{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:75AETVOGVMRWXLWFZZ6EXD4VP7","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":"a48cd5d4bc0491dedcba8267dcf6f2492546af703ac54e8c4fdbd6aa01bf2a0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-06T23:32:35Z","title_canon_sha256":"395a3852723aac3c46feafc6fa8cfccd32568d34b20f962e6bbc85e429854fe1"},"schema_version":"1.0","source":{"id":"1612.02072","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02072","created_at":"2026-05-18T00:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02072v1","created_at":"2026-05-18T00:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02072","created_at":"2026-05-18T00:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"75AETVOGVMRW","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"75AETVOGVMRWXLWF","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"75AETVOG","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:974b6531217601bcb56b0b78d717127ece88cfd8466aa8a3dc8bcb029eb1f64a","target":"graph","created_at":"2026-05-18T00:47:49Z","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 second long-period giant planet orbiting HD 30177, a star previously known to host a massive Jupiter analog (HD 30177b: a=3.8$\\pm$0.1 au, m sin $i=9.7\\pm$0.5 Mjup). HD 30177c can be regarded as a massive Saturn analog in this system, with a=9.9$\\pm$1.0 au and m sin $i=7.6\\pm$3.1 Mjup. The formal best fit solution slightly favours a closer-in planet at $a\\sim$7 au, but detailed n-body dynamical simulations show that configuration to be unstable. A shallow local minimum of longer-period, lower-eccentricity solutions was found to be dynamically stable, and hence we ad","authors_text":"B.D. Carter, C.G. Tinney, D.J. Wright, G. Anglada-Escude, H.R.A. Jones, J. Bailey, Jonathan Horner, M.W. Mengel, Robert A. Wittenmyer, R.P. Butler, Simon J. O'Toole","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-06T23:32:35Z","title":"The Anglo-Australian Planet Search XXV: A Candidate Massive Saturn Analog Orbiting HD 30177"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02072","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":"sha256:11b30ab58244b70c8100597b05603b29acc58af26f85c59b77ef680e0d1b6834","target":"record","created_at":"2026-05-18T00:47:49Z","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":"a48cd5d4bc0491dedcba8267dcf6f2492546af703ac54e8c4fdbd6aa01bf2a0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-12-06T23:32:35Z","title_canon_sha256":"395a3852723aac3c46feafc6fa8cfccd32568d34b20f962e6bbc85e429854fe1"},"schema_version":"1.0","source":{"id":"1612.02072","kind":"arxiv","version":1}},"canonical_sha256":"ff4049d5c6ab236baec5ce7c4b8f957fe05b6b9231800bc838b6eb91964e0c12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff4049d5c6ab236baec5ce7c4b8f957fe05b6b9231800bc838b6eb91964e0c12","first_computed_at":"2026-05-18T00:47:49.023063Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:49.023063Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"49o1pPez4y7SDAnTtgDC69lKNWYuIYOnHvcVyp4P4kiXMg90CtvvMfbAb0CIcFWCvURvLq6IaW8MZGuM1Cv1Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:49.023727Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.02072","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11b30ab58244b70c8100597b05603b29acc58af26f85c59b77ef680e0d1b6834","sha256:974b6531217601bcb56b0b78d717127ece88cfd8466aa8a3dc8bcb029eb1f64a"],"state_sha256":"fc95c1ed26f87bf7bf5d95c7e0f483730b5adb02501cab11bd8d30f021bd0448"}