{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:KYMXMGHMAIHVX4AMWH4JJHZMTM","short_pith_number":"pith:KYMXMGHM","schema_version":"1.0","canonical_sha256":"56197618ec020f5bf00cb1f8949f2c9b022fd5bfd36eaae73566a21bd1f9cb29","source":{"kind":"arxiv","id":"0906.5610","version":1},"attestation_state":"computed","paper":{"title":"A Joint GMRT/X-ray study of galaxy groups","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. O'Sullivan, J. M. Vrtilek, L. P. David, R. Athreya, S. Giacintucci, S. Raychaudhury, T. Venturi","submitted_at":"2009-06-30T19:24:14Z","abstract_excerpt":"We present results from combined low-frequency radio and X-ray studies of nearby galaxy groups. We consider two main areas: firstly, the evolutionary process from spiral-dominated, HI-rich groups to elliptical-dominated systems with hot, X-ray emitting gas halos; secondly, the mechanism of AGN feedback which appears to balance radiative cooling of the hot halos of evolved groups. The combination of radio and X-ray observations provides a powerful tool for these studies, allowing examination of gas in both hot and cool phases, and of the effects of shock heating and AGN outbursts. Low-frequency"},"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":"0906.5610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-30T19:24:14Z","cross_cats_sorted":[],"title_canon_sha256":"c0af964b8432cc24dbfa27c9af99768a1355bcc8e662832b0a1c88a7ff679389","abstract_canon_sha256":"a4f8074cf7d5c2489e0f2eba4557a06ac93a7d04c0d5605e7b67b9ecfb40651a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:45:20.009824Z","signature_b64":"ys1gMvEYOdcvVXBO7hiUDRZXOZX6O33aanE9V7kzCVc4eI4AN2O1WG/vGRqdLxeFMqmGNL2VxtYyRL0bRy+oDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"56197618ec020f5bf00cb1f8949f2c9b022fd5bfd36eaae73566a21bd1f9cb29","last_reissued_at":"2026-07-04T15:45:20.009479Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:45:20.009479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Joint GMRT/X-ray study of galaxy groups","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. O'Sullivan, J. M. Vrtilek, L. P. David, R. Athreya, S. Giacintucci, S. Raychaudhury, T. Venturi","submitted_at":"2009-06-30T19:24:14Z","abstract_excerpt":"We present results from combined low-frequency radio and X-ray studies of nearby galaxy groups. We consider two main areas: firstly, the evolutionary process from spiral-dominated, HI-rich groups to elliptical-dominated systems with hot, X-ray emitting gas halos; secondly, the mechanism of AGN feedback which appears to balance radiative cooling of the hot halos of evolved groups. The combination of radio and X-ray observations provides a powerful tool for these studies, allowing examination of gas in both hot and cool phases, and of the effects of shock heating and AGN outbursts. Low-frequency"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.5610","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0906.5610/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0906.5610","created_at":"2026-07-04T15:45:20.009540+00:00"},{"alias_kind":"arxiv_version","alias_value":"0906.5610v1","created_at":"2026-07-04T15:45:20.009540+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.5610","created_at":"2026-07-04T15:45:20.009540+00:00"},{"alias_kind":"pith_short_12","alias_value":"KYMXMGHMAIHV","created_at":"2026-07-04T15:45:20.009540+00:00"},{"alias_kind":"pith_short_16","alias_value":"KYMXMGHMAIHVX4AM","created_at":"2026-07-04T15:45:20.009540+00:00"},{"alias_kind":"pith_short_8","alias_value":"KYMXMGHM","created_at":"2026-07-04T15:45:20.009540+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/KYMXMGHMAIHVX4AMWH4JJHZMTM","json":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM.json","graph_json":"https://pith.science/api/pith-number/KYMXMGHMAIHVX4AMWH4JJHZMTM/graph.json","events_json":"https://pith.science/api/pith-number/KYMXMGHMAIHVX4AMWH4JJHZMTM/events.json","paper":"https://pith.science/paper/KYMXMGHM"},"agent_actions":{"view_html":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM","download_json":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM.json","view_paper":"https://pith.science/paper/KYMXMGHM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0906.5610&json=true","fetch_graph":"https://pith.science/api/pith-number/KYMXMGHMAIHVX4AMWH4JJHZMTM/graph.json","fetch_events":"https://pith.science/api/pith-number/KYMXMGHMAIHVX4AMWH4JJHZMTM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM/action/storage_attestation","attest_author":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM/action/author_attestation","sign_citation":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM/action/citation_signature","submit_replication":"https://pith.science/pith/KYMXMGHMAIHVX4AMWH4JJHZMTM/action/replication_record"}},"created_at":"2026-07-04T15:45:20.009540+00:00","updated_at":"2026-07-04T15:45:20.009540+00:00"}