{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:OGLUSUDCZREUOHL2VAR6L3CVX5","short_pith_number":"pith:OGLUSUDC","canonical_record":{"source":{"id":"hep-lat/9702015","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1997-02-14T00:20:41Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5fcb35ee8fc236842033ba31d2acd9290f2e499f9741026ced2732fcfee080a9","abstract_canon_sha256":"04ccd27e6ddf41da0a24a10bd4f03f5efafee94dd514e6219c028c670f1d25aa"},"schema_version":"1.0"},"canonical_sha256":"7197495062cc49471d7aa823e5ec55bf45314c7609dff64fd1511f5fa5fc7a78","source":{"kind":"arxiv","id":"hep-lat/9702015","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9702015","created_at":"2026-05-18T01:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9702015v2","created_at":"2026-05-18T01:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9702015","created_at":"2026-05-18T01:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"OGLUSUDCZREU","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"OGLUSUDCZREUOHL2","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"OGLUSUDC","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:OGLUSUDCZREUOHL2VAR6L3CVX5","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/9702015","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1997-02-14T00:20:41Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"5fcb35ee8fc236842033ba31d2acd9290f2e499f9741026ced2732fcfee080a9","abstract_canon_sha256":"04ccd27e6ddf41da0a24a10bd4f03f5efafee94dd514e6219c028c670f1d25aa"},"schema_version":"1.0"},"canonical_sha256":"7197495062cc49471d7aa823e5ec55bf45314c7609dff64fd1511f5fa5fc7a78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:06.168472Z","signature_b64":"eEeeTT8qiI/o0IRGsZB8wsjAECitCr6KmnUD5BFqHyT4tK2rOUKoJEC2YQR8KeVYYcbdWjSx5gou+yJqNQr7Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7197495062cc49471d7aa823e5ec55bf45314c7609dff64fd1511f5fa5fc7a78","last_reissued_at":"2026-05-18T01:08:06.167982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:06.167982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/9702015","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":"2026-05-18T01:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kf7M0mLo75F2n6ZgqI1vINl8AV8Bz3mXrgjsH3epj4ha/pbSf5WYkrsUsVVWF4w/2C5CWSjK1tOARc2NoT7mDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T04:25:39.024490Z"},"content_sha256":"9edb16dfdb440f12ac28b37083b28874a4780e867614274889323145d6382741","schema_version":"1.0","event_id":"sha256:9edb16dfdb440f12ac28b37083b28874a4780e867614274889323145d6382741"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:OGLUSUDCZREUOHL2VAR6L3CVX5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral perturbation theory for K+ to pi+ pi0 decay in the continuum and on the lattice","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Ka Chun Leung, Maarten Golterman","submitted_at":"1997-02-14T00:20:41Z","abstract_excerpt":"In this paper we use one-loop chiral perturbation theory in order to compare lattice computations of the K+ to pi+ pi0 decay amplitude with the experimental value. This makes it possible to investigate three systematic effects that plague lattice computations: quenching, finite-volume effects, and the fact that lattice computations have been done at unphysical values of the quark masses and pion external momenta (only this latter effect shows up at tree level). We apply our results to the most recent lattice computation, and find that all three effects are substantial. We conclude that one-loo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9702015","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":""},"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":"2026-05-18T01:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZoiXOzPv+6j1QDKGu6AF7f1RwAadhbDAwS53Ymc4ROGQjzWemgR+9e1bSEalObiE+QXsy4an4dSYPfZdoWOxAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T04:25:39.025171Z"},"content_sha256":"4819903359693cd3db32dfc2fa7dc1fd74c630b1459ec4d3dc7ea6ec3970e930","schema_version":"1.0","event_id":"sha256:4819903359693cd3db32dfc2fa7dc1fd74c630b1459ec4d3dc7ea6ec3970e930"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OGLUSUDCZREUOHL2VAR6L3CVX5/bundle.json","state_url":"https://pith.science