{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:HZN5VJAQEABUBKCLDKKMXERSF3","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":"58a4cf29155a67711a8af6324a0f6173478231235d1845fd0d6d0faeab02b8d3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-05T14:49:27Z","title_canon_sha256":"052321e406cb514c76c5828448b5a4e9c68fc22302d1e6fb433c89eb9b6dee3f"},"schema_version":"1.0","source":{"id":"0910.0774","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.0774","created_at":"2026-05-18T02:34:20Z"},{"alias_kind":"arxiv_version","alias_value":"0910.0774v1","created_at":"2026-05-18T02:34:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0774","created_at":"2026-05-18T02:34:20Z"},{"alias_kind":"pith_short_12","alias_value":"HZN5VJAQEABU","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"HZN5VJAQEABUBKCL","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"HZN5VJAQ","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:4ab9c580e59b6d6d419ded540bc5aa1a7e30ef7e220eb09e7f3e6910cb909b6b","target":"graph","created_at":"2026-05-18T02:34:20Z","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":"Compared to starburst galaxies, normal star forming galaxies have been shown to display a much larger dispersion of the dust attenuation at fixed reddening through studies of the IRX-beta diagram (the IR/UV ratio \"IRX\" versus the UV color \"beta\"). To investigate the causes of this larger dispersion and attempt to isolate second parameters, we have used GALEX UV, ground-based optical, and Spitzer infrared imaging of 8 nearby galaxies, and examined the properties of individual UV and 24 micron selected star forming regions. We concentrated on star-forming regions, in order to isolate simpler sta","authors_text":"C. Engelbracht, D. Calzetti, D. Dale, J. C. Lee, J. Portouw, K. D. Gordon, M. Boquien, R. Kennicutt, S. Hong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-05T14:49:27Z","title":"Star-Forming or Starbursting? The Ultraviolet Conundrum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0774","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":"sha256:08b272f5d3d46a2fcb5b28a8554556ea1ea39810f4536306fc7fca57c5c1e8d6","target":"record","created_at":"2026-05-18T02:34:20Z","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":"58a4cf29155a67711a8af6324a0f6173478231235d1845fd0d6d0faeab02b8d3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-10-05T14:49:27Z","title_canon_sha256":"052321e406cb514c76c5828448b5a4e9c68fc22302d1e6fb433c89eb9b6dee3f"},"schema_version":"1.0","source":{"id":"0910.0774","kind":"arxiv","version":1}},"canonical_sha256":"3e5bdaa410200340a84b1a94cb92322eda30f6139a6c0f5dafb1123adc56c00b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e5bdaa410200340a84b1a94cb92322eda30f6139a6c0f5dafb1123adc56c00b","first_computed_at":"2026-05-18T02:34:20.165957Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:20.165957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OTHX1Qg7tDTEP3w1SdYJZ/lSS0dWnGRVz4th/AWsr9hwG0C0BoX8bwVDCwpRhpwj1oqBtrXYA0hVfMCteLj9DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:20.166588Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.0774","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08b272f5d3d46a2fcb5b28a8554556ea1ea39810f4536306fc7fca57c5c1e8d6","sha256:4ab9c580e59b6d6d419ded540bc5aa1a7e30ef7e220eb09e7f3e6910cb909b6b"],"state_sha256":"1a900ff99e6fd2b7da4fec25ea8b0daf335d90dee0ba38bffb89b045266b46ef"}