{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:WG54QN66GFFOMPFM4X3VWGVYU6","short_pith_number":"pith:WG54QN66","canonical_record":{"source":{"id":"1905.02166","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T17:34:54Z","cross_cats_sorted":[],"title_canon_sha256":"7ec93b257db4c01a6f5db443493d6620bc4d3ab6a3a5d6bab495f86291175147","abstract_canon_sha256":"93064d8f4311972509aaf17c81ec598d5763c9de44cec234857768cdbac6aad4"},"schema_version":"1.0"},"canonical_sha256":"b1bbc837de314ae63cace5f75b1ab8a7870048dab3aac287d58315e7b83adb80","source":{"kind":"arxiv","id":"1905.02166","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02166","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02166v2","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02166","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"pith_short_12","alias_value":"WG54QN66GFFO","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"pith_short_16","alias_value":"WG54QN66GFFOMPFM","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"pith_short_8","alias_value":"WG54QN66","created_at":"2026-07-05T00:55:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:WG54QN66GFFOMPFM4X3VWGVYU6","target":"record","payload":{"canonical_record":{"source":{"id":"1905.02166","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T17:34:54Z","cross_cats_sorted":[],"title_canon_sha256":"7ec93b257db4c01a6f5db443493d6620bc4d3ab6a3a5d6bab495f86291175147","abstract_canon_sha256":"93064d8f4311972509aaf17c81ec598d5763c9de44cec234857768cdbac6aad4"},"schema_version":"1.0"},"canonical_sha256":"b1bbc837de314ae63cace5f75b1ab8a7870048dab3aac287d58315e7b83adb80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:55:02.040202Z","signature_b64":"j0jb+ek0nTXjgDYoLOnKvuwRYLZzRuva/GvIxb+Vyn11J62N8dlZDwUCkXNuv+ibUTXHzGp+/8njjQpkD1q+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b1bbc837de314ae63cace5f75b1ab8a7870048dab3aac287d58315e7b83adb80","last_reissued_at":"2026-07-05T00:55:02.039714Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:55:02.039714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.02166","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:55:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MfrqvIeEd9lSxV5Xks+DVGUewei4ME3zIrH5p2YVF24JYKsHiOytbSw2IYrr0EeWZxXPKrIqBmUJ6fa7CDKfCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T11:29:37.877344Z"},"content_sha256":"19d5b61587bea49d456accb64ac49afcc6d16f34ff6d914e955af7a218e864a6","schema_version":"1.0","event_id":"sha256:19d5b61587bea49d456accb64ac49afcc6d16f34ff6d914e955af7a218e864a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:WG54QN66GFFOMPFM4X3VWGVYU6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Cautionary Tale of Attenuation in Star Forming Regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), 2 Montana State U, 3 U Kentucky, 4 U Antofagasta), C. Gronwall (1), D. P. Schneider (1) (1 Penn State, M. Boquien (4), M. Eracleous (1), M. Molina (1, N. Ajgaonkar (3), R. Ciardullo (1), R. Yan (3)","submitted_at":"2019-05-06T17:34:54Z","abstract_excerpt":"The attenuation of light in star forming galaxies is correlated with a multitude of physical parameters including star formation rate, metallicity and total dust content. This variation in attenuation is even more prevalent on the kiloparsec scale, which is relevant to many current spectroscopic integral field unit surveys. To understand the cause of this variation, we present and analyse \\textit{Swift}/UVOT near-UV (NUV) images and SDSS/MaNGA emission-line maps of 29 nearby ($z<0.084$) star forming galaxies. We resolve kiloparsec-sized star forming regions within the galaxies and compare thei"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02166","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1905.02166/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:55:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lwFX8kxbGaCqcIZnOPULAPtfB4TkhZGgVFdOSzbXM+HKtAIRS3NDHVDGmlTAJ+Wc9F12bGDQorWCyfFPQ2UdCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T11:29:37.877922Z"},"content_sha256":"1ff27cd49efa8dc83c3ccddf06cad61aae925982ca5f480063004172a9a97f3e","schema_version":"1.0","event_id":"sha256:1ff27cd49efa8dc83c3ccddf06cad61aae925982ca5f480063004172a9a97f3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WG54QN66GFFOMPFM4X3VWGVYU6/bundle.json","state_url":"https://pith.science/pith/WG54QN66