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We find $m_0^2 \\equiv \\langle O_\\sigma \\rangle / \\langle \\bar\\psi\\psi \\rangle \\approx 4 \\bar\\rho^{-2} = 1.4 GeV^2$, somewhat larger than the estimate from QCD sum rules for the nucleon."},"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":"hep-ph/9607244","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1996-07-04T22:12:45Z","cross_cats_sorted":[],"title_canon_sha256":"959c1981a4f995953336f740b2bc048680f2ad41233abce2b1bd04730c80d394","abstract_canon_sha256":"106e1e6705c110d7f5f4d1827149a0f25e52dcec76c80602a398d018cb72e3d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:01:37.311194Z","signature_b64":"uNrBAbxBAJI01NDdiRRRELnrJS3HXStuuftfeP3oi6g7ZYcuqWitn091LCk5SK/GJ3uYJYUTVDCmnZg1E1YTDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3caca3521681d627f9023bd51968173f17b0e2f137362c7fa9fe75cb2cec54a9","last_reissued_at":"2026-07-04T16:01:37.310839Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:01:37.310839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mixed quark-gluon condensate from instantons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. 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