{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HBFNNDJE26OGGZ5WFFGSWUNYJS","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7397341019353135be825d99c5cbb17c81435e4628b36c2464c228541cd3ddb5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-02-26T03:51:33Z","title_canon_sha256":"6093d4a668cf16939095a180cdc908cb4a2cce756c21a0559d5b08153327c3b3"},"schema_version":"1.0","source":{"id":"1902.09719","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09719","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09719v1","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09719","created_at":"2026-05-17T23:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"HBFNNDJE26OG","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HBFNNDJE26OGGZ5W","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HBFNNDJE","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:c419afff70da8556bc47c7251676f36c82d3b5c1753b3954b9b823748f9b4df0","target":"graph","created_at":"2026-05-17T23:49:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a detailed characterization of the Kepler-411 system (KOI 1781). This system was previously known to host two transiting planets: one with a period of 3 days ($R=2.4R_\\oplus$; Kepler-411b) and one with a period of 7.8 days ($R=4.4R_\\oplus$; Kepler-411c), as well as a transiting planetary candidate with a 58-day period ($R=3.3R_\\oplus$; KOI 1781.03) from Kepler photometry. Here, we combine Kepler photometry data and new transit timing variation (TTV) measurements from all the Kepler quarters with previous adaptive-optics imaging results, and dynamical simulations, in order to constra","authors_text":"J. H. M. M. Schmitt, Leilei Sun, M.B.N. Kouwenhoven, P. Ioannidis, Shenghong Gu, Xiaobin Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-02-26T03:51:33Z","title":"Kepler-411: a four-planet system with an active host star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09719","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:824c3798bf5a074e62cb78a020023240f8e7f269ac91a90cfdd9ec64df93834f","target":"record","created_at":"2026-05-17T23:49:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7397341019353135be825d99c5cbb17c81435e4628b36c2464c228541cd3ddb5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-02-26T03:51:33Z","title_canon_sha256":"6093d4a668cf16939095a180cdc908cb4a2cce756c21a0559d5b08153327c3b3"},"schema_version":"1.0","source":{"id":"1902.09719","kind":"arxiv","version":1}},"canonical_sha256":"384ad68d24d79c6367b6294d2b51b84c9d070b17213ab5e48a7b9fda2932c9c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"384ad68d24d79c6367b6294d2b51b84c9d070b17213ab5e48a7b9fda2932c9c7","first_computed_at":"2026-05-17T23:49:38.804860Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:38.804860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hiigVckPxwMVptvwr1QmapMzEqUXeme40CkK3w43wqohG9Ca18GmHUfNftfYSA+0vJD9gvJM+RxLkU1ewXq2CQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:38.805533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.09719","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:824c3798bf5a074e62cb78a020023240f8e7f269ac91a90cfdd9ec64df93834f","sha256:c419afff70da8556bc47c7251676f36c82d3b5c1753b3954b9b823748f9b4df0"],"state_sha256":"bc1b95f519531c08d993d406a7741e667a00674e796b494fc6a9f6760d3108fb"}