GFFOMPFM4X3VWGVYU6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WG54QN66GFFOMPFM4X3VWGVYU6/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-15T11:29:37Z","links":{"resolver":"https://pith.science/pith/WG54QN66GFFOMPFM4X3VWGVYU6","bundle":"https://pith.science/pith/WG54QN66GFFOMPFM4X3VWGVYU6/bundle.json","state":"https://pith.science/pith/WG54QN66GFFOMPFM4X3VWGVYU6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WG54QN66GFFOMPFM4X3VWGVYU6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WG54QN66GFFOMPFM4X3VWGVYU6","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":"93064d8f4311972509aaf17c81ec598d5763c9de44cec234857768cdbac6aad4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T17:34:54Z","title_canon_sha256":"7ec93b257db4c01a6f5db443493d6620bc4d3ab6a3a5d6bab495f86291175147"},"schema_version":"1.0","source":{"id":"1905.02166","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02166","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02166v2","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02166","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"pith_short_12","alias_value":"WG54QN66GFFO","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"pith_short_16","alias_value":"WG54QN66GFFOMPFM","created_at":"2026-07-05T00:55:02Z"},{"alias_kind":"pith_short_8","alias_value":"WG54QN66","created_at":"2026-07-05T00:55:02Z"}],"graph_snapshots":[{"event_id":"sha256:1ff27cd49efa8dc83c3ccddf06cad61aae925982ca5f480063004172a9a97f3e","target":"graph","created_at":"2026-07-05T00:55:02Z","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/1905.02166/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The attenuation of light in star forming galaxies is correlated with a multitude of physical parameters including star formation rate, metallicity and total dust content. This variation in attenuation is even more prevalent on the kiloparsec scale, which is relevant to many current spectroscopic integral field unit surveys. To understand the cause of this variation, we present and analyse \\textit{Swift}/UVOT near-UV (NUV) images and SDSS/MaNGA emission-line maps of 29 nearby ($z<0.084$) star forming galaxies. We resolve kiloparsec-sized star forming regions within the galaxies and compare thei","authors_text":"2), 2 Montana State U, 3 U Kentucky, 4 U Antofagasta), C. Gronwall (1), D. P. Schneider (1) (1 Penn State, M. Boquien (4), M. Eracleous (1), M. Molina (1, N. Ajgaonkar (3), R. Ciardullo (1), R. Yan (3)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T17:34:54Z","title":"A Cautionary Tale of Attenuation in Star Forming Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02166","kind":"arxiv","version":2},"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":"sha256:19d5b61587bea49d456accb64ac49afcc6d16f34ff6d914e955af7a218e864a6","target":"record","created_at":"2026-07-05T00:55:02Z","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":"93064d8f4311972509aaf17c81ec598d5763c9de44cec234857768cdbac6aad4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T17:34:54Z","title_canon_sha256":"7ec93b257db4c01a6f5db443493d6620bc4d3ab6a3a5d6bab495f86291175147"},"schema_version":"1.0","source":{"id":"1905.02166","kind":"arxiv","version":2}},"canonical_sha256":"b1bbc837de314ae63cace5f75b1ab8a7870048dab3aac287d58315e7b83adb80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b1bbc837de314ae63cace5f75b1ab8a7870048dab3aac287d58315e7b83adb80","first_computed_at":"2026-07-05T00:55:02.039714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:55:02.039714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j0jb+ek0nTXjgDYoLOnKvuwRYLZzRuva/GvIxb+Vyn11J62N8dlZDwUCkXNuv+ibUTXHzGp+/8njjQpkD1q+Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T00:55:02.040202Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.02166","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19d5b61587bea49d456accb64ac49afcc6d16f34ff6d914e955af7a218e864a6","sha256:1ff27cd49efa8dc83c3ccddf06cad61aae925982ca5f480063004172a9a97f3e"],"state_sha256":"16e656889a21084965481a4c3c7c0febbbebc8d2a8c4b24e4a4feed87ee2e0dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yBRjkSi0N5l26z2arRbO9NZTnN4nIUiSobHGPLEVCYs/S3cXWItbYrVyKDrTGCEd6GoDMRLh37oXuV/2WLQMAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T11:29:37.881579Z","bundle_sha256":"4e915e575953228913b4bee999c7a4f6b1f9bd066fb81e25299d3e1bb703a79b"}}