{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RE6CKY5OMOIKCFUZENWOWFGVTA","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":"558411c202293d8391bfa00f2eaff0f01190767b41431d6cd5ce85ef42161786","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-04T15:21:31Z","title_canon_sha256":"e9d1e15e6dafa39dc8fe3da4d8aa1e16c6bb1c1f5faafe5d8a8675b143cc7dbb"},"schema_version":"1.0","source":{"id":"1602.01708","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.01708","created_at":"2026-05-18T00:22:29Z"},{"alias_kind":"arxiv_version","alias_value":"1602.01708v1","created_at":"2026-05-18T00:22:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01708","created_at":"2026-05-18T00:22:29Z"},{"alias_kind":"pith_short_12","alias_value":"RE6CKY5OMOIK","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RE6CKY5OMOIKCFUZ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RE6CKY5O","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:13ef4b281467977261241d5799251c48c5d42a70c63011dd969d29600f68cec2","target":"graph","created_at":"2026-05-18T00:22:29Z","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":"The distribution of young open clusters in the Galactic plane suggests the existence of the outer ring R1R2' in the Galaxy. The solar position angle theta_b providing the best agreement between the observed and model distribution is theta_b=35 +\\- 10 degrees. We compared the theta_b values derived from three different catalogues of open cluster and they appear to be consistent within the errors.","authors_text":"Andrei Dambis, Anna Mel'nik, Elena Glushkova, Pertti Rautiainen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-04T15:21:31Z","title":"The R1R2' outer ring revealed by young open cluster data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01708","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":"sha256:795b69a85d3b6ff3a0e768e3ea934a449424bbb2630af7cf32f0560d223699be","target":"record","created_at":"2026-05-18T00:22:29Z","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":"558411c202293d8391bfa00f2eaff0f01190767b41431d6cd5ce85ef42161786","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-02-04T15:21:31Z","title_canon_sha256":"e9d1e15e6dafa39dc8fe3da4d8aa1e16c6bb1c1f5faafe5d8a8675b143cc7dbb"},"schema_version":"1.0","source":{"id":"1602.01708","kind":"arxiv","version":1}},"canonical_sha256":"893c2563ae6390a11699236ceb14d59838fe13cf4b50bb3f72f7056c592ca4e3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"893c2563ae6390a11699236ceb14d59838fe13cf4b50bb3f72f7056c592ca4e3","first_computed_at":"2026-05-18T00:22:29.899497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:29.899497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OdSHuwAcvdz+0t7qKl96HZw8U0beMHO/N6X+Z7rn+B05JCPIKWaSw7toH4vEPt0/SOQIYbaI4BnGE43p/nTODg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:29.900185Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.01708","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:795b69a85d3b6ff3a0e768e3ea934a449424bbb2630af7cf32f0560d223699be","sha256:13ef4b281467977261241d5799251c48c5d42a70c63011dd969d29600f68cec2"],"state_sha256":"0ce3aa9f731607cf6f16257a5a9d6bdba894f10e6c743caca859a7bb9332508e"}