{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:3ZBCAEZCCCYNJT7JZEDWK7WHM7","short_pith_number":"pith:3ZBCAEZC","schema_version":"1.0","canonical_sha256":"de4220132210b0d4cfe9c907657ec767cbe5f4e55f7e5d6fc064c29a813c7a62","source":{"kind":"arxiv","id":"1003.4730","version":1},"attestation_state":"computed","paper":{"title":"Magnetohydrodynamic relaxation of AGN ejecta: radio bubbles in the intracluster medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Cita, Jonathan Braithwaite (University of Bonn, Toronto)","submitted_at":"2010-03-24T20:00:02Z","abstract_excerpt":"X-ray images of galaxy clusters often display underdense bubbles which are apparently inflated by AGN outflow. I consider the evolution of the magnetic field inside such a bubble, using a mixture of analytic and numerical methods. It is found that the field relaxes into an equilibrium filling the entire volume of the bubble. The timescale on which this happens depends critically on the magnetisation and helicity of the outflow as well as on properties of the surrounding ICM. If the outflow is strongly magnetised, the magnetic field undergoes reconnection on a short timescale, magnetic energy b"},"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":"1003.4730","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-03-24T20:00:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"541f412b5163349f916a92e2038a948902e3878fe5bd8ad610bcc4e85ad3350e","abstract_canon_sha256":"3005c93fdba203aee3540ac86e3fad9efd1eff5ab90e4686df62f390467f37cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:23.430785Z","signature_b64":"gbWxpV1CzWMUDxh/lEHzUvZ9ZHmt8viQydwE1YXUou2NXeyA4ea5MblJm52fysNIJ1YYD+KNfgrfQd1FtoR3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de4220132210b0d4cfe9c907657ec767cbe5f4e55f7e5d6fc064c29a813c7a62","last_reissued_at":"2026-05-18T02:08:23.430062Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:23.430062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetohydrodynamic relaxation of AGN ejecta: radio bubbles in the intracluster medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Cita, Jonathan Braithwaite (University of Bonn, Toronto)","submitted_at":"2010-03-24T20:00:02Z","abstract_excerpt":"X-ray images of galaxy clusters often display underdense bubbles which are apparently inflated by AGN outflow. I consider the evolution of the magnetic field inside such a bubble, using a mixture of analytic and numerical methods. It is found that the field relaxes into an equilibrium filling the entire volume of the bubble. The timescale on which this happens depends critically on the magnetisation and helicity of the outflow as well as on properties of the surrounding ICM. If the outflow is strongly magnetised, the magnetic field undergoes reconnection on a short timescale, magnetic energy b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.4730","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":"1003.4730","created_at":"2026-05-18T02:08:23.430180+00:00"},{"alias_kind":"arxiv_version","alias_value":"1003.4730v1","created_at":"2026-05-18T02:08:23.430180+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.4730","created_at":"2026-05-18T02:08:23.430180+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ZBCAEZCCCYN","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ZBCAEZCCCYNJT7J","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ZBCAEZC","created_at":"2026-05-18T12:26:03.138858+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/3ZBCAEZCCCYNJT7JZEDWK7WHM7","json":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7.json","graph_json":"https://pith.science/api/pith-number/3ZBCAEZCCCYNJT7JZEDWK7WHM7/graph.json","events_json":"https://pith.science/api/pith-number/3ZBCAEZCCCYNJT7JZEDWK7WHM7/events.json","paper":"https://pith.science/paper/3ZBCAEZC"},"agent_actions":{"view_html":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7","download_json":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7.json","view_paper":"https://pith.science/paper/3ZBCAEZC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1003.4730&json=true","fetch_graph":"https://pith.science/api/pith-number/3ZBCAEZCCCYNJT7JZEDWK7WHM7/graph.json","fetch_events":"https://pith.science/api/pith-number/3ZBCAEZCCCYNJT7JZEDWK7WHM7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7/action/storage_attestation","attest_author":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7/action/author_attestation","sign_citation":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7/action/citation_signature","submit_replication":"https://pith.science/pith/3ZBCAEZCCCYNJT7JZEDWK7WHM7/action/replication_record"}},"created_at":"2026-05-18T02:08:23.430180+00:00","updated_at":"2026-05-18T02:08:23.430180+00:00"}