{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:KYHVLJCCC2K3EJC64Z6XE5VOPY","short_pith_number":"pith:KYHVLJCC","canonical_record":{"source":{"id":"1705.05858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-16T18:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"64d99adac19a467876c00adac3b48f31079c04d62016f6f906cb844dd7d38389","abstract_canon_sha256":"93812c268260ca6302a716d8dbd1a65d45b004a92ff84caf0a4d08e839b7db9c"},"schema_version":"1.0"},"canonical_sha256":"560f55a4421695b2245ee67d7276ae7e1ed76e990e8c311c9deb80d18fb4e7f5","source":{"kind":"arxiv","id":"1705.05858","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05858","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05858v1","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05858","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"pith_short_12","alias_value":"KYHVLJCCC2K3","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"KYHVLJCCC2K3EJC6","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"KYHVLJCC","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:KYHVLJCCC2K3EJC64Z6XE5VOPY","target":"record","payload":{"canonical_record":{"source":{"id":"1705.05858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-16T18:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"64d99adac19a467876c00adac3b48f31079c04d62016f6f906cb844dd7d38389","abstract_canon_sha256":"93812c268260ca6302a716d8dbd1a65d45b004a92ff84caf0a4d08e839b7db9c"},"schema_version":"1.0"},"canonical_sha256":"560f55a4421695b2245ee67d7276ae7e1ed76e990e8c311c9deb80d18fb4e7f5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:13.536926Z","signature_b64":"ZKOj1OLETVJf8Iq33hbrYi2mP7n/xddtAT2lznxeGyBeL4Vxs66LeW/MJIv0i2pbbrsqnBwDC9BjJ3iU79xiDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"560f55a4421695b2245ee67d7276ae7e1ed76e990e8c311c9deb80d18fb4e7f5","last_reissued_at":"2026-05-18T00:27:13.536440Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:13.536440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.05858","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":"2026-05-18T00:27:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V6BTdXTqK9IdT2UchzgbnBQCqjtP7jubdGV250cTf22hgVk+cW7H544beuXwzfnJlI7Nc0NgFgm2L7WgF1ipBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:00:02.014356Z"},"content_sha256":"58935539fafe7793c863bb4762a0754b93e0bc42adb1e75e0b1a1f2ddf402eb7","schema_version":"1.0","event_id":"sha256:58935539fafe7793c863bb4762a0754b93e0bc42adb1e75e0b1a1f2ddf402eb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:KYHVLJCCC2K3EJC64Z6XE5VOPY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The IRX-Beta Dust Attenuation Relation in Cosmological Galaxy Formation Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Benjamin Johnson (Harvard), Charlie Conroy (Harvard), Desika Narayanan (University of Florida), James E. Geach (Hertfordshire), Robert Thompson (Portalarium), Romeel Dave (University of the Western Cape)","submitted_at":"2017-05-16T18:00:10Z","abstract_excerpt":"We utilise a series of high-resolution cosmological zoom simulations of galaxy formation to investigate the relationship between the ultraviolet (UV) slope, beta, and the ratio of the infrared luminosity to UV luminosity (IRX) in the spectral energy distributions (SEDs) of galaxies. We employ dust radiative transfer calculations in which the SEDs of the stars in galaxies propagate through the dusty interstellar medium. Our main goals are to understand the origin of, and scatter in the IRX-beta relation; to assess the efficacy of simplified stellar population synthesis screen models in capturin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05858","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":""},"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":"2026-05-18T00:27:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUFJ31768oQT63XjSjL47pQyjVFZSiPS565ctEfKXBdZQyMyOVdd7mDT0pKY7LKKSOid8J03xPztxLx2qvfgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:00:02.014999Z"},"content_sha256":"4e2611f607ec3d889bb82181866c6ca48bdadbeb348f8407fb50fe1486c9afb2","schema_version":"1.0","event_id":"sha256:4e2611f607ec3d889bb82181866c6ca48bdadbeb348f8407fb50fe1486c9afb2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY/bundle.json","state_url":"https://pith.science/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY/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":"2026-05-28T23:00:02Z","links":{"resolver":"https://pith.science/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY","bundle":"https://pith.science/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY/bundle.json","state":"https://pith.science/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYHVLJCCC2K3EJC64Z6XE5VOPY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KYHVLJCCC2K3EJC64Z6XE5VOPY","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":"93812c268260ca6302a716d8dbd1a65d45b004a92ff84caf0a4d08e839b7db9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-16T18:00:10Z","title_canon_sha256":"64d99adac19a467876c00adac3b48f31079c04d62016f6f906cb844dd7d38389"},"schema_version":"1.0","source":{"id":"1705.05858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05858","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05858v1","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05858","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"pith_short_12","alias_value":"KYHVLJCCC2K3","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"KYHVLJCCC2K3EJC6","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"KYHVLJCC","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:4e2611f607ec3d889bb82181866c6ca48bdadbeb348f8407fb50fe1486c9afb2","target":"graph","created_at":"2026-05-18T00:27:13Z","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":"We utilise a series of high-resolution cosmological zoom simulations of galaxy formation to investigate the relationship between the ultraviolet (UV) slope, beta, and the ratio of the infrared luminosity to UV luminosity (IRX) in the spectral energy distributions (SEDs) of galaxies. We employ dust radiative transfer calculations in which the SEDs of the stars in galaxies propagate through the dusty interstellar medium. Our main goals are to understand the origin of, and scatter in the IRX-beta relation; to assess the efficacy of simplified stellar population synthesis screen models in capturin","authors_text":"Benjamin Johnson (Harvard), Charlie Conroy (Harvard), Desika Narayanan (University of Florida), James E. Geach (Hertfordshire), Robert Thompson (Portalarium), Romeel Dave (University of the Western Cape)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-16T18:00:10Z","title":"The IRX-Beta Dust Attenuation Relation in Cosmological Galaxy Formation Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05858","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":"sha256:58935539fafe7793c863bb4762a0754b93e0bc42adb1e75e0b1a1f2ddf402eb7","target":"record","created_at":"2026-05-18T00:27:13Z","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":"93812c268260ca6302a716d8dbd1a65d45b004a92ff84caf0a4d08e839b7db9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-16T18:00:10Z","title_canon_sha256":"64d99adac19a467876c00adac3b48f31079c04d62016f6f906cb844dd7d38389"},"schema_version":"1.0","source":{"id":"1705.05858","kind":"arxiv","version":1}},"canonical_sha256":"560f55a4421695b2245ee67d7276ae7e1ed76e990e8c311c9deb80d18fb4e7f5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"560f55a4421695b2245ee67d7276ae7e1ed76e990e8c311c9deb80d18fb4e7f5","first_computed_at":"2026-05-18T00:27:13.536440Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:13.536440Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZKOj1OLETVJf8Iq33hbrYi2mP7n/xddtAT2lznxeGyBeL4Vxs66LeW/MJIv0i2pbbrsqnBwDC9BjJ3iU79xiDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:13.536926Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.05858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58935539fafe7793c863bb4762a0754b93e0bc42adb1e75e0b1a1f2ddf402eb7","sha256:4e2611f607ec3d889bb82181866c6ca48bdadbeb348f8407fb50fe1486c9afb2"],"state_sha256":"6c0cb0077660eddd286c47b5c5ce6694b1a1fcae0ca045b5ea6b11ca67c5d3f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"24wO6LWBOhPKJ603pHdPobsyDkJR1EyWctDtqy+NIQFNSuRHnG7RG+t/crYKTD2hNTZVHCVIBC2ZatTWnmcfAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:00:02.018115Z","bundle_sha256":"181bb46737ae53d23567b6d50445b861398e77425cc66dae29929a7b88684a40"}}