{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BNUJOLZZSKR4KWHL4YSIVUVRZG","short_pith_number":"pith:BNUJOLZZ","canonical_record":{"source":{"id":"1104.2904","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-04-14T20:00:15Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"51cb7484bd9bccdce798b198f0a40c7ccf9a6a4140309dff0ed6878bdc06f29b","abstract_canon_sha256":"799bc466a9b2dabe6244195b63aea3338bbd5888b9cf6cd93274cbbf4daea561"},"schema_version":"1.0"},"canonical_sha256":"0b68972f3992a3c558ebe6248ad2b1c991729e36fe37bd710e0f4045c1c08ec7","source":{"kind":"arxiv","id":"1104.2904","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.2904","created_at":"2026-05-18T02:02:28Z"},{"alias_kind":"arxiv_version","alias_value":"1104.2904v2","created_at":"2026-05-18T02:02:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.2904","created_at":"2026-05-18T02:02:28Z"},{"alias_kind":"pith_short_12","alias_value":"BNUJOLZZSKR4","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BNUJOLZZSKR4KWHL","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BNUJOLZZ","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BNUJOLZZSKR4KWHL4YSIVUVRZG","target":"record","payload":{"canonical_record":{"source":{"id":"1104.2904","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-04-14T20:00:15Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"51cb7484bd9bccdce798b198f0a40c7ccf9a6a4140309dff0ed6878bdc06f29b","abstract_canon_sha256":"799bc466a9b2dabe6244195b63aea3338bbd5888b9cf6cd93274cbbf4daea561"},"schema_version":"1.0"},"canonical_sha256":"0b68972f3992a3c558ebe6248ad2b1c991729e36fe37bd710e0f4045c1c08ec7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:28.470763Z","signature_b64":"4je/99wPU2d7DDRo4MIVu7X4ipOd0isjk6nXTV/AVXGXiz60GuIRR0U/ZJIKMZdby8mPP/b+Qn5gjlBANksXDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b68972f3992a3c558ebe6248ad2b1c991729e36fe37bd710e0f4045c1c08ec7","last_reissued_at":"2026-05-18T02:02:28.470054Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:28.470054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.2904","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":"2026-05-18T02:02:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DVHg4A4CfktQrrai8z0sunfbD+b/jjdaOwRobzcggsuUchsPbMbu9mtYSwYU90I2UM+mt86TtRRMURkzhwvUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:18:03.186012Z"},"content_sha256":"cbc38328eb87a5252d2a4743d173f10d066702989ccefe9f7a9eedc5d19a9252","schema_version":"1.0","event_id":"sha256:cbc38328eb87a5252d2a4743d173f10d066702989ccefe9f7a9eedc5d19a9252"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BNUJOLZZSKR4KWHL4YSIVUVRZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AGN environments at z<1.5 in the UKIDSS Ultra-Deep Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"C. J. Conselice, C. Simpson, E. J. Bradshaw, J. S. Dunlop, M. Cirasuolo, O. Almaini, R. J. McLure, R. W. Chuter, W. G. Hartley","submitted_at":"2011-04-14T20:00:15Z","abstract_excerpt":"We investigate the environments of both X-ray and radio-loud AGN within the UKIDSS Ultra-deep Survey (UDS) using deep infrared selection to sample the galaxy density field in the redshift range 1.0 <= z <= 1.5. Using angular cross-correlation techniques we find that both X-ray and radio-loud AGN preferentially reside in overdense environments. We also find that both types of AGN cluster more strongly with those galaxies classified as `passive' rather than those that are actively star-forming. We infer clustering scale lengths comparable to those of passive red galaxies, suggesting that typical"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.2904","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":""},"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":"2026-05-18T02:02:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QI7G+ZqIPiMztlHfSKPX2cMT/LG5KlzY9oN/o/2T1PTrNbFX2oiTsWoLuCF+uHjrIDzqPSwX+ObVeHDnN86MBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:18:03.186373Z"},"content_sha256":"722c1be75b36a2d7db566f6e4f60ebbb1042cb279c8a8bd4f6cb0fa26eeb3c5e","schema_version":"1.0","event_id":"sha256:722c1be75b36a2d7db566f6e4f60ebbb1042cb279c8a8bd4f6cb0fa26eeb3c5e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG/