{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MPU2ERZAK6KMZTGQ7SVB3Q62EX","short_pith_number":"pith:MPU2ERZA","canonical_record":{"source":{"id":"1308.3549","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-16T04:26:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"23358b4630fd97615b8401c24e8048cdaeecb283f27fb2238f201cdfe7cea9c7","abstract_canon_sha256":"a5cfb1ce1d76601e3af59d7b9e1aa08cfdf66cbc0ce4a74eecc24cf084c0987e"},"schema_version":"1.0"},"canonical_sha256":"63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d","source":{"kind":"arxiv","id":"1308.3549","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3549","created_at":"2026-05-18T01:48:14Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3549v1","created_at":"2026-05-18T01:48:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3549","created_at":"2026-05-18T01:48:14Z"},{"alias_kind":"pith_short_12","alias_value":"MPU2ERZAK6KM","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MPU2ERZAK6KMZTGQ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MPU2ERZA","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MPU2ERZAK6KMZTGQ7SVB3Q62EX","target":"record","payload":{"canonical_record":{"source":{"id":"1308.3549","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-16T04:26:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"23358b4630fd97615b8401c24e8048cdaeecb283f27fb2238f201cdfe7cea9c7","abstract_canon_sha256":"a5cfb1ce1d76601e3af59d7b9e1aa08cfdf66cbc0ce4a74eecc24cf084c0987e"},"schema_version":"1.0"},"canonical_sha256":"63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:14.795481Z","signature_b64":"z1nwcezgvRj6uwPgVHrcEMJ45fByDvutKpg7k7DSSHP9rcw44RttTI8FTJljH5KpnudPjcxUBFuMK7jmOAK5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d","last_reissued_at":"2026-05-18T01:48:14.794841Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:14.794841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.3549","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:48:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vm5neB7OiZ6QwGLFC1YUDVRRa3WvjY5sAf1SRDD5tNiav88u185+mSU/aIDQ0V1PK9QnWOFkOkWhxWkVOYemAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:04:33.419861Z"},"content_sha256":"e074abd9ad7a7e78c627478cd32d2a7b1a99085fd74485229fa8233bb49f87e3","schema_version":"1.0","event_id":"sha256:e074abd9ad7a7e78c627478cd32d2a7b1a99085fd74485229fa8233bb49f87e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MPU2ERZAK6KMZTGQ7SVB3Q62EX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical Constraints on Exoplanets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Chris Tinney, Jonathan P. Marshall, Jonti Horner, Robert A. Wittenmyer, Tobias C. Hinse","submitted_at":"2013-08-16T04:26:04Z","abstract_excerpt":"Dynamical studies of new exoplanet systems are a critical component of the discovery and characterisation process. Such studies can provide firmer constraints on the parameters of the newly discovered planets, and may even reveal that the proposed planets do not stand up to dynamical scrutiny. Here, we demonstrate how dynamical studies can assist the characterisation of such systems through two examples: QS Virginis and HD 73526."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3549","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:48:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kwn3hU547F7RPipdJzED4JqnMcG4X+O1hPygh0I22RGl8dS93pkxKV/U/vQFtmhMgx4Qizv79s6QDAQJRSmeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:04:33.420210Z"},"content_sha256":"83832729ad23784e0761c99e31967c2d0534a6b0ec45ebe3836a21ffa997cd9d","schema_version":"1.0","event_id":"sha256:83832729ad23784e0761c99e31967c2d0534a6b0ec45ebe3836a21ffa997cd9d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX/bundle.json","state_url":"https://pith.science/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX/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":"2026-05-28T03:04:33Z","links":{"resolver":"https://pith.science/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX","bundle":"https://pith.science/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX/bundle.json","state":"https://pith.science/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MPU2ERZAK6KMZTGQ7SVB3Q62EX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MPU2ERZAK6KMZTGQ7SVB3Q62EX","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":"a5cfb1ce1d76601e3af59d7b9e1aa08cfdf66cbc0ce4a74eecc24cf084c0987e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-16T04:26:04Z","title_canon_sha256":"23358b4630fd97615b8401c24e8048cdaeecb283f27fb2238f201cdfe7cea9c7"},"schema_version":"1.0","source":{"id":"1308.3549","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3549","created_at":"2026-05-18T01:48:14Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3549v1","created_at":"2026-05-18T01:48:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3549","created_at":"2026-05-18T01:48:14Z"},{"alias_kind":"pith_short_12","alias_value":"MPU2ERZAK6KM","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MPU2ERZAK6KMZTGQ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MPU2ERZA","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:83832729ad23784e0761c99e31967c2d0534a6b0ec45ebe3836a21ffa997cd9d","target":"graph","created_at":"2026-05-18T01:48:14Z","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":"Dynamical studies of new exoplanet systems are a critical component of the discovery and characterisation process. Such studies can provide firmer constraints on the parameters of the newly discovered planets, and may even reveal that the proposed planets do not stand up to dynamical scrutiny. Here, we demonstrate how dynamical studies can assist the characterisation of such systems through two examples: QS Virginis and HD 73526.","authors_text":"Chris Tinney, Jonathan P. Marshall, Jonti Horner, Robert A. Wittenmyer, Tobias C. Hinse","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-16T04:26:04Z","title":"Dynamical Constraints on Exoplanets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3549","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:e074abd9ad7a7e78c627478cd32d2a7b1a99085fd74485229fa8233bb49f87e3","target":"record","created_at":"2026-05-18T01:48:14Z","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":"a5cfb1ce1d76601e3af59d7b9e1aa08cfdf66cbc0ce4a74eecc24cf084c0987e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-16T04:26:04Z","title_canon_sha256":"23358b4630fd97615b8401c24e8048cdaeecb283f27fb2238f201cdfe7cea9c7"},"schema_version":"1.0","source":{"id":"1308.3549","kind":"arxiv","version":1}},"canonical_sha256":"63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63e9a247205794ccccd0fcaa1dc3da25d7f2930cdda6710c5c2019f34a2d059d","first_computed_at":"2026-05-18T01:48:14.794841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:14.794841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z1nwcezgvRj6uwPgVHrcEMJ45fByDvutKpg7k7DSSHP9rcw44RttTI8FTJljH5KpnudPjcxUBFuMK7jmOAK5Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:14.795481Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.3549","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e074abd9ad7a7e78c627478cd32d2a7b1a99085fd74485229fa8233bb49f87e3","sha256:83832729ad23784e0761c99e31967c2d0534a6b0ec45ebe3836a21ffa997cd9d"],"state_sha256":"181ed23b19066de45b3973a3dd7b57a2f9ded1f37605c715128671a1ddb5c215"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"twJ/gsNaUnU0OZb7lUtzVF5SN9DUQskySPmu7LcFQm4OxEGK6JE+OJmFgr0SgQa3qog0teIFrFtuuhdOv8h3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:04:33.422163Z","bundle_sha256":"d73580c488e711c9cd9412b052b91c1ffa4b9fc38f6a42ca252646158ac2640e"}}