{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NREKG5ZOYVFYDNAIZ7Y2HPZAXR","short_pith_number":"pith:NREKG5ZO","canonical_record":{"source":{"id":"2001.00402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-02T11:45:56Z","cross_cats_sorted":[],"title_canon_sha256":"ea02457357bdd6953647d23fc0e1c6327748fbf4b723f427298a7a84bffa8d3a","abstract_canon_sha256":"4e61df86085d09d38df7b7413254c3c85800546dc62bd14a887e7cbc3222e8b4"},"schema_version":"1.0"},"canonical_sha256":"6c48a3772ec54b81b408cff1a3bf20bc7430123ff0bbdcc2e1f7f817c932815b","source":{"kind":"arxiv","id":"2001.00402","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.00402","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"arxiv_version","alias_value":"2001.00402v1","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.00402","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"pith_short_12","alias_value":"NREKG5ZOYVFY","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"pith_short_16","alias_value":"NREKG5ZOYVFYDNAI","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"pith_short_8","alias_value":"NREKG5ZO","created_at":"2026-07-05T00:36:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NREKG5ZOYVFYDNAIZ7Y2HPZAXR","target":"record","payload":{"canonical_record":{"source":{"id":"2001.00402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-02T11:45:56Z","cross_cats_sorted":[],"title_canon_sha256":"ea02457357bdd6953647d23fc0e1c6327748fbf4b723f427298a7a84bffa8d3a","abstract_canon_sha256":"4e61df86085d09d38df7b7413254c3c85800546dc62bd14a887e7cbc3222e8b4"},"schema_version":"1.0"},"canonical_sha256":"6c48a3772ec54b81b408cff1a3bf20bc7430123ff0bbdcc2e1f7f817c932815b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:36:45.730723Z","signature_b64":"RWIigz4j2J5OtKfsPB6+t00tSyYA/wiSXCbJF6jPr7YssEcQnILXjgRSBBuSV1qzpThzPajfhvaPvVhko/ONCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c48a3772ec54b81b408cff1a3bf20bc7430123ff0bbdcc2e1f7f817c932815b","last_reissued_at":"2026-07-05T00:36:45.730298Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:36:45.730298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.00402","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:36:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EDACUKnKSm7rszMT+kz5VmypInGeTSDs5EHM37/Mw2/wTQVfHQyBKFsYySlG4kgeWoYevJX1i1igUPj+ZosGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:27:08.356042Z"},"content_sha256":"5fd9098f02e8b825bfa511f7007a3c3570cccc1b0b472db864231b28c5876c24","schema_version":"1.0","event_id":"sha256:5fd9098f02e8b825bfa511f7007a3c3570cccc1b0b472db864231b28c5876c24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NREKG5ZOYVFYDNAIZ7Y2HPZAXR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Dust attenuation in high-redshift Lyman break Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Karska, A. M. Swinbank, A. Pope, A. P. Thomson, A. W. Blain, B. Gullberg, Chian-Chou Chen, C. J. Conselice, C. J. Simpson, D. Farrah, D. Maltby, D. Scott, FangXia An, Ian Smail, J. E. Geach, J. L. Wardlow, J. M. Simpson, J. S. Dunlop, K. E. K. Coppin, K. E. Whitaker, M. J. Micha{\\l}owski, M. P. Koprowski, O. Almaini, P. P. van der Werf, R. J. Ivison, S. C. Chapman, S. Salim, U. Dudzeviciute, W. Hartley","submitted_at":"2020-01-02T11:45:56Z","abstract_excerpt":"We analyse 870um Atacama Large Millimetre Array (ALMA) dust continuum detections of 41 canonically-selected z~3 Lyman-break galaxies (LBGs), as well as 209 ALMA-undetected LBGs, in follow-up of SCUBA-2 mapping of the UKIDSS Ultra Deep Survey (UDS) field. We find that our ALMA-bright LBGs lie significantly off the locally calibrated IRX-beta relation and tend to have relatively bluer rest-frame UV slopes (as parametrised by beta), given their high values of the 'infrared excess' (IRX=L_IR/L_UV), relative to the average 'local' IRX-beta relation. We attribute this finding in part to the young ag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.00402","kind":"arxiv","version":1},"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/2001.00402/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":"2026-07-05T00:36:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9uERNGWRpVIuWIHNv53xK9LK/0b5Ke4yByhIRaVWlpOfaOu9kDcHxmJxVQpHAbNupjacmb2/KWg3lVE+7CP6BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:27:08.356429Z"},"content_sha256":"0752167dd9a8277ebf3335535477c96aa0b37909b188ee22255e5db503113ebd","schema_version":"1.0","event_id":"sha256:0752167dd9a8277ebf3335535477c96aa0b37909b188ee22255e5db503113ebd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR/bundle.json","state_url":"https://pith.science/