{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:5OIPRIPNVBHNUMUHCDDUFWZOL2","short_pith_number":"pith:5OIPRIPN","canonical_record":{"source":{"id":"1408.2844","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-12T20:33:01Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"8da08c9b86fc4ecf89eb57397913137217b9dffca01f797d370892470edbc518","abstract_canon_sha256":"3323307535034c5ec9e4ccb07cce14439cd7e7a51bdfedf2836a9c369b0e0bb5"},"schema_version":"1.0"},"canonical_sha256":"eb90f8a1eda84eda328710c742db2e5e9023223f9601238447495d8f7eb9ad24","source":{"kind":"arxiv","id":"1408.2844","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2844","created_at":"2026-05-18T02:38:43Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2844v2","created_at":"2026-05-18T02:38:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2844","created_at":"2026-05-18T02:38:43Z"},{"alias_kind":"pith_short_12","alias_value":"5OIPRIPNVBHN","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5OIPRIPNVBHNUMUH","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5OIPRIPN","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:5OIPRIPNVBHNUMUHCDDUFWZOL2","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2844","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-12T20:33:01Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"8da08c9b86fc4ecf89eb57397913137217b9dffca01f797d370892470edbc518","abstract_canon_sha256":"3323307535034c5ec9e4ccb07cce14439cd7e7a51bdfedf2836a9c369b0e0bb5"},"schema_version":"1.0"},"canonical_sha256":"eb90f8a1eda84eda328710c742db2e5e9023223f9601238447495d8f7eb9ad24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:43.725460Z","signature_b64":"jY8DTEQx+qhnzBaiMRgm5uE23h14UYhAjhnzRCwKhFi6sdkJBDf2JZVD7Rj28NIkqgip6qM/8C3uNUBwaMbcCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb90f8a1eda84eda328710c742db2e5e9023223f9601238447495d8f7eb9ad24","last_reissued_at":"2026-05-18T02:38:43.725022Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:43.725022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2844","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:38:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3W5KbRxGA8mIP2Gnj/1o4M5erNy6y+t/35uMnb38dsaUiJCcRsuuhFPTqLRrPoxhhjQFHFLOauObo4WW+MYgAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:26:38.405444Z"},"content_sha256":"f0962bb89e677933f6cbe1aedf8490df5e2431b3b5b6bc8cbd10aea5cc140eb1","schema_version":"1.0","event_id":"sha256:f0962bb89e677933f6cbe1aedf8490df5e2431b3b5b6bc8cbd10aea5cc140eb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:5OIPRIPNVBHNUMUHCDDUFWZOL2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TRADES: A new software to derive orbital parameters from observed transit times and radial velocities. Revisiting Kepler-11 and Kepler-9","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.EP","authors_text":"Francesco Marzari, Giampaolo Piotto, Luca Borsato, Luca Malavolta, Luigi Rolly Bedin, Valentina Granata, Valerio Nascimbeni","submitted_at":"2014-08-12T20:33:01Z","abstract_excerpt":"Aims. With the purpose of determining the orbital parameters of exoplanetary systems from observational data, we have developed a software, named TRADES (TRAnsits and Dynamics of Exoplanetary Systems), to simultaneously fit observed radial velocities and transit times data. Methods. We implemented a dynamical simulator for N-body systems, which also fits the available data during the orbital integration and determines the best combination of the orbital parameters using grid search, $\\chi^2$ minimization, genetic algorithms, particle swarm optimization, and bootstrap analysis. Results. To