{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QL7ON3WCH6LPFQKMUPGXPAOSIX","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":"3615ed52ae95b6ef9a755f3465aace80f8f86fe443bffe9c6fa27cd5bf903d2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-27T14:46:15Z","title_canon_sha256":"00e275b100325a16d8a0c422e435e86b93d872d3d955da76d6cd7c353d6c0bb1"},"schema_version":"1.0","source":{"id":"1006.5217","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5217","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5217v1","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5217","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"pith_short_12","alias_value":"QL7ON3WCH6LP","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QL7ON3WCH6LPFQKM","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QL7ON3WC","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:f3c5dc3978edf661ceffc60069d2f31490a3887a1c94c46c30656f9f9f736987","target":"graph","created_at":"2026-05-18T02:06:35Z","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 present precise and deep optical photometry of the globular M92. Data were collected in three different photometric systems: Sloan Digital Sky Survey (g',r',i',z'; MegaCam@CFHT), Johnson-Kron-Cousins (B, V, I; various ground-based telescopes) and Advanced Camera for Surveys (ACS) Vegamag (F475W, F555W, F814W; Hubble Space Telescope). Special attention was given to the photometric calibration, and the precision of the ground-based data is generally better than 0.01 mag. We computed a new set of {\\alpha}-enhanced evolutionary models accounting for the gravitational settling of heavy elements ","authors_text":"A. Calamida, A. Di Cecco, A. R. Walker, A. Weiss, C. E. Corsi, F. Caputo, G. Bono, G. Iannicola, I. Ferraro, L. Pulone, M. Monelli, M. Nonino, M. Romaniello, P. B. Stetson, P. G. Prada Moroni, R. Becucci, R. Buonanno, S. Degl'Innocenti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-27T14:46:15Z","title":"On the absolute age of the Globular Cluster M92"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5217","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":"sha256:9bfc55e7c79393ec00d72ad554c6e14d3f8c730200679c53ec7297d25dbf5655","target":"record","created_at":"2026-05-18T02:06:35Z","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":"3615ed52ae95b6ef9a755f3465aace80f8f86fe443bffe9c6fa27cd5bf903d2d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-27T14:46:15Z","title_canon_sha256":"00e275b100325a16d8a0c422e435e86b93d872d3d955da76d6cd7c353d6c0bb1"},"schema_version":"1.0","source":{"id":"1006.5217","kind":"arxiv","version":1}},"canonical_sha256":"82fee6eec23f96f2c14ca3cd7781d245d2f8815e707f7bfde9dcccec8d378a02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82fee6eec23f96f2c14ca3cd7781d245d2f8815e707f7bfde9dcccec8d378a02","first_computed_at":"2026-05-18T02:06:35.123257Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:35.123257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vGjjnoPSu1TV8Q3RHdPc9dR779JoRoH/W/sBFY34lRrrOaU0Eca+rhMNGMluVQ3PFt9/jTKIRUeQ/og9iyEjBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:35.123995Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.5217","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9bfc55e7c79393ec00d72ad554c6e14d3f8c730200679c53ec7297d25dbf5655","sha256:f3c5dc3978edf661ceffc60069d2f31490a3887a1c94c46c30656f9f9f736987"],"state_sha256":"d2e169ea6474f393f75e519a435aa5d428a3715c0b33d41c2763c6ae9175a735"}