{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1992:J2JD245H7F4VTBUTH3247OCRRM","short_pith_number":"pith:J2JD245H","canonical_record":{"source":{"id":"hep-lat/9204007","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1992-04-17T20:48:13Z","cross_cats_sorted":[],"title_canon_sha256":"84ff53d50f2864951c8a7aa8f2bf100c0ba2805a3cc067fcab18622c91be7d2c","abstract_canon_sha256":"e88a1b4427a7eee57327045320b30894c8f2b1a6f9a2b81a13ac2cec5bf11adc"},"schema_version":"1.0"},"canonical_sha256":"4e923d73a7f9795986933ef5cfb8518b2145e7ff5d28e07ebaa622b0de2ecc10","source":{"kind":"arxiv","id":"hep-lat/9204007","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9204007","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9204007v2","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9204007","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"pith_short_12","alias_value":"J2JD245H7F4V","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"pith_short_16","alias_value":"J2JD245H7F4VTBUT","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"pith_short_8","alias_value":"J2JD245H","created_at":"2026-07-04T15:54:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1992:J2JD245H7F4VTBUTH3247OCRRM","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/9204007","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1992-04-17T20:48:13Z","cross_cats_sorted":[],"title_canon_sha256":"84ff53d50f2864951c8a7aa8f2bf100c0ba2805a3cc067fcab18622c91be7d2c","abstract_canon_sha256":"e88a1b4427a7eee57327045320b30894c8f2b1a6f9a2b81a13ac2cec5bf11adc"},"schema_version":"1.0"},"canonical_sha256":"4e923d73a7f9795986933ef5cfb8518b2145e7ff5d28e07ebaa622b0de2ecc10","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:54:51.194756Z","signature_b64":"PNQOSk3GBhs034fCoMpBMM25GTnMW3vDNMwu8bl5Da3zhBP4JG+zUbKNepoygzJnibQeO/kBNVyu0fAZW9YFDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e923d73a7f9795986933ef5cfb8518b2145e7ff5d28e07ebaa622b0de2ecc10","last_reissued_at":"2026-07-04T15:54:51.194398Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:54:51.194398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/9204007","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:54:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNe2vD0iss0kuEOfUnx77nhSMCB1UDXxmkjBP06O+c+kxlcJGNLeVgsd1xNSbffKRWqeJB3SvS20OQmPrgTGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:48:16.107146Z"},"content_sha256":"c905ca56e795aa2332ef6717e0f345b366938584e86522f3d96481bfff04f19d","schema_version":"1.0","event_id":"sha256:c905ca56e795aa2332ef6717e0f345b366938584e86522f3d96481bfff04f19d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1992:J2JD245H7F4VTBUTH3247OCRRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral Perturbation Theory for the Quenched Approximation of QCD","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Claude Bernard, Maarten Golterman","submitted_at":"1992-04-17T20:48:13Z","abstract_excerpt":"[This version is a minor revision of a previously submitted preprint. Only references have been changed.] We describe a technique for constructing the effective chiral theory for quenched QCD. The effective theory which results is a lagrangian one, with a graded symmetry group which mixes Goldstone bosons and fermions, and with a definite (though slightly peculiar) set of Feynman rules. The straightforward application of these rules gives automatic cancellation of diagrams which would arise from virtual quark loops. The techniques are used to calculate chiral logarithms in $f_K/f_\\pi$, $m_\\pi$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9204007","kind":"arxiv","version":2},"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/hep-lat/9204007/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:54:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NzDb3C/+ln4NWjcKcPPDGBeMbm9KTLcRKPn7jGAmSsj0eQVSW4ro1BpZpbGpyNpYzILhj6Qv4Ysh/ZWi/w3EAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T04:48:16.107943Z"},"content_sha256":"9f51718687a928d28daf6123e00a25a101e057202da6de9e5716d5c2b6fd8a6f","schema_version":"1.0","event_id":"sha256:9f51718687a928d28daf6123e00a25a101e057202da6de9e5716d5c2b6fd8a6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2JD245H7F4VTBUTH3247OCRRM/bundle.json","state_url":