{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:J5X46RLAW7DQANDHVPE63HZA4V","short_pith_number":"pith:J5X46RLA","canonical_record":{"source":{"id":"1712.01872","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T19:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"bbd63e912588f0413758b297bfca5d331470a9eadf11a2b1d59a954f741722c4","abstract_canon_sha256":"6e8606f99e9408c6329c0bad72b2932a93cb0c899dcdbcc88bae75108ce4cc6f"},"schema_version":"1.0"},"canonical_sha256":"4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766","source":{"kind":"arxiv","id":"1712.01872","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01872","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01872v2","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01872","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"pith_short_12","alias_value":"J5X46RLAW7DQ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"J5X46RLAW7DQANDH","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"J5X46RLA","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:J5X46RLAW7DQANDHVPE63HZA4V","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01872","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T19:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"bbd63e912588f0413758b297bfca5d331470a9eadf11a2b1d59a954f741722c4","abstract_canon_sha256":"6e8606f99e9408c6329c0bad72b2932a93cb0c899dcdbcc88bae75108ce4cc6f"},"schema_version":"1.0"},"canonical_sha256":"4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:22.240466Z","signature_b64":"PDy+K8jm5sAOMWkPuqU07iLPRJg4NBBphbMfg1AXFazXCrlIUdaS2X0B079BSjLQ1pLlJnJTmx1O6vH2weUyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766","last_reissued_at":"2026-05-18T00:00:22.239859Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:22.239859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01872","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":"2026-05-18T00:00:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jtKD4blcg34h7+lVCGm+ctDAiZWeUKozy7A+yFYe1cZsHo9q8uDoRx8c/SZwkaNq06aEZwm4HDy31T11H5J+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:18:30.123624Z"},"content_sha256":"7ccd65f5a011ccc3127ac12eb0513548c62ae3bc838ec64382e6ac132687c7f0","schema_version":"1.0","event_id":"sha256:7ccd65f5a011ccc3127ac12eb0513548c62ae3bc838ec64382e6ac132687c7f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:J5X46RLAW7DQANDHVPE63HZA4V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"XXL Survey XXI. The environment and clustering of X-ray AGN in the XXL-South field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Butler, A. Elyiv, C. Adami, C. Lidman, C. Vignali, E. Koulouridis, E. Pompei, F. Finet, I. Delvecchio, J. Delhaize, J. Surdej, L. Chiappetti, M. Huynh, M. Pierre, M. Plionis, N. Baran, O. Melnyk, S. Fotopoulou, V. Smolcic","submitted_at":"2017-12-05T19:07:49Z","abstract_excerpt":"This work is part of a series of studies focusing on the environment and the properties of the X-ray selected active galactic nuclei (AGN) population from the XXL survey. The present survey, given its large area, continuity, extensive multiwavelength coverage, and large-scale structure information, is ideal for this kind of study. Here, we focus on the XXL-South (XXL-S) field. Our main aim is to study the environment of the various types of X-ray selected AGN and investigate its possible role in AGN triggering and evolution. We studied the large-scale (>1 Mpc) environment up to redshift z=1 us"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01872","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":"2026-05-18T00:00:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X1q+KA6w69sbZ+T2k+1oiuO+Vh1UzYi+Is2+MdgbIyPBTFJWHRMnrRjB/klBy09lngFc7lz++9IKxNiHw/+OBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:18:30.124283Z"},"content_sha256":"e4c9a0b0ec3059d021545dae01aaec93c07405d80c16ce5aa2549835ede0f694","schema_version":"1.0","event_id":"sha256:e4c9a0b0ec3059d021545dae01aaec93c07405d80c16ce5aa2549835ede0f694"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J5X46RLAW7DQANDHVPE63HZA4V/bundle.json","state_url":"https://pith.science/pith/J5X46RLAW7DQANDHVPE63HZA4V