{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:EP3KEF6C4VAIIT3HOK3EHNUKYY","short_pith_number":"pith:EP3KEF6C","schema_version":"1.0","canonical_sha256":"23f6a217c2e540844f6772b643b68ac62037dc03a63fcb9fe3e8aa4084f64f05","source":{"kind":"arxiv","id":"1807.10835","version":1},"attestation_state":"computed","paper":{"title":"Predicting the Orbit of TRAPPIST-1i","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David Kipping","submitted_at":"2018-07-27T21:30:21Z","abstract_excerpt":"The TRAPPIST-1 system provides an exquisite laboratory for advancing our understanding exoplanetary atmospheres, compositions, dynamics and architectures. A remarkable aspect of TRAPPIST-1 is that it represents the longest known resonance chain, where all seven planets share near mean motion resonances with their neighbors. Prior to the measurement of 1h's period, Luger et al. (2017) showed that six possible and highly precise periods for 1h were expected, assuming it also participated in the resonant chain. We show here that combining this argument with a Titius-Bode law fit of the inner six "},"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":"1807.10835","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-27T21:30:21Z","cross_cats_sorted":[],"title_canon_sha256":"d18e45bbacea7ce05535b688dd3f899dda0cc6adc8eddf41faec101fdbbfec92","abstract_canon_sha256":"0ecaef3bc00ff5f3e6757044134778d1c8110a37ddc33619a4c24a5a80a22f3d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:37.272827Z","signature_b64":"/tyQPcxXjY+WJVUzx2BhFUulSuADMlpHFJM8pPsAq0TJqF+GdCnPcfBnXnEbvUS+vdAa1OsvfG1VlLrr76mGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23f6a217c2e540844f6772b643b68ac62037dc03a63fcb9fe3e8aa4084f64f05","last_reissued_at":"2026-05-18T00:09:37.272393Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:37.272393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Predicting the Orbit of TRAPPIST-1i","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David Kipping","submitted_at":"2018-07-27T21:30:21Z","abstract_excerpt":"The TRAPPIST-1 system provides an exquisite laboratory for advancing our understanding exoplanetary atmospheres, compositions, dynamics and architectures. A remarkable aspect of TRAPPIST-1 is that it represents the longest known resonance chain, where all seven planets share near mean motion resonances with their neighbors. Prior to the measurement of 1h's period, Luger et al. (2017) showed that six possible and highly precise periods for 1h were expected, assuming it also participated in the resonant chain. We show here that combining this argument with a Titius-Bode law fit of the inner six "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.10835","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":"1807.10835","created_at":"2026-05-18T00:09:37.272463+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.10835v1","created_at":"2026-05-18T00:09:37.272463+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.10835","created_at":"2026-05-18T00:09:37.272463+00:00"},{"alias_kind":"pith_short_12","alias_value":"EP3KEF6C4VAI","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"EP3KEF6C4VAIIT3H","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"EP3KEF6C","created_at":"2026-05-18T12:32:22.470017+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/EP3KEF6C4VAIIT3HOK3EHNUKYY","json":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY.json","graph_json":"https://pith.science/api/pith-number/EP3KEF6C4VAIIT3HOK3EHNUKYY/graph.json","events_json":"https://pith.science/api/pith-number/EP3KEF6C4VAIIT3HOK3EHNUKYY/events.json","paper":"https://pith.science/paper/EP3KEF6C"},"agent_actions":{"view_html":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY","download_json":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY.json","view_paper":"https://pith.science/paper/EP3KEF6C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.10835&json=true","fetch_graph":"https://pith.science/api/pith-number/EP3KEF6C4VAIIT3HOK3EHNUKYY/graph.json","fetch_events":"https://pith.science/api/pith-number/EP3KEF6C4VAIIT3HOK3EHNUKYY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY/action/storage_attestation","attest_author":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY/action/author_attestation","sign_citation":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY/action/citation_signature","submit_replication":"https://pith.science/pith/EP3KEF6C4VAIIT3HOK3EHNUKYY/action/replication_record"}},"created_at":"2026-05-18T00:09:37.272463+00:00","updated_at":"2026-05-18T00:09:37.272463+00:00"}