"https://pith.science/pith/J2JD245H7F4VTBUTH3247OCRRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2JD245H7F4VTBUTH3247OCRRM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-07T04:48:16Z","links":{"resolver":"https://pith.science/pith/J2JD245H7F4VTBUTH3247OCRRM","bundle":"https://pith.science/pith/J2JD245H7F4VTBUTH3247OCRRM/bundle.json","state":"https://pith.science/pith/J2JD245H7F4VTBUTH3247OCRRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2JD245H7F4VTBUTH3247OCRRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1992:J2JD245H7F4VTBUTH3247OCRRM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e88a1b4427a7eee57327045320b30894c8f2b1a6f9a2b81a13ac2cec5bf11adc","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1992-04-17T20:48:13Z","title_canon_sha256":"84ff53d50f2864951c8a7aa8f2bf100c0ba2805a3cc067fcab18622c91be7d2c"},"schema_version":"1.0","source":{"id":"hep-lat/9204007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9204007","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9204007v2","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9204007","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"pith_short_12","alias_value":"J2JD245H7F4V","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"pith_short_16","alias_value":"J2JD245H7F4VTBUT","created_at":"2026-07-04T15:54:51Z"},{"alias_kind":"pith_short_8","alias_value":"J2JD245H","created_at":"2026-07-04T15:54:51Z"}],"graph_snapshots":[{"event_id":"sha256:9f51718687a928d28daf6123e00a25a101e057202da6de9e5716d5c2b6fd8a6f","target":"graph","created_at":"2026-07-04T15:54:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-lat/9204007/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"[This version is a minor revision of a previously submitted preprint. Only references have been changed.] We describe a technique for constructing the effective chiral theory for quenched QCD. The effective theory which results is a lagrangian one, with a graded symmetry group which mixes Goldstone bosons and fermions, and with a definite (though slightly peculiar) set of Feynman rules. The straightforward application of these rules gives automatic cancellation of diagrams which would arise from virtual quark loops. The techniques are used to calculate chiral logarithms in $f_K/f_\\pi$, $m_\\pi$","authors_text":"Claude Bernard, Maarten Golterman","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"1992-04-17T20:48:13Z","title":"Chiral Perturbation Theory for the Quenched Approximation of QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9204007","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c905ca56e795aa2332ef6717e0f345b366938584e86522f3d96481bfff04f19d","target":"record","created_at":"2026-07-04T15:54:51Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e88a1b4427a7eee57327045320b30894c8f2b1a6f9a2b81a13ac2cec5bf11adc","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1992-04-17T20:48:13Z","title_canon_sha256":"84ff53d50f2864951c8a7aa8f2bf100c0ba2805a3cc067fcab18622c91be7d2c"},"schema_version":"1.0","source":{"id":"hep-lat/9204007","kind":"arxiv","version":2}},"canonical_sha256":"4e923d73a7f9795986933ef5cfb8518b2145e7ff5d28e07ebaa622b0de2ecc10","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e923d73a7f9795986933ef5cfb8518b2145e7ff5d28e07ebaa622b0de2ecc10","first_computed_at":"2026-07-04T15:54:51.194398Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:54:51.194398Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PNQOSk3GBhs034fCoMpBMM25GTnMW3vDNMwu8bl5Da3zhBP4JG+zUbKNepoygzJnibQeO/kBNVyu0fAZW9YFDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:54:51.194756Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/9204007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c905ca56e795aa2332ef6717e0f345b366938584e86522f3d96481bfff04f19d","sha256:9f51718687a928d28daf6123e00a25a101e057202da6de9e5716d5c2b6fd8a6f"],"state_sha256":"d8aabd676996fde6e8478df12753e53707f32ee9058a53583c349ed0913b5ef5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LP2X2fqNKaLe0HtVGelGrVb/rOV3SNFTsXTbZFMGmo9bCMOh30l0tK+1Fzqum++XBU1vaZDRfS301/CBv/52CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T04:48:16.112177Z","bundle_sha256":"9ec63f5b064eb9dadbb0ba14e4edf50a67c2279907292e4fc370efb956c6035e"}}