{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:IWUNKUOIJKL4M3AD5P2TRY75PC","short_pith_number":"pith:IWUNKUOI","schema_version":"1.0","canonical_sha256":"45a8d551c84a97c66c03ebf538e3fd78a45e5c623dfeddc963ec26f6929da693","source":{"kind":"arxiv","id":"astro-ph/0101367","version":1},"attestation_state":"computed","paper":{"title":"Radio Galaxy Spectra","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C A Jackson & J V Wall","submitted_at":"2001-01-22T03:18:06Z","abstract_excerpt":"Radio spectra of radio galaxies are often ascribed a simple power law form ($S_{\\nu} \\propto \\nu^{\\alpha}$) with the spectral index, $\\alpha$, being of order -0.7. However, all radio galaxies deviate from this simple power law behaviour. In this paper we derive simple expressions for the average rest-frame spectra of FRI and FRII radio galaxies. These will be used to describe the spectral curvature of the parent (FRI and FRII) populations in models of radio source evolution."},"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/0101367","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-01-22T03:18:06Z","cross_cats_sorted":[],"title_canon_sha256":"bc9333de8a28c738d434d708db29a362eeb3307a2e8013bfe84ae100cf8fb3e6","abstract_canon_sha256":"bb1b927d470ec86a7f78840d961b9808458822774220a493b7b217ec22adcde1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:11:01.219652Z","signature_b64":"/KuyhwQLYEn/LLSCsLK6+szjeb3i8IgSfshF3VhNp+StpsyDaaEODDT8twq9GvZaY5W3Z2ZGKsVZ+inFwlX0DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45a8d551c84a97c66c03ebf538e3fd78a45e5c623dfeddc963ec26f6929da693","last_reissued_at":"2026-07-04T14:11:01.219229Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:11:01.219229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radio Galaxy Spectra","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C A Jackson & J V Wall","submitted_at":"2001-01-22T03:18:06Z","abstract_excerpt":"Radio spectra of radio galaxies are often ascribed a simple power law form ($S_{\\nu} \\propto \\nu^{\\alpha}$) with the spectral index, $\\alpha$, being of order -0.7. However, all radio galaxies deviate from this simple power law behaviour. In this paper we derive simple expressions for the average rest-frame spectra of FRI and FRII radio galaxies. These will be used to describe the spectral curvature of the parent (FRI and FRII) populations in models of radio source evolution."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0101367","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/astro-ph/0101367/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":"astro-ph/0101367","created_at":"2026-07-04T14:11:01.219289+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0101367v1","created_at":"2026-07-04T14:11:01.219289+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0101367","created_at":"2026-07-04T14:11:01.219289+00:00"},{"alias_kind":"pith_short_12","alias_value":"IWUNKUOIJKL4","created_at":"2026-07-04T14:11:01.219289+00:00"},{"alias_kind":"pith_short_16","alias_value":"IWUNKUOIJKL4M3AD","created_at":"2026-07-04T14:11:01.219289+00:00"},{"alias_kind":"pith_short_8","alias_value":"IWUNKUOI","created_at":"2026-07-04T14:11:01.219289+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2604.14088","citing_title":"BROOM: a python package for model-independent analysis of microwave astronomical data","ref_index":68,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC","json":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC.json","graph_json":"https://pith.science/api/pith-number/IWUNKUOIJKL4M3AD5P2TRY75PC/graph.json","events_json":"https://pith.science/api/pith-number/IWUNKUOIJKL4M3AD5P2TRY75PC/events.json","paper":"https://pith.science/paper/IWUNKUOI"},"agent_actions":{"view_html":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC","download_json":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC.json","view_paper":"https://pith.science/paper/IWUNKUOI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0101367&json=true","fetch_graph":"https://pith.science/api/pith-number/IWUNKUOIJKL4M3AD5P2TRY75PC/graph.json","fetch_events":"https://pith.science/api/pith-number/IWUNKUOIJKL4M3AD5P2TRY75PC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC/action/storage_attestation","attest_author":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC/action/author_attestation","sign_citation":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC/action/citation_signature","submit_replication":"https://pith.science/pith/IWUNKUOIJKL4M3AD5P2TRY75PC/action/replication_record"}},"created_at":"2026-07-04T14:11:01.219289+00:00","updated_at":"2026-07-04T14:11:01.219289+00:00"}