{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:LZ7EGOBVUL7J2IFZ3HSUQ6BXL3","short_pith_number":"pith:LZ7EGOBV","schema_version":"1.0","canonical_sha256":"5e7e433835a2fe9d20b9d9e54878375ef229921e6e9ca6e3ec2d641a2e5ada17","source":{"kind":"arxiv","id":"1011.0567","version":1},"attestation_state":"computed","paper":{"title":"Dying Radio Sources in Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Tarchi, F. Govoni, H.R. de Ruiter, K.-H. Mack, M. Markevitch, M. Murgia, P. Parma, R. Fanti, S. Giacintucci","submitted_at":"2010-11-02T10:33:27Z","abstract_excerpt":"We present the study of five `dying' nearby radio galaxies belonging to the WENSS minisurvey and to the B2 bright catalogs: WNB1734+6407, WNB1829+6911, WNB1851+5707, B2 0120+33, and B2 1610+29. These sources have been selected on the basis of their extremely steep broad-band radio spectra. The modeling of the integrated spectra and the deep spectral index images obtained with the VLA confirmed that in these sources the central engine has ceased to be active for a significant fraction of their lifetime although their extended lobes have not yet completely faded away. We found that WNB1851+5707 "},"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":"1011.0567","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-11-02T10:33:27Z","cross_cats_sorted":[],"title_canon_sha256":"19f96b4ae5b6eff30f147eb8fa9e3a7a8c39862d0777d0bae9b32ee3f967ecc7","abstract_canon_sha256":"22578f4843b6a1141d8c8063d6e7f6c3014aed5899ae9c746ee7cba39024948d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:53.762240Z","signature_b64":"ZRJ6DsYwaZbCFdC47cXRNo455Zp+Uv/qzi/RWwSWsSPMGq4y/uLvQV7kr/5YwtdDVCZv+jfhFsiUDl2ze7RaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e7e433835a2fe9d20b9d9e54878375ef229921e6e9ca6e3ec2d641a2e5ada17","last_reissued_at":"2026-05-18T02:04:53.761658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:53.761658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dying Radio Sources in Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Tarchi, F. Govoni, H.R. de Ruiter, K.-H. Mack, M. Markevitch, M. Murgia, P. Parma, R. Fanti, S. Giacintucci","submitted_at":"2010-11-02T10:33:27Z","abstract_excerpt":"We present the study of five `dying' nearby radio galaxies belonging to the WENSS minisurvey and to the B2 bright catalogs: WNB1734+6407, WNB1829+6911, WNB1851+5707, B2 0120+33, and B2 1610+29. These sources have been selected on the basis of their extremely steep broad-band radio spectra. The modeling of the integrated spectra and the deep spectral index images obtained with the VLA confirmed that in these sources the central engine has ceased to be active for a significant fraction of their lifetime although their extended lobes have not yet completely faded away. We found that WNB1851+5707 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0567","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":"1011.0567","created_at":"2026-05-18T02:04:53.761758+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.0567v1","created_at":"2026-05-18T02:04:53.761758+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0567","created_at":"2026-05-18T02:04:53.761758+00:00"},{"alias_kind":"pith_short_12","alias_value":"LZ7EGOBVUL7J","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"LZ7EGOBVUL7J2IFZ","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"LZ7EGOBV","created_at":"2026-05-18T12:26:10.704358+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/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3","json":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3.json","graph_json":"https://pith.science/api/pith-number/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/graph.json","events_json":"https://pith.science/api/pith-number/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/events.json","paper":"https://pith.science/paper/LZ7EGOBV"},"agent_actions":{"view_html":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3","download_json":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3.json","view_paper":"https://pith.science/paper/LZ7EGOBV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.0567&json=true","fetch_graph":"https://pith.science/api/pith-number/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/graph.json","fetch_events":"https://pith.science/api/pith-number/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/action/storage_attestation","attest_author":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/action/author_attestation","sign_citation":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/action/citation_signature","submit_replication":"https://pith.science/pith/LZ7EGOBVUL7J2IFZ3HSUQ6BXL3/action/replication_record"}},"created_at":"2026-05-18T02:04:53.761758+00:00","updated_at":"2026-05-18T02:04:53.761758+00:00"}