{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:UWCUOR435PD3YCQCW2BLJMHHO7","short_pith_number":"pith:UWCUOR43","canonical_record":{"source":{"id":"hep-lat/0212012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"2002-12-06T16:54:21Z","cross_cats_sorted":[],"title_canon_sha256":"742f502b7d877922bce50749acd1b730741ec670daa8c3c8f18f0f8a5fcab5a1","abstract_canon_sha256":"20ed4ff62a49ecee5eb8d328c48cbe652d0f8d2d5ab534e9180ab1fa4a7443f1"},"schema_version":"1.0"},"canonical_sha256":"a58547479bebc7bc0a02b682b4b0e777f1874daefad0dc3e33b3ea0afa34f3c3","source":{"kind":"arxiv","id":"hep-lat/0212012","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/0212012","created_at":"2026-05-18T04:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/0212012v1","created_at":"2026-05-18T04:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/0212012","created_at":"2026-05-18T04:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"UWCUOR435PD3","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"UWCUOR435PD3YCQC","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"UWCUOR43","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:UWCUOR435PD3YCQCW2BLJMHHO7","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/0212012","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"2002-12-06T16:54:21Z","cross_cats_sorted":[],"title_canon_sha256":"742f502b7d877922bce50749acd1b730741ec670daa8c3c8f18f0f8a5fcab5a1","abstract_canon_sha256":"20ed4ff62a49ecee5eb8d328c48cbe652d0f8d2d5ab534e9180ab1fa4a7443f1"},"schema_version":"1.0"},"canonical_sha256":"a58547479bebc7bc0a02b682b4b0e777f1874daefad0dc3e33b3ea0afa34f3c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:17:46.020640Z","signature_b64":"iX6dBMxP9oqWaEYrPDu9EzuDBVYm34dsgnndPu/s88FskI2sZIkb1OvW4uHFzIDJfivZAaCs0soPl+tWZgyDDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a58547479bebc7bc0a02b682b4b0e777f1874daefad0dc3e33b3ea0afa34f3c3","last_reissued_at":"2026-05-18T04:17:46.020235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:17:46.020235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/0212012","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:17:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1f9AeaZ79xgHLPeczmmuJeraHWZl09f25ryNG8+5RAk97JtwGplTrf5yToHAv5/JBqs1y+bhfZHfOOaBrUTYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:54:44.568893Z"},"content_sha256":"1f386cf5d7ced4d3630fb587be0001975d737bd716feee2bee4bf4c4e1688104","schema_version":"1.0","event_id":"sha256:1f386cf5d7ced4d3630fb587be0001975d737bd716feee2bee4bf4c4e1688104"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:UWCUOR435PD3YCQCW2BLJMHHO7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Numerical techniques for lattice QCD in the $\\epsilon$--regime","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"C. Hoelbling, H. Wittig, L. Giusti, M. L\\\"uscher","submitted_at":"2002-12-06T16:54:21Z","abstract_excerpt":"In lattice QCD it is possible, in principle, to determine the parameters in the effective chiral lagrangian (including weak interaction couplings) by performing numerical simulations in the $\\epsilon$--regime, i.e. at quark masses where the physical extent of the lattice is much smaller than the Compton wave length of the pion. The use of a formulation of the lattice theory that preserves chiral symmetry is attractive in this context, but the numerical implementation of any such approach requires special care in this kinematical situation due to the presence of some very low eigenvalues of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0212012","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":""},"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":"2026-05-18T04:17:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TSU+e/RkqQ4S1WnaAvFXvHDLDNAMs8YJxyd6m9CXio+D7L46QxrtH00FW6znFFQq0e1ba9kbigV4Ox9NI4RUAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:54:44.569611Z"},"content_sha256":"fc963efef61a458e3cccab733dd99fcc8dd6377c5b2494725b84fca47de0c673","schema_version":"1.0","event_id":"sha256:fc963efef61a458e3cccab733dd99fcc8dd6377c5b2494725b84fca47de0c673"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UWCUOR435PD3YCQCW2BLJMHHO7/bundle.json","state_url":"https://pith.science/pith/UWCUOR435PD3