{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:DYOSB3TPH6DXRP26VFA7WICBC3","short_pith_number":"pith:DYOSB3TP","schema_version":"1.0","canonical_sha256":"1e1d20ee6f3f8778bf5ea941fb204116e288470c998db8496ee8728a959cf0d4","source":{"kind":"arxiv","id":"0901.1941","version":2},"attestation_state":"computed","paper":{"title":"A search for diffuse radio emission in the relaxed, cool-core galaxy clusters A1068, A1413, A1650, A1835, A2029, and Ophiuchus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. Carretti, F. Govoni, G.B. Taylor, G. Giovannini, L. Feretti, M. Markevitch, M. Murgia","submitted_at":"2009-01-14T07:12:33Z","abstract_excerpt":"We analyze sensitive, high-dynamic-range, observations to search for extended, diffuse, radio emission in relaxed and cool-core galaxy clusters. We performed deep 1.4 GHz Very Large Array observations, of A1068, A1413, A1650, A1835, A2029, and complemented our dataset with archival observations of Ophiuchus. We find that, in the central regions of A1835, A2029, and Ophiuchus, the dominant radio galaxy is surrounded by diffuse low-brightness radio emission that takes the form of a mini-halo. We detect no diffuse emission in A1650, at a surface brightness level of the other mini-halos. We find l"},"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":"0901.1941","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-01-14T07:12:33Z","cross_cats_sorted":[],"title_canon_sha256":"4a8c8de58325c75ccf69db4341f00c65c49dde81fa5353ededf471d0feb20813","abstract_canon_sha256":"bd820cb2a9bace6780298b974ca633e4e9201167039a904e895209a800381f55"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:02.402843Z","signature_b64":"4PZbRqnjkI4jwVnZnDNwWx7d+mHQrS4LnnEl7CglI/NlGJE+o3ukwxiZ0y9aNaaxdRMYaHvrxHfweEUwZdrPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e1d20ee6f3f8778bf5ea941fb204116e288470c998db8496ee8728a959cf0d4","last_reissued_at":"2026-05-18T02:15:02.402399Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:02.402399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A search for diffuse radio emission in the relaxed, cool-core galaxy clusters A1068, A1413, A1650, A1835, A2029, and Ophiuchus","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. Carretti, F. Govoni, G.B. Taylor, G. Giovannini, L. Feretti, M. Markevitch, M. Murgia","submitted_at":"2009-01-14T07:12:33Z","abstract_excerpt":"We analyze sensitive, high-dynamic-range, observations to search for extended, diffuse, radio emission in relaxed and cool-core galaxy clusters. We performed deep 1.4 GHz Very Large Array observations, of A1068, A1413, A1650, A1835, A2029, and complemented our dataset with archival observations of Ophiuchus. We find that, in the central regions of A1835, A2029, and Ophiuchus, the dominant radio galaxy is surrounded by diffuse low-brightness radio emission that takes the form of a mini-halo. We detect no diffuse emission in A1650, at a surface brightness level of the other mini-halos. We find l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.1941","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":"0901.1941","created_at":"2026-05-18T02:15:02.402468+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.1941v2","created_at":"2026-05-18T02:15:02.402468+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.1941","created_at":"2026-05-18T02:15:02.402468+00:00"},{"alias_kind":"pith_short_12","alias_value":"DYOSB3TPH6DX","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"DYOSB3TPH6DXRP26","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"DYOSB3TP","created_at":"2026-05-18T12:25:59.703012+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/DYOSB3TPH6DXRP26VFA7WICBC3","json":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3.json","graph_json":"https://pith.science/api/pith-number/DYOSB3TPH6DXRP26VFA7WICBC3/graph.json","events_json":"https://pith.science/api/pith-number/DYOSB3TPH6DXRP26VFA7WICBC3/events.json","paper":"https://pith.science/paper/DYOSB3TP"},"agent_actions":{"view_html":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3","download_json":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3.json","view_paper":"https://pith.science/paper/DYOSB3TP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.1941&json=true","fetch_graph":"https://pith.science/api/pith-number/DYOSB3TPH6DXRP26VFA7WICBC3/graph.json","fetch_events":"https://pith.science/api/pith-number/DYOSB3TPH6DXRP26VFA7WICBC3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3/action/storage_attestation","attest_author":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3/action/author_attestation","sign_citation":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3/action/citation_signature","submit_replication":"https://pith.science/pith/DYOSB3TPH6DXRP26VFA7WICBC3/action/replication_record"}},"created_at":"2026-05-18T02:15:02.402468+00:00","updated_at":"2026-05-18T02:15:02.402468+00:00"}