/pith/OGLUSUDCZREUOHL2VAR6L3CVX5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OGLUSUDCZREUOHL2VAR6L3CVX5/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":"2026-05-24T04:25:39Z","links":{"resolver":"https://pith.science/pith/OGLUSUDCZREUOHL2VAR6L3CVX5","bundle":"https://pith.science/pith/OGLUSUDCZREUOHL2VAR6L3CVX5/bundle.json","state":"https://pith.science/pith/OGLUSUDCZREUOHL2VAR6L3CVX5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OGLUSUDCZREUOHL2VAR6L3CVX5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:OGLUSUDCZREUOHL2VAR6L3CVX5","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":"04ccd27e6ddf41da0a24a10bd4f03f5efafee94dd514e6219c028c670f1d25aa","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"hep-lat","submitted_at":"1997-02-14T00:20:41Z","title_canon_sha256":"5fcb35ee8fc236842033ba31d2acd9290f2e499f9741026ced2732fcfee080a9"},"schema_version":"1.0","source":{"id":"hep-lat/9702015","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9702015","created_at":"2026-05-18T01:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9702015v2","created_at":"2026-05-18T01:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9702015","created_at":"2026-05-18T01:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"OGLUSUDCZREU","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"OGLUSUDCZREUOHL2","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"OGLUSUDC","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:4819903359693cd3db32dfc2fa7dc1fd74c630b1459ec4d3dc7ea6ec3970e930","target":"graph","created_at":"2026-05-18T01:08:06Z","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 this paper we use one-loop chiral perturbation theory in order to compare lattice computations of the K+ to pi+ pi0 decay amplitude with the experimental value. This makes it possible to investigate three systematic effects that plague lattice computations: quenching, finite-volume effects, and the fact that lattice computations have been done at unphysical values of the quark masses and pion external momenta (only this latter effect shows up at tree level). We apply our results to the most recent lattice computation, and find that all three effects are substantial. We conclude that one-loo","authors_text":"Ka Chun Leung, Maarten Golterman","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"1997-02-14T00:20:41Z","title":"Chiral perturbation theory for K+ to pi+ pi0 decay in the continuum and on the lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9702015","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":"sha256:9edb16dfdb440f12ac28b37083b28874a4780e867614274889323145d6382741","target":"record","created_at":"2026-05-18T01:08:06Z","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":"04ccd27e6ddf41da0a24a10bd4f03f5efafee94dd514e6219c028c670f1d25aa","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"hep-lat","submitted_at":"1997-02-14T00:20:41Z","title_canon_sha256":"5fcb35ee8fc236842033ba31d2acd9290f2e499f9741026ced2732fcfee080a9"},"schema_version":"1.0","source":{"id":"hep-lat/9702015","kind":"arxiv","version":2}},"canonical_sha256":"7197495062cc49471d7aa823e5ec55bf45314c7609dff64fd1511f5fa5fc7a78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7197495062cc49471d7aa823e5ec55bf45314c7609dff64fd1511f5fa5fc7a78","first_computed_at":"2026-05-18T01:08:06.167982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:06.167982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eEeeTT8qiI/o0IRGsZB8wsjAECitCr6KmnUD5BFqHyT4tK2rOUKoJEC2YQR8KeVYYcbdWjSx5gou+yJqNQr7Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:06.168472Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/9702015","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9edb16dfdb440f12ac28b37083b28874a4780e867614274889323145d6382741","sha256:4819903359693cd3db32dfc2fa7dc1fd74c630b1459ec4d3dc7ea6ec3970e930"],"state_sha256":"58b5c82a5ae464ef52e7827522b7fd47407d83e5ff8a5daddf678e59111943f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NuaUMnp0yeDOQh39XFeg+hhqNRQigtxSQLVoqokwdqnNDum8Bx4LdjRNtsxAhyWe1RZlkK/dNZ470E4baN4cBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T04:25:39.028829Z","bundle_sha256":"fbf4a203a8a347b07a9adada7b6cefc338cae131ebd75b8569840c787938ab2d"}}