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J5X46RLAW7DQANDHVPE63HZA4V/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":"2026-05-27T10:18:30Z","links":{"resolver":"https://pith.science/pith/J5X46RLAW7DQANDHVPE63HZA4V","bundle":"https://pith.science/pith/J5X46RLAW7DQANDHVPE63HZA4V/bundle.json","state":"https://pith.science/pith/J5X46RLAW7DQANDHVPE63HZA4V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J5X46RLAW7DQANDHVPE63HZA4V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:J5X46RLAW7DQANDHVPE63HZA4V","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":"6e8606f99e9408c6329c0bad72b2932a93cb0c899dcdbcc88bae75108ce4cc6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T19:07:49Z","title_canon_sha256":"bbd63e912588f0413758b297bfca5d331470a9eadf11a2b1d59a954f741722c4"},"schema_version":"1.0","source":{"id":"1712.01872","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01872","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01872v2","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01872","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"pith_short_12","alias_value":"J5X46RLAW7DQ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"J5X46RLAW7DQANDH","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"J5X46RLA","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:e4c9a0b0ec3059d021545dae01aaec93c07405d80c16ce5aa2549835ede0f694","target":"graph","created_at":"2026-05-18T00:00:22Z","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":"This work is part of a series of studies focusing on the environment and the properties of the X-ray selected active galactic nuclei (AGN) population from the XXL survey. The present survey, given its large area, continuity, extensive multiwavelength coverage, and large-scale structure information, is ideal for this kind of study. Here, we focus on the XXL-South (XXL-S) field. Our main aim is to study the environment of the various types of X-ray selected AGN and investigate its possible role in AGN triggering and evolution. We studied the large-scale (>1 Mpc) environment up to redshift z=1 us","authors_text":"A. Butler, A. Elyiv, C. Adami, C. Lidman, C. Vignali, E. Koulouridis, E. Pompei, F. Finet, I. Delvecchio, J. Delhaize, J. Surdej, L. Chiappetti, M. Huynh, M. Pierre, M. Plionis, N. Baran, O. Melnyk, S. Fotopoulou, V. Smolcic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T19:07:49Z","title":"XXL Survey XXI. The environment and clustering of X-ray AGN in the XXL-South field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01872","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":"sha256:7ccd65f5a011ccc3127ac12eb0513548c62ae3bc838ec64382e6ac132687c7f0","target":"record","created_at":"2026-05-18T00:00:22Z","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":"6e8606f99e9408c6329c0bad72b2932a93cb0c899dcdbcc88bae75108ce4cc6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-12-05T19:07:49Z","title_canon_sha256":"bbd63e912588f0413758b297bfca5d331470a9eadf11a2b1d59a954f741722c4"},"schema_version":"1.0","source":{"id":"1712.01872","kind":"arxiv","version":2}},"canonical_sha256":"4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f6fcf4560b7c7003467abc9ed9f20e57d4515227608f2b9332eb8134344c766","first_computed_at":"2026-05-18T00:00:22.239859Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:22.239859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PDy+K8jm5sAOMWkPuqU07iLPRJg4NBBphbMfg1AXFazXCrlIUdaS2X0B079BSjLQ1pLlJnJTmx1O6vH2weUyBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:22.240466Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01872","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ccd65f5a011ccc3127ac12eb0513548c62ae3bc838ec64382e6ac132687c7f0","sha256:e4c9a0b0ec3059d021545dae01aaec93c07405d80c16ce5aa2549835ede0f694"],"state_sha256":"ccddbc457ad4759b88906a48fd3ad944acc86517d0a3263e3bbe34fa6adfe6ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nutW21nRL0BExaEn3bR25syR03cswhEfIc4TA8wL0ggLu7A7ph1RAc06fx1zBL0dQmQWZxN81/RvjkOKOYmvCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:18:30.127129Z","bundle_sha256":"0ff70af95e9baf748b904967034af9680d19b8e6aed22caaaf2f65d631132a71"}}