{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YK5WHVXCFORP4NND567T2FVVVY","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":"7675c6b78dfbe05034e7bb9b3ba50006fd58f9e1330ca8bc864b7b80443e0178","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-16T20:40:55Z","title_canon_sha256":"7db25ac02b598a341e08c0b7422f737b9e21f6319ca2f742dda66e29d2fc49f1"},"schema_version":"1.0","source":{"id":"1411.4302","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.4302","created_at":"2026-05-18T02:26:58Z"},{"alias_kind":"arxiv_version","alias_value":"1411.4302v2","created_at":"2026-05-18T02:26:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.4302","created_at":"2026-05-18T02:26:58Z"},{"alias_kind":"pith_short_12","alias_value":"YK5WHVXCFORP","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YK5WHVXCFORP4NND","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YK5WHVXC","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:e06cc75110fab299552a69df960e764bcfef2bd060a9e38a55a65fb9029b378e","target":"graph","created_at":"2026-05-18T02:26:58Z","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":"This article aims to measure the age of planet-hosting stars (SWP) through stellar tracks and isochrones computed with the \\textsl{PA}dova \\& T\\textsl{R}ieste \\textsl{S}tellar \\textsl{E}volutionary \\textsl{C}ode (PARSEC). We developed algorithms based on two different techniques for determining the ages of field stars: \\emph{isochrone placement} and \\emph{Bayesian estimation}. Their application to a synthetic sample of coeval stars shows the intrinsic limits of each method. For instance, the Bayesian computation of the modal age tends to select the extreme age values in the isochrones grid. Th","authors_text":"Andrea Bonfanti, Giampaolo Piotto, Sergio Ortolani, Valerio Nascimbeni","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-16T20:40:55Z","title":"Revising the ages of planet-hosting stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.4302","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:d70bc7af513596e59b067b0b0d82394317e696393905dae46a0f58ca48a9859d","target":"record","created_at":"2026-05-18T02:26:58Z","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":"7675c6b78dfbe05034e7bb9b3ba50006fd58f9e1330ca8bc864b7b80443e0178","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-11-16T20:40:55Z","title_canon_sha256":"7db25ac02b598a341e08c0b7422f737b9e21f6319ca2f742dda66e29d2fc49f1"},"schema_version":"1.0","source":{"id":"1411.4302","kind":"arxiv","version":2}},"canonical_sha256":"c2bb63d6e22ba2fe35a3efbf3d16b5ae303622bf661d1c6f333a0ae36f526fca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2bb63d6e22ba2fe35a3efbf3d16b5ae303622bf661d1c6f333a0ae36f526fca","first_computed_at":"2026-05-18T02:26:58.667307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:58.667307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qz+TWcjFe/O9NjA3SLEs2o7qWzEDvigtSEy1H5RoNXOVVC/8bfVI7IwgneV5Z5JFXbMsy+a1W2lQVkxx/85wDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:58.667883Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.4302","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d70bc7af513596e59b067b0b0d82394317e696393905dae46a0f58ca48a9859d","sha256:e06cc75110fab299552a69df960e764bcfef2bd060a9e38a55a65fb9029b378e"],"state_sha256":"17fb9d2ac07010f14f7aca222f0fdf4dee078ee4b9b38f189f604a8e5f445fa5"}