{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:VSHVVQUBHOKMWS3FL3J7YP3ANF","short_pith_number":"pith:VSHVVQUB","schema_version":"1.0","canonical_sha256":"ac8f5ac2813b94cb4b655ed3fc3f6069651edc0465360c0573ef43eaf8b7a966","source":{"kind":"arxiv","id":"astro-ph/0612595","version":1},"attestation_state":"computed","paper":{"title":"Tracing Ghost Cavities with Low Frequency Radio Observations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2) Interferometrics Inc., (3) BU, (4) UvA, (5) NCRA-TIFR, (6) SAP/CEA), Craig Sarazin (4), Doris Neumann (6) ((1) NRL, Elizabeth Blanton (3), Gopal-Krishna (5), Henrique Schmitt (1, Loren Anderson (3), Namir Kassim (1), Tracy Clarke (1","submitted_at":"2006-12-20T16:33:33Z","abstract_excerpt":"We present X-ray and multi-frequency radio observations of the central radio sources in several X-ray cavity systems. We show that targeted radio observations are key to determining if the lobes are being actively fed by the central AGN. Low frequency observations provide a unique way to study both the lifecycle of the central radio source as well as its energy input into the ICM over several outburst episodes."},"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":"astro-ph/0612595","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-20T16:33:33Z","cross_cats_sorted":[],"title_canon_sha256":"a2097215b9e6ed6269caea03efe7911b6952160610509b5ce72fc2b14673606e","abstract_canon_sha256":"8856f4ae75c4cd7bcaf661d5d1a09748ba07a37a7c2c9c2bc24bd605a001e151"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:27.319406Z","signature_b64":"wmvR9/nrGW2M2i2rzE9BESso+kAeuKt+3c1NYNQMXySqj5YYRSQP8ffIeVo3AypGLHL3NSeRCs5fZyWb394sCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac8f5ac2813b94cb4b655ed3fc3f6069651edc0465360c0573ef43eaf8b7a966","last_reissued_at":"2026-05-18T01:40:27.318643Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:27.318643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tracing Ghost Cavities with Low Frequency Radio Observations","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2) Interferometrics Inc., (3) BU, (4) UvA, (5) NCRA-TIFR, (6) SAP/CEA), Craig Sarazin (4), Doris Neumann (6) ((1) NRL, Elizabeth Blanton (3), Gopal-Krishna (5), Henrique Schmitt (1, Loren Anderson (3), Namir Kassim (1), Tracy Clarke (1","submitted_at":"2006-12-20T16:33:33Z","abstract_excerpt":"We present X-ray and multi-frequency radio observations of the central radio sources in several X-ray cavity systems. We show that targeted radio observations are key to determining if the lobes are being actively fed by the central AGN. Low frequency observations provide a unique way to study both the lifecycle of the central radio source as well as its energy input into the ICM over several outburst episodes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0612595","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0612595","created_at":"2026-05-18T01:40:27.318764+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0612595v1","created_at":"2026-05-18T01:40:27.318764+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0612595","created_at":"2026-05-18T01:40:27.318764+00:00"},{"alias_kind":"pith_short_12","alias_value":"VSHVVQUBHOKM","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_16","alias_value":"VSHVVQUBHOKMWS3F","created_at":"2026-05-18T12:25:54.717736+00:00"},{"alias_kind":"pith_short_8","alias_value":"VSHVVQUB","created_at":"2026-05-18T12:25:54.717736+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/VSHVVQUBHOKMWS3FL3J7YP3ANF","json":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF.json","graph_json":"https://pith.science/api/pith-number/VSHVVQUBHOKMWS3FL3J7YP3ANF/graph.json","events_json":"https://pith.science/api/pith-number/VSHVVQUBHOKMWS3FL3J7YP3ANF/events.json","paper":"https://pith.science/paper/VSHVVQUB"},"agent_actions":{"view_html":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF","download_json":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF.json","view_paper":"https://pith.science/paper/VSHVVQUB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0612595&json=true","fetch_graph":"https://pith.science/api/pith-number/VSHVVQUBHOKMWS3FL3J7YP3ANF/graph.json","fetch_events":"https://pith.science/api/pith-number/VSHVVQUBHOKMWS3FL3J7YP3ANF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF/action/storage_attestation","attest_author":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF/action/author_attestation","sign_citation":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF/action/citation_signature","submit_replication":"https://pith.science/pith/VSHVVQUBHOKMWS3FL3J7YP3ANF/action/replication_record"}},"created_at":"2026-05-18T01:40:27.318764+00:00","updated_at":"2026-05-18T01:40:27.318764+00:00"}