{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:PRQWRRL7LSFCO3ZTXCEHFHGLZG","short_pith_number":"pith:PRQWRRL7","schema_version":"1.0","canonical_sha256":"7c6168c57f5c8a276f33b888729ccbc9b1600ef0ec3e6099fcf34322a11ea7ef","source":{"kind":"arxiv","id":"2607.10359","version":1},"attestation_state":"computed","paper":{"title":"Magnetically Arrested Discs Powering Jets in a Large Sample of Low-Accretion FR I Radio Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bei You, Han He, Huibo Fei, Leyi Wang, Liang Chen, Minfeng Gu, Xuheng Ding","submitted_at":"2026-07-11T15:35:09Z","abstract_excerpt":"We study a sample of 289 Fanaroff-Riley type I (FR I) radio galaxies selected from the LOFAR Two-Metre Sky Survey (LoTSS) DR1, identified by their edge-darkened radio morphologies. Using Sloan Digital Sky Survey (SDSS) DR17 optical photometry and spectroscopy, we derive Eddington-scaled accretion rates spanning -6.84 < log $\\dot{m}$ < -0.87 (median $\\approx$ -2.84). The vast majority of sources lie below $\\dot{m}$ = 0.01, indicating that their central engines are well described by advection-dominated accretion flows (ADAFs). However, even for a rapidly spinning black hole with a = 0.95, the ma"},"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":"2607.10359","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-11T15:35:09Z","cross_cats_sorted":[],"title_canon_sha256":"bd3b486957cff59de2a4ec43eea061b6e00afb2f201bdf4e46e9f3dc025352f1","abstract_canon_sha256":"0ad269e958f82557460c954d6f0947a0f6d27c6f5e6278f2c388ade4a192321f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T01:21:11.763238Z","signature_b64":"M7QatIRQWlMX8LaxImJpgT/cXeLzLrPKjc9n1+dgt/fCn+6A2mf+I/GtdGhqSQfysSfPxVcq+d0cHipbm1zFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c6168c57f5c8a276f33b888729ccbc9b1600ef0ec3e6099fcf34322a11ea7ef","last_reissued_at":"2026-07-14T01:21:11.762442Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T01:21:11.762442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetically Arrested Discs Powering Jets in a Large Sample of Low-Accretion FR I Radio Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bei You, Han He, Huibo Fei, Leyi Wang, Liang Chen, Minfeng Gu, Xuheng Ding","submitted_at":"2026-07-11T15:35:09Z","abstract_excerpt":"We study a sample of 289 Fanaroff-Riley type I (FR I) radio galaxies selected from the LOFAR Two-Metre Sky Survey (LoTSS) DR1, identified by their edge-darkened radio morphologies. Using Sloan Digital Sky Survey (SDSS) DR17 optical photometry and spectroscopy, we derive Eddington-scaled accretion rates spanning -6.84 < log $\\dot{m}$ < -0.87 (median $\\approx$ -2.84). The vast majority of sources lie below $\\dot{m}$ = 0.01, indicating that their central engines are well described by advection-dominated accretion flows (ADAFs). However, even for a rapidly spinning black hole with a = 0.95, the ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.10359","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/2607.10359/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":"2607.10359","created_at":"2026-07-14T01:21:11.762855+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.10359v1","created_at":"2026-07-14T01:21:11.762855+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.10359","created_at":"2026-07-14T01:21:11.762855+00:00"},{"alias_kind":"pith_short_12","alias_value":"PRQWRRL7LSFC","created_at":"2026-07-14T01:21:11.762855+00:00"},{"alias_kind":"pith_short_16","alias_value":"PRQWRRL7LSFCO3ZT","created_at":"2026-07-14T01:21:11.762855+00:00"},{"alias_kind":"pith_short_8","alias_value":"PRQWRRL7","created_at":"2026-07-14T01:21:11.762855+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/PRQWRRL7LSFCO3ZTXCEHFHGLZG","json":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG.json","graph_json":"https://pith.science/api/pith-number/PRQWRRL7LSFCO3ZTXCEHFHGLZG/graph.json","events_json":"https://pith.science/api/pith-number/PRQWRRL7LSFCO3ZTXCEHFHGLZG/events.json","paper":"https://pith.science/paper/PRQWRRL7"},"agent_actions":{"view_html":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG","download_json":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG.json","view_paper":"https://pith.science/paper/PRQWRRL7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.10359&json=true","fetch_graph":"https://pith.science/api/pith-number/PRQWRRL7LSFCO3ZTXCEHFHGLZG/graph.json","fetch_events":"https://pith.science/api/pith-number/PRQWRRL7LSFCO3ZTXCEHFHGLZG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG/action/storage_attestation","attest_author":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG/action/author_attestation","sign_citation":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG/action/citation_signature","submit_replication":"https://pith.science/pith/PRQWRRL7LSFCO3ZTXCEHFHGLZG/action/replication_record"}},"created_at":"2026-07-14T01:21:11.762855+00:00","updated_at":"2026-07-14T01:21:11.762855+00:00"}