{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DUP33ZRPQWUEMAZPJ37SAR3YKD","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":"8550071032d30f3abc7da8090207e862016f3dae14fb868060a6ce145eecaa71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-22T00:13:12Z","title_canon_sha256":"170b8f603646c7a4ba09f597a807d79694f2a22af26c756668e4b6ed3aea2e55"},"schema_version":"1.0","source":{"id":"1209.4942","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.4942","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1209.4942v1","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.4942","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"DUP33ZRPQWUE","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DUP33ZRPQWUEMAZP","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DUP33ZRP","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:8a1d671ffbf71a353b3fb1a100f18d383329636952cb4db4f9a542c1da55407d","target":"graph","created_at":"2026-05-18T01:54:19Z","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":"New photometric material is presented for 6 outer disk supposedly old, Galact ic star clusters: Berkeley 76, Haffner 4, Ruprecht 10, Haffner 7, Haffner 11, and Haffner 15, that are projected against the rich and complex Canis Major overde nsity at $225^o \\leq l \\leq 248^o $, $-7^o \\leq b \\leq -2^o$. This CCD data-set, in the UBVI pass-bands, is used to derive their fundamental parameters, in particular age and distance. Four of the program clusters turn out to be older than 1 Gyr. This fact makes them ideal targets for future spectroscopic campaigns aiming at deriving their metal abundances. T","authors_text":"Gianni Marconi (ESO-Chile), Giovanni Carraro (ESO-Chile), Yuri Beletsky (LCO)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-22T00:13:12Z","title":"Five old open clusters more in the outer Galactic disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.4942","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":"sha256:4a9240de7c74298149ea6d2215abc753046a575423cb789c73528ba7e55313b9","target":"record","created_at":"2026-05-18T01:54:19Z","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":"8550071032d30f3abc7da8090207e862016f3dae14fb868060a6ce145eecaa71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-22T00:13:12Z","title_canon_sha256":"170b8f603646c7a4ba09f597a807d79694f2a22af26c756668e4b6ed3aea2e55"},"schema_version":"1.0","source":{"id":"1209.4942","kind":"arxiv","version":1}},"canonical_sha256":"1d1fbde62f85a846032f4eff20477850fd1c9631e451c82168e5ac90beeffd80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d1fbde62f85a846032f4eff20477850fd1c9631e451c82168e5ac90beeffd80","first_computed_at":"2026-05-18T01:54:19.943636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:19.943636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"us7pj0z1rpbOPvdkBfPi/JZRKG1ZX8qgDqhEBVw/9WEZj1qLl+c5GVQ7g5lKTHiTpnVktDli1jjfnWVRoTgSBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:19.944185Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.4942","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a9240de7c74298149ea6d2215abc753046a575423cb789c73528ba7e55313b9","sha256:8a1d671ffbf71a353b3fb1a100f18d383329636952cb4db4f9a542c1da55407d"],"state_sha256":"ef23fb5dd99761f82ddbbd4480f0e86a648562ebacf0fbc1725a9d8a07c9fd22"}