{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:J4SDCWZJBZWYKHVVOLCLFZJFYW","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":"3836fd1a80860c91784ae3f9eaa32a3bd399b3a2e6e9d405a91ab33c6b8dca06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-01-05T11:49:24Z","title_canon_sha256":"c4c7bc796902bb062bd4ce784b62c751226bd23a6d597f47c513d02787d459c5"},"schema_version":"1.0","source":{"id":"1001.0682","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0682","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0682v1","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0682","created_at":"2026-05-18T02:10:05Z"},{"alias_kind":"pith_short_12","alias_value":"J4SDCWZJBZWY","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"J4SDCWZJBZWYKHVV","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"J4SDCWZJ","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:225eaee8d4dd828e47abdbdcd933533d2655d471b386e9e24eee09cdb2b01361","target":"graph","created_at":"2026-05-18T02:10:05Z","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 report the discovery of a planetary system around HD9446, performed from radial velocity measurements secured with the spectrograph SOPHIE at the 193-cm telescope of the Haute-Provence Observatory during more than two years. At least two planets orbit this G5V, active star: HD9446b has a minimum mass of 0.7 M_Jup and a slightly eccentric orbit with a period of 30 days, whereas HD9446c has a minimum mass of 1.8 M_Jup and a circular orbit with a period of 193 days. As for most of the known multi-planet systems, the HD9446-system presents a hierarchical disposition, with a massive outer planet","authors_text":"A. Eggenberger, A.-M. Lagrange, A. Vidal-Madjar, C. Lovis, C. Moutou, C. Perrier, D. Ehrenreich, D. Queloz, D. Segransan, F. Bouchy, F. Pepe, F. Pont, G. Hebrard, I. Boisse, L. Arnold, M. Desort, N.C. Santos, R.F. Diaz, S. Udry, T. Forveille, X. Bonfils, X. Delfosse","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-01-05T11:49:24Z","title":"The SOPHIE search for northern extrasolar planets. II. A multi-planet system around HD9446"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0682","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":"sha256:3543abda070166fc1e0bfa0de0d80486617b569cd7eab1bbb02cb425bf00f53b","target":"record","created_at":"2026-05-18T02:10:05Z","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":"3836fd1a80860c91784ae3f9eaa32a3bd399b3a2e6e9d405a91ab33c6b8dca06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-01-05T11:49:24Z","title_canon_sha256":"c4c7bc796902bb062bd4ce784b62c751226bd23a6d597f47c513d02787d459c5"},"schema_version":"1.0","source":{"id":"1001.0682","kind":"arxiv","version":1}},"canonical_sha256":"4f24315b290e6d851eb572c4b2e525c5b4a159fa235086ba80081837aa98f9a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f24315b290e6d851eb572c4b2e525c5b4a159fa235086ba80081837aa98f9a2","first_computed_at":"2026-05-18T02:10:05.002663Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:05.002663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IUSrKI43OqW0TrCFwdcHR+ohb/O7LJRFd7dwjiFntGTSrOrKPmhVCUCUE5LytSrK0RPOWwArtCCz6xd41V7NBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:05.003402Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.0682","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3543abda070166fc1e0bfa0de0d80486617b569cd7eab1bbb02cb425bf00f53b","sha256:225eaee8d4dd828e47abdbdcd933533d2655d471b386e9e24eee09cdb2b01361"],"state_sha256":"75671654ebc910fba37eecf4775ae6b2d5baa008645f1f502a3d8d9977b321c8"}