{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VGMWAVMCK6KEBGVYIFC6WUALTT","short_pith_number":"pith:VGMWAVMC","canonical_record":{"source":{"id":"1609.09091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-09-28T20:00:22Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"2f3e5269391d087aef4b48f9c604c0a77297151b3d6ac906b190a5b9afcaa734","abstract_canon_sha256":"8e7e24592d93a34ead54a476756ea57c28289a04c06f4b59b8bcbbbc85f98a83"},"schema_version":"1.0"},"canonical_sha256":"a9996055825794409ab84145eb500b9cc0b0e47686549be78cf07b5aa8786a67","source":{"kind":"arxiv","id":"1609.09091","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.09091","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1609.09091v1","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.09091","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"VGMWAVMCK6KE","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VGMWAVMCK6KEBGVY","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VGMWAVMC","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VGMWAVMCK6KEBGVYIFC6WUALTT","target":"record","payload":{"canonical_record":{"source":{"id":"1609.09091","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-09-28T20:00:22Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"2f3e5269391d087aef4b48f9c604c0a77297151b3d6ac906b190a5b9afcaa734","abstract_canon_sha256":"8e7e24592d93a34ead54a476756ea57c28289a04c06f4b59b8bcbbbc85f98a83"},"schema_version":"1.0"},"canonical_sha256":"a9996055825794409ab84145eb500b9cc0b0e47686549be78cf07b5aa8786a67","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:36.337828Z","signature_b64":"s/LvFMzpZR6IwHOMaCojaC+rbmNaDKCBfx5ApIiPRgVl2sh7HgsbrFeQ463b8o3MproO2Ls0MCC9m2sFRTPqCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9996055825794409ab84145eb500b9cc0b0e47686549be78cf07b5aa8786a67","last_reissued_at":"2026-05-18T01:02:36.337092Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:36.337092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.09091","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":"2026-05-18T01:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DGAXHNM2XRZYfrweSinBms0AiD1iCSyN7S6mi5IfwW93kcMEUwpwAwdIosK4RJJZwRfvqeh5624v3qyD60otDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T10:41:21.894734Z"},"content_sha256":"7d50fa6adbaa005880b45c20dcaa1fa6cf1c2580a0ad95561b7c65713115d14b","schema_version":"1.0","event_id":"sha256:7d50fa6adbaa005880b45c20dcaa1fa6cf1c2580a0ad95561b7c65713115d14b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VGMWAVMCK6KEBGVYIFC6WUALTT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmology with AGN dust time lags -- Simulating the new VEILS survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"(2) DARK Cosmology Centre, (3) Kyoto Sangyo University, (4) University of Leicester, (5) SUPA University of St Andrews, (6) University of Cambridge, (7) Kavli Institute for Cosmology, (8) University of Oxford, 9), (9) University of the Western Cape), B. Boulderstone (1), D. Watson (2), F. Shankar (6), K. Horne (5), M. Banerji (7), M. Goad (4), M. Jarvis (8, M. Kishimoto (3), M. Smith (1), M. Sullivan (1) ((1) University of Southampton, P. Gandhi (1), S. F. H\\\"onig (1)","submitted_at":"2016-09-28T20:00:22Z","abstract_excerpt":"The time lag between optical and near-infrared continuum emission in active galactic nuclei (AGN) shows a tight correlation with luminosity and has been proposed as a standardisable candle for cosmology. In this paper, we explore the use of these AGN hot-dust time lags for cosmological model fitting under the constraints of the new VISTA Extragalactic Infrared Legacy Survey VEILS. This new survey will target a 9 deg^2 field observed in J- and Ks-band with a 14-day cadence and will run for three years. The same area will be covered simultaneously in the optical griz bands by the Dark Energy