{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:JLBYULV5DL5DPFDN6OBXA5IYXP","short_pith_number":"pith:JLBYULV5","schema_version":"1.0","canonical_sha256":"4ac38a2ebd1afa37946df383707518bbd8e6a5c95fcb8e71e6f2665cac9bcb79","source":{"kind":"arxiv","id":"0901.0167","version":1},"attestation_state":"computed","paper":{"title":"Blazar nuclei in radio-loud narrow-line Seyfert 1?","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"F. Tavecchio, G. Ghisellini, L. Foschini, L. Maraschi, M. Gliozzi, R. M. Sambruna","submitted_at":"2009-01-01T08:25:36Z","abstract_excerpt":"It has been suggested that some radio-loud narrow-line Seyfert 1 contain relativistic jets, on the basis of their flat-spectrum radio nuclei and studies on variability. We present preliminary results of an ongoing investigation of the X-ray and multiwavelength properties of 5 radio-loud NLS1 based on archival data from Swift and XMM-Newton. Some sources present interesting characteristics, very uncharacteristic for a radio-quiet narrow-line Seyfert 1, such as very hard X-ray spectra, and correlated optical and ultraviolet variability. However, none of the studied sources show conclusive eviden"},"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":"0901.0167","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-01T08:25:36Z","cross_cats_sorted":[],"title_canon_sha256":"0d427ff4cf68dc722060520e67bee017da972484c4d6e4b80e64416a517429e7","abstract_canon_sha256":"75d4a14ce75b249b3fd9246d13cbb12547c5087930a4fec19d2922472d53ea41"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:13:59.565647Z","signature_b64":"yWl5goawOcfHaLNLYsl3hwzLY6dMq5QabFaLWXcRjtRZKXOff2asVSFBWwZ6Y3MI8pmcUZYogRc04lveZB6bBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ac38a2ebd1afa37946df383707518bbd8e6a5c95fcb8e71e6f2665cac9bcb79","last_reissued_at":"2026-07-04T17:13:59.565231Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:13:59.565231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Blazar nuclei in radio-loud narrow-line Seyfert 1?","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"F. Tavecchio, G. Ghisellini, L. Foschini, L. Maraschi, M. Gliozzi, R. M. Sambruna","submitted_at":"2009-01-01T08:25:36Z","abstract_excerpt":"It has been suggested that some radio-loud narrow-line Seyfert 1 contain relativistic jets, on the basis of their flat-spectrum radio nuclei and studies on variability. We present preliminary results of an ongoing investigation of the X-ray and multiwavelength properties of 5 radio-loud NLS1 based on archival data from Swift and XMM-Newton. Some sources present interesting characteristics, very uncharacteristic for a radio-quiet narrow-line Seyfert 1, such as very hard X-ray spectra, and correlated optical and ultraviolet variability. However, none of the studied sources show conclusive eviden"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.0167","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/0901.0167/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":"0901.0167","created_at":"2026-07-04T17:13:59.565299+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.0167v1","created_at":"2026-07-04T17:13:59.565299+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.0167","created_at":"2026-07-04T17:13:59.565299+00:00"},{"alias_kind":"pith_short_12","alias_value":"JLBYULV5DL5D","created_at":"2026-07-04T17:13:59.565299+00:00"},{"alias_kind":"pith_short_16","alias_value":"JLBYULV5DL5DPFDN","created_at":"2026-07-04T17:13:59.565299+00:00"},{"alias_kind":"pith_short_8","alias_value":"JLBYULV5","created_at":"2026-07-04T17:13:59.565299+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/JLBYULV5DL5DPFDN6OBXA5IYXP","json":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP.json","graph_json":"https://pith.science/api/pith-number/JLBYULV5DL5DPFDN6OBXA5IYXP/graph.json","events_json":"https://pith.science/api/pith-number/JLBYULV5DL5DPFDN6OBXA5IYXP/events.json","paper":"https://pith.science/paper/JLBYULV5"},"agent_actions":{"view_html":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP","download_json":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP.json","view_paper":"https://pith.science/paper/JLBYULV5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.0167&json=true","fetch_graph":"https://pith.science/api/pith-number/JLBYULV5DL5DPFDN6OBXA5IYXP/graph.json","fetch_events":"https://pith.science/api/pith-number/JLBYULV5DL5DPFDN6OBXA5IYXP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP/action/storage_attestation","attest_author":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP/action/author_attestation","sign_citation":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP/action/citation_signature","submit_replication":"https://pith.science/pith/JLBYULV5DL5DPFDN6OBXA5IYXP/action/replication_record"}},"created_at":"2026-07-04T17:13:59.565299+00:00","updated_at":"2026-07-04T17:13:59.565299+00:00"}