{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:PDBRCUDF4YZMF455X65A473KK2","short_pith_number":"pith:PDBRCUDF","schema_version":"1.0","canonical_sha256":"78c3115065e632c2f3bdbfba0e7f6a56a9c63d02bfed162afca445448cba7451","source":{"kind":"arxiv","id":"1110.0489","version":2},"attestation_state":"computed","paper":{"title":"Extreme AGN feedback in the Massive Cluster Survey (MACS): a detailed study of X-ray cavities at z > 0.3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"A. C. Edge, A.C. Fabian, G.B. Taylor, H. Ebeling, J. Hlavacek-Larrondo, J.S. Sanders, M. T. Hogan","submitted_at":"2011-10-03T20:28:01Z","abstract_excerpt":"We present the first statistical study of X-ray cavities in distant clusters of galaxies (z > 0.3). With the aim of providing further insight into how AGN feedback operates at higher redshift, we have analysed the Chandra X-ray observations of the Massive Cluster Survey (MACS) and searched for surface-brightness depressions associated with the Brightest Cluster Galaxy (BCG). The MACS sample consists of the most X-ray luminous clusters within 0.3 < z < 0.7 (median L_(X,RASS) = 7*10^44 erg/s), and out of 76 clusters, we find 13 with \"clear\" cavities and 7 with \"potential\" cavities (detection rat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1110.0489","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-10-03T20:28:01Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"5de94e90381f3e26272c4fe2151710864e2478d8e42f01ab81c065902825d853","abstract_canon_sha256":"33d7ee0660d4236009c70fccf9d3b8a0185ff7a5778da373fe30f8424083a484"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:18.453757Z","signature_b64":"uULCTQCpghO/qQ/pXwZ6gkeZQ/d1elXKWlLk1d+H/x/JuPx1hsrdZc+MvZXNhrjWWimHOb/5O2ufd+rmxmskAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78c3115065e632c2f3bdbfba0e7f6a56a9c63d02bfed162afca445448cba7451","last_reissued_at":"2026-05-18T02:00:18.453198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:18.453198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Extreme AGN feedback in the Massive Cluster Survey (MACS): a detailed study of X-ray cavities at z > 0.3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"A. C. Edge, A.C. Fabian, G.B. Taylor, H. Ebeling, J. Hlavacek-Larrondo, J.S. Sanders, M. T. Hogan","submitted_at":"2011-10-03T20:28:01Z","abstract_excerpt":"We present the first statistical study of X-ray cavities in distant clusters of galaxies (z > 0.3). With the aim of providing further insight into how AGN feedback operates at higher redshift, we have analysed the Chandra X-ray observations of the Massive Cluster Survey (MACS) and searched for surface-brightness depressions associated with the Brightest Cluster Galaxy (BCG). The MACS sample consists of the most X-ray luminous clusters within 0.3 < z < 0.7 (median L_(X,RASS) = 7*10^44 erg/s), and out of 76 clusters, we find 13 with \"clear\" cavities and 7 with \"potential\" cavities (detection rat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.0489","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1110.0489","created_at":"2026-05-18T02:00:18.453274+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.0489v2","created_at":"2026-05-18T02:00:18.453274+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.0489","created_at":"2026-05-18T02:00:18.453274+00:00"},{"alias_kind":"pith_short_12","alias_value":"PDBRCUDF4YZM","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_16","alias_value":"PDBRCUDF4YZMF455","created_at":"2026-05-18T12:26:39.201973+00:00"},{"alias_kind":"pith_short_8","alias_value":"PDBRCUDF","created_at":"2026-05-18T12:26:39.201973+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2","json":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2.json","graph_json":"https://pith.science/api/pith-number/PDBRCUDF4YZMF455X65A473KK2/graph.json","events_json":"https://pith.science/api/pith-number/PDBRCUDF4YZMF455X65A473KK2/events.json","paper":"https://pith.science/paper/PDBRCUDF"},"agent_actions":{"view_html":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2","download_json":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2.json","view_paper":"https://pith.science/paper/PDBRCUDF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.0489&json=true","fetch_graph":"https://pith.science/api/pith-number/PDBRCUDF4YZMF455X65A473KK2/graph.json","fetch_events":"https://pith.science/api/pith-number/PDBRCUDF4YZMF455X65A473KK2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2/action/storage_attestation","attest_author":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2/action/author_attestation","sign_citation":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2/action/citation_signature","submit_replication":"https://pith.science/pith/PDBRCUDF4YZMF455X65A473KK2/action/replication_record"}},"created_at":"2026-05-18T02:00:18.453274+00:00","updated_at":"2026-05-18T02:00:18.453274+00:00"}