{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:7RUUWVJ375ZSYIS4O5ZSR633UO","short_pith_number":"pith:7RUUWVJ3","schema_version":"1.0","canonical_sha256":"fc694b553bff732c225c777328fb7ba39698f1a07e94870558a0da7d49c90188","source":{"kind":"arxiv","id":"0911.3734","version":2},"attestation_state":"computed","paper":{"title":"Dust tori in radio galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"G. van der Wolk, J.W. Pel, P.D. Barthel, R.F. Peletier","submitted_at":"2009-11-19T15:44:16Z","abstract_excerpt":"We investigate the validity of the quasar - radio galaxy unification scenario and detect dust tori within radio galaxies of various types. Using VISIR on the VLT, we acquired sub-arcsecond (~0.40\") resolution N-band images, at a wavelength of 11.85 micron, of the nuclei of a sample of 27 radio galaxies of four types in the redshift range z=0.006-0.156. The sample consists of 8 edge-darkened, low-power Fanaroff-Riley class I (FR-I) radio galaxies, 6 edge-brightened, class II (FR-II) radio galaxies displaying low-excitation optical emission, 7 FR-IIs displaying high-excitation optical emission, "},"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":"0911.3734","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-11-19T15:44:16Z","cross_cats_sorted":[],"title_canon_sha256":"51f55072318d54e9a5ccc08b383d2e4e2774650c9cf4f4862618b30ed9b6104b","abstract_canon_sha256":"77e792772111b3807b4ef907affe027cfc6816fff171cc84a607a77b10880bf6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:04.532573Z","signature_b64":"k9Xi+CA66CPkDd1VRO78s+yCF2/YM3jrEjmWmVdKG8GLxgBBEECk8KHaMmYRh5Aj5dAgojckMN6iasA8k+irCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc694b553bff732c225c777328fb7ba39698f1a07e94870558a0da7d49c90188","last_reissued_at":"2026-05-18T02:34:04.531973Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:04.531973Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dust tori in radio galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"G. van der Wolk, J.W. Pel, P.D. Barthel, R.F. Peletier","submitted_at":"2009-11-19T15:44:16Z","abstract_excerpt":"We investigate the validity of the quasar - radio galaxy unification scenario and detect dust tori within radio galaxies of various types. Using VISIR on the VLT, we acquired sub-arcsecond (~0.40\") resolution N-band images, at a wavelength of 11.85 micron, of the nuclei of a sample of 27 radio galaxies of four types in the redshift range z=0.006-0.156. The sample consists of 8 edge-darkened, low-power Fanaroff-Riley class I (FR-I) radio galaxies, 6 edge-brightened, class II (FR-II) radio galaxies displaying low-excitation optical emission, 7 FR-IIs displaying high-excitation optical emission, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3734","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":"0911.3734","created_at":"2026-05-18T02:34:04.532050+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.3734v2","created_at":"2026-05-18T02:34:04.532050+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3734","created_at":"2026-05-18T02:34:04.532050+00:00"},{"alias_kind":"pith_short_12","alias_value":"7RUUWVJ375ZS","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"7RUUWVJ375ZSYIS4","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"7RUUWVJ3","created_at":"2026-05-18T12:25:58.837520+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.25814","citing_title":"Compact radio galaxies: the case of FR0s","ref_index":221,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO","json":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO.json","graph_json":"https://pith.science/api/pith-number/7RUUWVJ375ZSYIS4O5ZSR633UO/graph.json","events_json":"https://pith.science/api/pith-number/7RUUWVJ375ZSYIS4O5ZSR633UO/events.json","paper":"https://pith.science/paper/7RUUWVJ3"},"agent_actions":{"view_html":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO","download_json":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO.json","view_paper":"https://pith.science/paper/7RUUWVJ3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.3734&json=true","fetch_graph":"https://pith.science/api/pith-number/7RUUWVJ375ZSYIS4O5ZSR633UO/graph.json","fetch_events":"https://pith.science/api/pith-number/7RUUWVJ375ZSYIS4O5ZSR633UO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO/action/storage_attestation","attest_author":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO/action/author_attestation","sign_citation":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO/action/citation_signature","submit_replication":"https://pith.science/pith/7RUUWVJ375ZSYIS4O5ZSR633UO/action/replication_record"}},"created_at":"2026-05-18T02:34:04.532050+00:00","updated_at":"2026-05-18T02:34:04.532050+00:00"}