{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Y2LU7G2Q3NT2AYXK5CH7SJH5LR","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":"8c0a3d41619aac5cde4a916dafa46e0d1eb3c3a3d04920ac91145557e64fb57a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-22T15:23:43Z","title_canon_sha256":"6d4fdb183a7ea3400feaccd4774e6bfa90f34813ef9eb7195f58562dd22f7bcb"},"schema_version":"1.0","source":{"id":"1304.5984","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.5984","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"arxiv_version","alias_value":"1304.5984v1","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.5984","created_at":"2026-05-18T01:25:31Z"},{"alias_kind":"pith_short_12","alias_value":"Y2LU7G2Q3NT2","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y2LU7G2Q3NT2AYXK","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y2LU7G2Q","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:664a8e0514d10ef563d4954e3c72f28a39b8e49031a3b5a1c07e490fcd8447e3","target":"graph","created_at":"2026-05-18T01:25:31Z","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":"In this paper we investigate the nature of 27 star cluster candidates, most of them projected towards the Galactic anticentre. We derive fundamental parameters for 20 confirmed clusters, among these 7 are new identifications. Four of the remaining are uncertain cases that require deeper photometry to establish their nature, and 4 are probably field fluctuations. In addition, we provide a partial census of the open clusters towards the Galactic anticentre. We also include in this study some interesting objects outside the anticentre region, in the second and third Galactic quadrants, mainly in ","authors_text":"Charles Bonatto, Denilso Camargo, Eduardo Bica","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-22T15:23:43Z","title":"Towards a census of the Galactic anticentre star clusters - III: tracing the spiral structure in the Outer Disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.5984","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":"sha256:460abcfeb63cd0fdddb113eb87831fa1a9fec54d86a5dd7c3154d8117e55e184","target":"record","created_at":"2026-05-18T01:25:31Z","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":"8c0a3d41619aac5cde4a916dafa46e0d1eb3c3a3d04920ac91145557e64fb57a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-04-22T15:23:43Z","title_canon_sha256":"6d4fdb183a7ea3400feaccd4774e6bfa90f34813ef9eb7195f58562dd22f7bcb"},"schema_version":"1.0","source":{"id":"1304.5984","kind":"arxiv","version":1}},"canonical_sha256":"c6974f9b50db67a062eae88ff924fd5c58c3b3fdf215efe269d01e01afafeeb2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6974f9b50db67a062eae88ff924fd5c58c3b3fdf215efe269d01e01afafeeb2","first_computed_at":"2026-05-18T01:25:31.015465Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:31.015465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jdAX3KRLT8JC36ut1mWZ0wIiNeuN6CW9AJga4s3rXRjDrYyg4TLy0sOjEhhdjYQXeaVavNdaB9YBsZo78PIpCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:31.016072Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.5984","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:460abcfeb63cd0fdddb113eb87831fa1a9fec54d86a5dd7c3154d8117e55e184","sha256:664a8e0514d10ef563d4954e3c72f28a39b8e49031a3b5a1c07e490fcd8447e3"],"state_sha256":"5681f9ebabf4fe417e1efa3230ca8b3c222f4ae18f0e68d0bfe0760ac1faed1c"}