YCQCW2BLJMHHO7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UWCUOR435PD3YCQCW2BLJMHHO7/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":"2026-05-26T09:54:44Z","links":{"resolver":"https://pith.science/pith/UWCUOR435PD3YCQCW2BLJMHHO7","bundle":"https://pith.science/pith/UWCUOR435PD3YCQCW2BLJMHHO7/bundle.json","state":"https://pith.science/pith/UWCUOR435PD3YCQCW2BLJMHHO7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UWCUOR435PD3YCQCW2BLJMHHO7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:UWCUOR435PD3YCQCW2BLJMHHO7","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":"20ed4ff62a49ecee5eb8d328c48cbe652d0f8d2d5ab534e9180ab1fa4a7443f1","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2002-12-06T16:54:21Z","title_canon_sha256":"742f502b7d877922bce50749acd1b730741ec670daa8c3c8f18f0f8a5fcab5a1"},"schema_version":"1.0","source":{"id":"hep-lat/0212012","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/0212012","created_at":"2026-05-18T04:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/0212012v1","created_at":"2026-05-18T04:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/0212012","created_at":"2026-05-18T04:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"UWCUOR435PD3","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"UWCUOR435PD3YCQC","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"UWCUOR43","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:fc963efef61a458e3cccab733dd99fcc8dd6377c5b2494725b84fca47de0c673","target":"graph","created_at":"2026-05-18T04:17:46Z","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"},"paper":{"abstract_excerpt":"In lattice QCD it is possible, in principle, to determine the parameters in the effective chiral lagrangian (including weak interaction couplings) by performing numerical simulations in the $\\epsilon$--regime, i.e. at quark masses where the physical extent of the lattice is much smaller than the Compton wave length of the pion. The use of a formulation of the lattice theory that preserves chiral symmetry is attractive in this context, but the numerical implementation of any such approach requires special care in this kinematical situation due to the presence of some very low eigenvalues of the","authors_text":"C. Hoelbling, H. Wittig, L. Giusti, M. L\\\"uscher","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"2002-12-06T16:54:21Z","title":"Numerical techniques for lattice QCD in the $\\epsilon$--regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/0212012","kind":"arxiv","version":1},"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":"sha256:1f386cf5d7ced4d3630fb587be0001975d737bd716feee2bee4bf4c4e1688104","target":"record","created_at":"2026-05-18T04:17:46Z","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":"20ed4ff62a49ecee5eb8d328c48cbe652d0f8d2d5ab534e9180ab1fa4a7443f1","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"2002-12-06T16:54:21Z","title_canon_sha256":"742f502b7d877922bce50749acd1b730741ec670daa8c3c8f18f0f8a5fcab5a1"},"schema_version":"1.0","source":{"id":"hep-lat/0212012","kind":"arxiv","version":1}},"canonical_sha256":"a58547479bebc7bc0a02b682b4b0e777f1874daefad0dc3e33b3ea0afa34f3c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a58547479bebc7bc0a02b682b4b0e777f1874daefad0dc3e33b3ea0afa34f3c3","first_computed_at":"2026-05-18T04:17:46.020235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:17:46.020235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iX6dBMxP9oqWaEYrPDu9EzuDBVYm34dsgnndPu/s88FskI2sZIkb1OvW4uHFzIDJfivZAaCs0soPl+tWZgyDDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:17:46.020640Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/0212012","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f386cf5d7ced4d3630fb587be0001975d737bd716feee2bee4bf4c4e1688104","sha256:fc963efef61a458e3cccab733dd99fcc8dd6377c5b2494725b84fca47de0c673"],"state_sha256":"92e3fb0a6d9e30019b53360184f24db1da782d222657ed5707639a363f8059e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D2hB7rnCFbyTe2FW5aGUnoDcAzqDjYpjQJjoF50uGLK2c0E3oHiLedb/Otjn6p+au1dHHk7JClqGJRVlOkSmAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:54:44.574000Z","bundle_sha256":"b84465a7a77c6528a6fcf0978704a41e67cfb37703adf6edd832794ba360957c"}}