vali"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2844","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:38:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N3XE5PGHn/tnUt5MqgF9pxTXkno075vOh4E2JZmdXzql6ZYQJ9N+BljeKq7vzkykme6xRSvaTQgGd2W6kKzJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:26:38.405798Z"},"content_sha256":"e092623bc8039c0beabda00fadccfaa4e06d9d26817e4df12e70cfe2ca361138","schema_version":"1.0","event_id":"sha256:e092623bc8039c0beabda00fadccfaa4e06d9d26817e4df12e70cfe2ca361138"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2/bundle.json","state_url":"https://pith.science/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-04T02:26:38Z","links":{"resolver":"https://pith.science/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2","bundle":"https://pith.science/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2/bundle.json","state":"https://pith.science/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5OIPRIPNVBHNUMUHCDDUFWZOL2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5OIPRIPNVBHNUMUHCDDUFWZOL2","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":"3323307535034c5ec9e4ccb07cce14439cd7e7a51bdfedf2836a9c369b0e0bb5","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-12T20:33:01Z","title_canon_sha256":"8da08c9b86fc4ecf89eb57397913137217b9dffca01f797d370892470edbc518"},"schema_version":"1.0","source":{"id":"1408.2844","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2844","created_at":"2026-05-18T02:38:43Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2844v2","created_at":"2026-05-18T02:38:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2844","created_at":"2026-05-18T02:38:43Z"},{"alias_kind":"pith_short_12","alias_value":"5OIPRIPNVBHN","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"5OIPRIPNVBHNUMUH","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"5OIPRIPN","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:e092623bc8039c0beabda00fadccfaa4e06d9d26817e4df12e70cfe2ca361138","target":"graph","created_at":"2026-05-18T02:38:43Z","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":"Aims. With the purpose of determining the orbital parameters of exoplanetary systems from observational data, we have developed a software, named TRADES (TRAnsits and Dynamics of Exoplanetary Systems), to simultaneously fit observed radial velocities and transit times data. Methods. We implemented a dynamical simulator for N-body systems, which also fits the available data during the orbital integration and determines the best combination of the orbital parameters using grid search, $\\chi^2$ minimization, genetic algorithms, particle swarm optimization, and bootstrap analysis. Results. To vali","authors_text":"Francesco Marzari, Giampaolo Piotto, Luca Borsato, Luca Malavolta, Luigi Rolly Bedin, Valentina Granata, Valerio Nascimbeni","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-12T20:33:01Z","title":"TRADES: A new software to derive orbital parameters from observed transit times and radial velocities. Revisiting Kepler-11 and Kepler-9"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2844","kind":"arxiv","version":2},"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:f0962bb89e677933f6cbe1aedf8490df5e2431b3b5b6bc8cbd10aea5cc140eb1","target":"record","created_at":"2026-05-18T02:38:43Z","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":"3323307535034c5ec9e4ccb07cce14439cd7e7a51bdfedf2836a9c369b0e0bb5","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-08-12T20:33:01Z","title_canon_sha256":"8da08c9b86fc4ecf89eb57397913137217b9dffca01f797d370892470edbc518"},"schema_version":"1.0","source":{"id":"1408.2844","kind":"arxiv","version":2}},"canonical_sha256":"eb90f8a1eda84eda328710c742db2e5e9023223f9601238447495d8f7eb9ad24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb90f8a1eda84eda328710c742db2e5e9023223f9601238447495d8f7eb9ad24","first_computed_at":"2026-05-18T02:38:43.725022Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:43.725022Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jY8DTEQx+qhnzBaiMRgm5uE23h14UYhAjhnzRCwKhFi6sdkJBDf2JZVD7Rj28NIkqgip6qM/8C3uNUBwaMbcCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:43.725460Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2844","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0962bb89e677933f6cbe1aedf8490df5e2431b3b5b6bc8cbd10aea5cc140eb1","sha256:e092623bc8039c0beabda00fadccfaa4e06d9d26817e4df12e70cfe2ca361138"],"state_sha256":"05d4b78e3625562e2101912f8b82d5e7a82749eca553af25058afa693b7ec5a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qy0QvoMkZcIyTXg3+TqQH2YslNnY0AoW4JVpP42KRRr0cDk4flP8p5vddWYeoabJ7fTmTAf83nk9ON3TYc8OCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:26:38.408269Z","bundle_sha256":"ac36ae2522c60e5147b6affef4f0ec795e11ccb11101523b188c65d1465c2d76"}}