{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:XXJAYN7FDMD54K6YIM2MTT7N6X","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":"e8d700cf413b663bafbde755b8bab0f7daedab71a0c3bad83bd504f3645a40d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-05T22:56:34Z","title_canon_sha256":"fc5dac02bbb335bdfeaa94cff8d2a8928ee1372ead55f027228ebd85d0475125"},"schema_version":"1.0","source":{"id":"0906.1211","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1211","created_at":"2026-07-04T15:47:18Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1211v1","created_at":"2026-07-04T15:47:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1211","created_at":"2026-07-04T15:47:18Z"},{"alias_kind":"pith_short_12","alias_value":"XXJAYN7FDMD5","created_at":"2026-07-04T15:47:18Z"},{"alias_kind":"pith_short_16","alias_value":"XXJAYN7FDMD54K6Y","created_at":"2026-07-04T15:47:18Z"},{"alias_kind":"pith_short_8","alias_value":"XXJAYN7F","created_at":"2026-07-04T15:47:18Z"}],"graph_snapshots":[{"event_id":"sha256:97c2ea72ec6607345d1c8739b7f0d5992a14dd3c16df90ac36ef6bec0ef7ea39","target":"graph","created_at":"2026-07-04T15:47:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0906.1211/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We use deep (~27.5 mag V-band point-source limiting magnitude) V- and U-band LBT imaging to study the outer disk (beyond the optical radius R_25) of the non-interacting, face-on spiral galaxy NGC 3184 (D = 11.1 Mpc; R_25 = 11.1 kpc) and find that this outer disk contains >1000 objects (or marginally-resolved 'knots') resembling star clusters with masses ~10^2 - 10^4 M_sun and ages up to ~1 Gyr. We find statistically significant numbers of these cluster-like knots extending to ~1.4 R_25, with the redder knots outnumbering bluer at the largest radii. We measure clustering among knots and find si","authors_text":"A. Baruffolo, A. DiPaola, A. Fontana, D. Christlein, D. Zaritsky, E. Giallongo, E. Wilcots, J. Moustakas, R. Ragazzoni, R. Smareglia, R. W. Pogge, S. Herbert-Fort","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-05T22:56:34Z","title":"Spatially Correlated Cluster Populations in the Outer Disk of NGC 3184"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1211","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":"sha256:8363a9442a79f42ae8fa7a06d8358c46bfbd92f0e22fa4d3a21c429a2ceb1ac2","target":"record","created_at":"2026-07-04T15:47:18Z","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":"e8d700cf413b663bafbde755b8bab0f7daedab71a0c3bad83bd504f3645a40d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-05T22:56:34Z","title_canon_sha256":"fc5dac02bbb335bdfeaa94cff8d2a8928ee1372ead55f027228ebd85d0475125"},"schema_version":"1.0","source":{"id":"0906.1211","kind":"arxiv","version":1}},"canonical_sha256":"bdd20c37e51b07de2bd84334c9cfedf5d4a6e5643b9949a4f4b65a4979643e32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bdd20c37e51b07de2bd84334c9cfedf5d4a6e5643b9949a4f4b65a4979643e32","first_computed_at":"2026-07-04T15:47:18.298032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:47:18.298032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ei1Fn2Mbp0ZEvFBz49ug7dkeIZDIliIK7RnpgBAjZD8/02UK4cj1RervUPUh6uetKmKW+eeLMwRRyvRntp6RBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:47:18.298442Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.1211","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8363a9442a79f42ae8fa7a06d8358c46bfbd92f0e22fa4d3a21c429a2ceb1ac2","sha256:97c2ea72ec6607345d1c8739b7f0d5992a14dd3c16df90ac36ef6bec0ef7ea39"],"state_sha256":"6f9fa6145aa1e4a541573bff5da692398df7d726f9a12069b68d1480ac3d4141"}