{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1994:MWFKPOKSYUJCOWWI6FHMNGJ6WR","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":"7ef16a4c7b253a152b1f4ff611087a0fef8e9094188aebfed74b5d0bc556fa71","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1994-06-08T16:12:00Z","title_canon_sha256":"635b6f1c084b030c69b031eed1b034233362e2b6bd28359e79b9e7096134fd34"},"schema_version":"1.0","source":{"id":"astro-ph/9406025","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9406025","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9406025v3","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9406025","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"MWFKPOKSYUJC","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"MWFKPOKSYUJCOWWI","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"MWFKPOKS","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:30ec37996fc5681ee1f47a5d68c58fd18729f371d9cb8099a2fc6294a39badfa","target":"graph","created_at":"2026-05-18T04:21:41Z","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":"Galactic open clusters provide an abundant sample of stellar aggregates of various sizes, ages and metal abundances, apt to constitute a template for comparison with star systems in other galaxies. In this paper we present and discuss a standard methodology to synthesize {\\sl U,B,V} fluxes and colours, and apply it to a set of 138 open clusters. Results are compared with previous available ones in the literature. We were able to calibrate a mass--luminosity relation by which we evaluated the mass of $\\simeq 400$ open clusters, leading to a well defined present--day mass function. The number--c","authors_text":"A. Brandimarti, P. Battinelli, R. Capuzzo--Dolcetta","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1994-06-08T16:12:00Z","title":"Integrated photometric properties of open clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9406025","kind":"arxiv","version":3},"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":"sha256:37a1183b24691aac2f711450f0c9f7c2dad819016958142008c973ef45794771","target":"record","created_at":"2026-05-18T04:21:41Z","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":"7ef16a4c7b253a152b1f4ff611087a0fef8e9094188aebfed74b5d0bc556fa71","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1994-06-08T16:12:00Z","title_canon_sha256":"635b6f1c084b030c69b031eed1b034233362e2b6bd28359e79b9e7096134fd34"},"schema_version":"1.0","source":{"id":"astro-ph/9406025","kind":"arxiv","version":3}},"canonical_sha256":"658aa7b952c512275ac8f14ec6993eb47270c626b8f2ec46ff1c647a3685099c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"658aa7b952c512275ac8f14ec6993eb47270c626b8f2ec46ff1c647a3685099c","first_computed_at":"2026-05-18T04:21:41.234118Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:41.234118Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yc4IUSm4TuvcmNeZWa5NEAkMo4i5iMiFrQ0RHJzs8yUdN9yzCpvjeWd9q0rxKobav/5FX2Kvnw7D2ZvazD+2DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:41.234638Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9406025","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37a1183b24691aac2f711450f0c9f7c2dad819016958142008c973ef45794771","sha256:30ec37996fc5681ee1f47a5d68c58fd18729f371d9cb8099a2fc6294a39badfa"],"state_sha256":"9bde0364ab8874e3b47437f39e73782e0dacdec00e144ade8b4cc6c0a2e5d2ec"}