Sur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.09091","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":"2026-05-18T01:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oxbRpz8t5Q0eWDzuJE1X/JBDO5vSZU4LuTHsu60bYFVxJ8xN0GqZ9M2+qt5ZYgjaarMcTErzRTNYDAZDOxGSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T10:41:21.895095Z"},"content_sha256":"f9d22ff90b850bb264c131885680fe0791cc934d8b9383cebfffff2f9095be57","schema_version":"1.0","event_id":"sha256:f9d22ff90b850bb264c131885680fe0791cc934d8b9383cebfffff2f9095be57"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VGMWAVMCK6KEBGVYIFC6WUALTT/bundle.json","state_url":"https://pith.science/pith/VGMWAVMCK6KEBGVYIFC6WUALTT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VGMWAVMCK6KEBGVYIFC6WUALTT/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":"2026-05-19T10:41:21Z","links":{"resolver":"https://pith.science/pith/VGMWAVMCK6KEBGVYIFC6WUALTT","bundle":"https://pith.science/pith/VGMWAVMCK6KEBGVYIFC6WUALTT/bundle.json","state":"https://pith.science/pith/VGMWAVMCK6KEBGVYIFC6WUALTT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VGMWAVMCK6KEBGVYIFC6WUALTT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VGMWAVMCK6KEBGVYIFC6WUALTT","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":"8e7e24592d93a34ead54a476756ea57c28289a04c06f4b59b8bcbbbc85f98a83","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-09-28T20:00:22Z","title_canon_sha256":"2f3e5269391d087aef4b48f9c604c0a77297151b3d6ac906b190a5b9afcaa734"},"schema_version":"1.0","source":{"id":"1609.09091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.09091","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1609.09091v1","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.09091","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"VGMWAVMCK6KE","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VGMWAVMCK6KEBGVY","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VGMWAVMC","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:f9d22ff90b850bb264c131885680fe0791cc934d8b9383cebfffff2f9095be57","target":"graph","created_at":"2026-05-18T01:02:36Z","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":"The time lag between optical and near-infrared continuum emission in active galactic nuclei (AGN) shows a tight correlation with luminosity and has been proposed as a standardisable candle for cosmology. In this paper, we explore the use of these AGN hot-dust time lags for cosmological model fitting under the constraints of the new VISTA Extragalactic Infrared Legacy Survey VEILS. This new survey will target a 9 deg^2 field observed in J- and Ks-band with a 14-day cadence and will run for three years. The same area will be covered simultaneously in the optical griz bands by the Dark Energy Sur","authors_text":"(2) DARK Cosmology Centre, (3) Kyoto Sangyo University, (4) University of Leicester, (5) SUPA University of St Andrews, (6) University of Cambridge, (7) Kavli Institute for Cosmology, (8) University of Oxford, 9), (9) University of the Western Cape), B. Boulderstone (1), D. Watson (2), F. Shankar (6), K. Horne (5), M. Banerji (7), M. Goad (4), M. Jarvis (8, M. Kishimoto (3), M. Smith (1), M. Sullivan (1) ((1) University of Southampton, P. Gandhi (1), S. F. H\\\"onig (1)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-09-28T20:00:22Z","title":"Cosmology with AGN dust time lags -- Simulating the new VEILS survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.09091","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":"sha256:7d50fa6adbaa005880b45c20dcaa1fa6cf1c2580a0ad95561b7c65713115d14b","target":"record","created_at":"2026-05-18T01:02:36Z","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":"8e7e24592d93a34ead54a476756ea57c28289a04c06f4b59b8bcbbbc85f98a83","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-09-28T20:00:22Z","title_canon_sha256":"2f3e5269391d087aef4b48f9c604c0a77297151b3d6ac906b190a5b9afcaa734"},"schema_version":"1.0","source":{"id":"1609.09091","kind":"arxiv","version":1}},"canonical_sha256":"a9996055825794409ab84145eb500b9cc0b0e47686549be78cf07b5aa8786a67","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9996055825794409ab84145eb500b9cc0b0e47686549be78cf07b5aa8786a67","first_computed_at":"2026-05-18T01:02:36.337092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:36.337092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s/LvFMzpZR6IwHOMaCojaC+rbmNaDKCBfx5ApIiPRgVl2sh7HgsbrFeQ463b8o3MproO2Ls0MCC9m2sFRTPqCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:36.337828Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.09091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d50fa6adbaa005880b45c20dcaa1fa6cf1c2580a0ad95561b7c65713115d14b","sha256:f9d22ff90b850bb264c131885680fe0791cc934d8b9383cebfffff2f9095be57"],"state_sha256":"328a65dd40781006593107b290ccdd4573edfff497e2fa5f398276951281d172"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zg5kcAUah36fdObdymN1fg6Kmc4rjHyrbzpVCC2Ec0ZtiB3/xU865L46KAPsfwQ8WColxQfQq1G1JBJagXHZDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T10:41:21.896859Z","bundle_sha256":"47c2bc48167772c40f043104d808ac440b2b314b969d5a303c7ceb7e5ef65051"}}