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The neutrino production depends strongly on the cosmic ray power of blazar jets, which is largely unknown. The recent null results in stacking searches of neutrinos for several blazar samples by IceCube put upper limits on the neutrino fluxes from these blazars. Here we compute the cosmic ray power and PeV neutrino flux of Fermi-LAT blazars, and fi"},"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":"1607.02211","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-07-08T02:04:24Z","cross_cats_sorted":[],"title_canon_sha256":"ef8a86c058d53a2b8a00efbd701aa81231bad93c876bcec8daade4aff584ac71","abstract_canon_sha256":"5f34105d06352bcbd962ca72c3a272b454e5bfed07151e0bc18b1b4001f6b509"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:17.486163Z","signature_b64":"q/rktufbB1u7xSVjrzY5yTFbqUz1hS4MwhvwwldEeC3XPCtX8EOKyokLk15lDPiGiWdu9Fpk/OTzOdJ/ETulCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45fa3d708a7db6f01742813eec50b6f9336c4af01d3245a0c53ac33d06486d47","last_reissued_at":"2026-05-18T00:48:17.485590Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:17.485590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on cosmic ray loading and PeV neutrino production in blazars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. 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