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR/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":"2026-07-07T13:27:08Z","links":{"resolver":"https://pith.science/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR","bundle":"https://pith.science/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR/bundle.json","state":"https://pith.science/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NREKG5ZOYVFYDNAIZ7Y2HPZAXR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NREKG5ZOYVFYDNAIZ7Y2HPZAXR","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":"4e61df86085d09d38df7b7413254c3c85800546dc62bd14a887e7cbc3222e8b4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-02T11:45:56Z","title_canon_sha256":"ea02457357bdd6953647d23fc0e1c6327748fbf4b723f427298a7a84bffa8d3a"},"schema_version":"1.0","source":{"id":"2001.00402","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.00402","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"arxiv_version","alias_value":"2001.00402v1","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.00402","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"pith_short_12","alias_value":"NREKG5ZOYVFY","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"pith_short_16","alias_value":"NREKG5ZOYVFYDNAI","created_at":"2026-07-05T00:36:45Z"},{"alias_kind":"pith_short_8","alias_value":"NREKG5ZO","created_at":"2026-07-05T00:36:45Z"}],"graph_snapshots":[{"event_id":"sha256:0752167dd9a8277ebf3335535477c96aa0b37909b188ee22255e5db503113ebd","target":"graph","created_at":"2026-07-05T00:36:45Z","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/2001.00402/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyse 870um Atacama Large Millimetre Array (ALMA) dust continuum detections of 41 canonically-selected z~3 Lyman-break galaxies (LBGs), as well as 209 ALMA-undetected LBGs, in follow-up of SCUBA-2 mapping of the UKIDSS Ultra Deep Survey (UDS) field. We find that our ALMA-bright LBGs lie significantly off the locally calibrated IRX-beta relation and tend to have relatively bluer rest-frame UV slopes (as parametrised by beta), given their high values of the 'infrared excess' (IRX=L_IR/L_UV), relative to the average 'local' IRX-beta relation. We attribute this finding in part to the young ag","authors_text":"A. Karska, A. M. Swinbank, A. Pope, A. P. Thomson, A. W. Blain, B. Gullberg, Chian-Chou Chen, C. J. Conselice, C. J. Simpson, D. Farrah, D. Maltby, D. Scott, FangXia An, Ian Smail, J. E. Geach, J. L. Wardlow, J. M. Simpson, J. S. Dunlop, K. E. K. Coppin, K. E. Whitaker, M. J. Micha{\\l}owski, M. P. Koprowski, O. Almaini, P. P. van der Werf, R. J. Ivison, S. C. Chapman, S. Salim, U. Dudzeviciute, W. Hartley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-02T11:45:56Z","title":"An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Dust attenuation in high-redshift Lyman break Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.00402","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":"sha256:5fd9098f02e8b825bfa511f7007a3c3570cccc1b0b472db864231b28c5876c24","target":"record","created_at":"2026-07-05T00:36:45Z","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":"4e61df86085d09d38df7b7413254c3c85800546dc62bd14a887e7cbc3222e8b4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-02T11:45:56Z","title_canon_sha256":"ea02457357bdd6953647d23fc0e1c6327748fbf4b723f427298a7a84bffa8d3a"},"schema_version":"1.0","source":{"id":"2001.00402","kind":"arxiv","version":1}},"canonical_sha256":"6c48a3772ec54b81b408cff1a3bf20bc7430123ff0bbdcc2e1f7f817c932815b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c48a3772ec54b81b408cff1a3bf20bc7430123ff0bbdcc2e1f7f817c932815b","first_computed_at":"2026-07-05T00:36:45.730298Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:36:45.730298Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RWIigz4j2J5OtKfsPB6+t00tSyYA/wiSXCbJF6jPr7YssEcQnILXjgRSBBuSV1qzpThzPajfhvaPvVhko/ONCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:36:45.730723Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.00402","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fd9098f02e8b825bfa511f7007a3c3570cccc1b0b472db864231b28c5876c24","sha256:0752167dd9a8277ebf3335535477c96aa0b37909b188ee22255e5db503113ebd"],"state_sha256":"a29fa7cb0062898a837bec53e3929b5ba995d14dcabfb68e7419f7458e46cee8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lWJO4nRY2Ux6/oKQxPVwG7LR0aJJp+oR6TjR4TyXN3J1wdstcVETr5bL34+0pPQVKfQt5s0s1Zes8pQLcLbbDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:27:08.358576Z","bundle_sha256":"eaeda404c1b371f4574d528bf7b90dd60b448d9394e9844d4390cb8773618944"}}