{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ENW7D35M5FI5NDB6SVO3EGOEXV","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":"c0702c63a2f955ace0831b1c226f9350c65b4cacac8e7ad11bb1a0e01ae6d155","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-15T13:40:15Z","title_canon_sha256":"d2493d101673b1fe791208caf6f6d451e5b096657103577b994ff655c9528b3e"},"schema_version":"1.0","source":{"id":"1307.3935","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.3935","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1307.3935v1","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.3935","created_at":"2026-05-18T01:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"ENW7D35M5FI5","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"ENW7D35M5FI5NDB6","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"ENW7D35M","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:a5925a258b7ae6c57a3da1eea9e00cbf2d15d3c747bbdaa70c88f3c47cb8e1a5","target":"graph","created_at":"2026-05-18T01:48:50Z","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 build differential-reddening maps for 66 Galactic globular clusters (GCs) with archival HST WFC/ACS F606W and F814W photometry. Because of the different GC sizes (characterised by the half-light radius $R_h$) and distances to the Sun, the WFC/ACS field of view ($200\\arcsec\\times200\\arcsec$) coverage ($R_{obs}$) lies in the range $1\\la R_{obs}/R_h\\la15$ for about 85% of the sample, with about 10% covering only the inner ($R_{obs}\\la R_h$) parts. We divide the WFC/ACS field of view across each cluster in a regular cell grid, and extract the stellar-density Hess diagram from each cell, shiftin","authors_text":"Charles Bonatto, Fab\\'iola Campos, Kepler S. Oliveira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-15T13:40:15Z","title":"Mapping the differential reddening in globular clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.3935","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":"sha256:3520afbab19499ba327334e8f97928f9b29c2232f4ae4c05e49db6f7b3b64a74","target":"record","created_at":"2026-05-18T01:48:50Z","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":"c0702c63a2f955ace0831b1c226f9350c65b4cacac8e7ad11bb1a0e01ae6d155","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-07-15T13:40:15Z","title_canon_sha256":"d2493d101673b1fe791208caf6f6d451e5b096657103577b994ff655c9528b3e"},"schema_version":"1.0","source":{"id":"1307.3935","kind":"arxiv","version":1}},"canonical_sha256":"236df1eface951d68c3e955db219c4bd766f6925e1d693ca1dee99a17dd67b71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"236df1eface951d68c3e955db219c4bd766f6925e1d693ca1dee99a17dd67b71","first_computed_at":"2026-05-18T01:48:50.200640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:50.200640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SJozO0UsGFAJwu2bW5mmxALc6WFArAX/SDktko2+bZAT2YKZ5XAGKxqlaA5XmYxdoB7vlG0SUErHWSrMBe54Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:50.201297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.3935","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3520afbab19499ba327334e8f97928f9b29c2232f4ae4c05e49db6f7b3b64a74","sha256:a5925a258b7ae6c57a3da1eea9e00cbf2d15d3c747bbdaa70c88f3c47cb8e1a5"],"state_sha256":"8744b68e3352e331eb68d060fd90a73a602c4dd4321a76b57d98bbc453cee014"}