bundle.json","state_url":"https://pith.science/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG/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":"2026-05-28T00:18:03Z","links":{"resolver":"https://pith.science/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG","bundle":"https://pith.science/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG/bundle.json","state":"https://pith.science/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BNUJOLZZSKR4KWHL4YSIVUVRZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BNUJOLZZSKR4KWHL4YSIVUVRZG","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":"799bc466a9b2dabe6244195b63aea3338bbd5888b9cf6cd93274cbbf4daea561","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-04-14T20:00:15Z","title_canon_sha256":"51cb7484bd9bccdce798b198f0a40c7ccf9a6a4140309dff0ed6878bdc06f29b"},"schema_version":"1.0","source":{"id":"1104.2904","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.2904","created_at":"2026-05-18T02:02:28Z"},{"alias_kind":"arxiv_version","alias_value":"1104.2904v2","created_at":"2026-05-18T02:02:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.2904","created_at":"2026-05-18T02:02:28Z"},{"alias_kind":"pith_short_12","alias_value":"BNUJOLZZSKR4","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BNUJOLZZSKR4KWHL","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BNUJOLZZ","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:722c1be75b36a2d7db566f6e4f60ebbb1042cb279c8a8bd4f6cb0fa26eeb3c5e","target":"graph","created_at":"2026-05-18T02:02:28Z","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 investigate the environments of both X-ray and radio-loud AGN within the UKIDSS Ultra-deep Survey (UDS) using deep infrared selection to sample the galaxy density field in the redshift range 1.0 <= z <= 1.5. Using angular cross-correlation techniques we find that both X-ray and radio-loud AGN preferentially reside in overdense environments. We also find that both types of AGN cluster more strongly with those galaxies classified as `passive' rather than those that are actively star-forming. We infer clustering scale lengths comparable to those of passive red galaxies, suggesting that typical","authors_text":"C. J. Conselice, C. Simpson, E. J. Bradshaw, J. S. Dunlop, M. Cirasuolo, O. Almaini, R. J. McLure, R. W. Chuter, W. G. Hartley","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-04-14T20:00:15Z","title":"AGN environments at z<1.5 in the UKIDSS Ultra-Deep Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.2904","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:cbc38328eb87a5252d2a4743d173f10d066702989ccefe9f7a9eedc5d19a9252","target":"record","created_at":"2026-05-18T02:02:28Z","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":"799bc466a9b2dabe6244195b63aea3338bbd5888b9cf6cd93274cbbf4daea561","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-04-14T20:00:15Z","title_canon_sha256":"51cb7484bd9bccdce798b198f0a40c7ccf9a6a4140309dff0ed6878bdc06f29b"},"schema_version":"1.0","source":{"id":"1104.2904","kind":"arxiv","version":2}},"canonical_sha256":"0b68972f3992a3c558ebe6248ad2b1c991729e36fe37bd710e0f4045c1c08ec7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b68972f3992a3c558ebe6248ad2b1c991729e36fe37bd710e0f4045c1c08ec7","first_computed_at":"2026-05-18T02:02:28.470054Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:28.470054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4je/99wPU2d7DDRo4MIVu7X4ipOd0isjk6nXTV/AVXGXiz60GuIRR0U/ZJIKMZdby8mPP/b+Qn5gjlBANksXDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:28.470763Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.2904","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbc38328eb87a5252d2a4743d173f10d066702989ccefe9f7a9eedc5d19a9252","sha256:722c1be75b36a2d7db566f6e4f60ebbb1042cb279c8a8bd4f6cb0fa26eeb3c5e"],"state_sha256":"caeef8f48a405c4299eba01c39482d0a7cbce34512149b6e28b3071a6c2f1602"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WlpA6G37gs5Q62WHQK4KzzImJ22xOrHmFKtEjnT/sYW1RrAJF6TMOYcXOlCIuVHvRv5MTU3xds6U94q5Lb/sBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:18:03.188435Z","bundle_sha256":"76c119e0123fc9060c8515ea732f0132cd313977a4543b804e3cec7564f2cd09"}}