excerpt":"Extrasolar planets that pass in front of their host star (transit) cause a temporary decrease in the apparent brightness of the star once per orbit, providing a direct measure of the planet's size and orbital period. In some systems with multiple transiting planets, the times of the transits are measurably affected by the gravitational interactions between neighbouring planets. In favorable cases, the departures from Keplerian orbits implied by the observed transit times permit planetary masses to be measured, which is key to determining bulk densities. Characterizing rocky planets is particul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.07067","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":"1506.07067","created_at":"2026-05-18T01:40:55.226225+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.07067v1","created_at":"2026-05-18T01:40:55.226225+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.07067","created_at":"2026-05-18T01:40:55.226225+00:00"},{"alias_kind":"pith_short_12","alias_value":"IATBMA3HQ6OE","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_16","alias_value":"IATBMA3HQ6OEPDNM","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_8","alias_value":"IATBMA3H","created_at":"2026-05-18T12:29:25.134429+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/IATBMA3HQ6OEPDNMXE7KOO4WHY","json":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY.json","graph_json":"https://pith.science/api/pith-number/IATBMA3HQ6OEPDNMXE7KOO4WHY/graph.json","events_json":"https://pith.science/api/pith-number/IATBMA3HQ6OEPDNMXE7KOO4WHY/events.json","paper":"https://pith.science/paper/IATBMA3H"},"agent_actions":{"view_html":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY","download_json":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY.json","view_paper":"https://pith.science/paper/IATBMA3H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.07067&json=true","fetch_graph":"https://pith.science/api/pith-number/IATBMA3HQ6OEPDNMXE7KOO4WHY/graph.json","fetch_events":"https://pith.science/api/pith-number/IATBMA3HQ6OEPDNMXE7KOO4WHY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY/action/storage_attestation","attest_author":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY/action/author_attestation","sign_citation":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY/action/citation_signature","submit_replication":"https://pith.science/pith/IATBMA3HQ6OEPDNMXE7KOO4WHY/action/replication_record"}},"created_at":"2026-05-18T01:40:55.226225+00:00","updated_at":"2026-05-18T01:40:55.226225+00:00"}