{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:A2SAYDO5KYSVRWCKMLTXTOILOL","short_pith_number":"pith:A2SAYDO5","canonical_record":{"source":{"id":"hep-ph/0204181","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-04-16T09:38:53Z","cross_cats_sorted":["hep-th","nucl-th"],"title_canon_sha256":"6b86b38496e7841ea804584b315a8454cc3786c2aea286cd256e67c7bd053252","abstract_canon_sha256":"10f171a2cae71315670e42d071e663e7fbdb6a93374475ea3e3d531c93cbcc09"},"schema_version":"1.0"},"canonical_sha256":"06a40c0ddd562558d84a62e779b90b72f9d269ac66f1d692fd5a83039b6cec72","source":{"kind":"arxiv","id":"hep-ph/0204181","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0204181","created_at":"2026-05-18T00:36:56Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0204181v2","created_at":"2026-05-18T00:36:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0204181","created_at":"2026-05-18T00:36:56Z"},{"alias_kind":"pith_short_12","alias_value":"A2SAYDO5KYSV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"A2SAYDO5KYSVRWCK","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"A2SAYDO5","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:A2SAYDO5KYSVRWCKMLTXTOILOL","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0204181","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-04-16T09:38:53Z","cross_cats_sorted":["hep-th","nucl-th"],"title_canon_sha256":"6b86b38496e7841ea804584b315a8454cc3786c2aea286cd256e67c7bd053252","abstract_canon_sha256":"10f171a2cae71315670e42d071e663e7fbdb6a93374475ea3e3d531c93cbcc09"},"schema_version":"1.0"},"canonical_sha256":"06a40c0ddd562558d84a62e779b90b72f9d269ac66f1d692fd5a83039b6cec72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:56.940487Z","signature_b64":"HKeuzvISGljafg3yWe10cik40HuKSFZ8dJktshYRnC2Nb64f/VBONLrIYb5oorwH4UtYFqWXCo4Z4zKL6ZPhDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06a40c0ddd562558d84a62e779b90b72f9d269ac66f1d692fd5a83039b6cec72","last_reissued_at":"2026-05-18T00:36:56.940011Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:56.940011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0204181","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":"2026-05-18T00:36:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nCypeyFdROXnSOp62m4oSJF6RmhV583XkjP/bV0VPLR1HSlVM18WTJk1ij2wWl2Ib0PsciVdf1PlaxMnAyizCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:33:29.133349Z"},"content_sha256":"985d26f237712682f55027368081c41294fad3a2f51e6b35716837241392a91d","schema_version":"1.0","event_id":"sha256:985d26f237712682f55027368081c41294fad3a2f51e6b35716837241392a91d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:A2SAYDO5KYSVRWCKMLTXTOILOL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electroweak matrix elements at large Nc: matching quarks to mesons","license":"","headline":"","cross_cats":["hep-th","nucl-th"],"primary_cat":"hep-ph","authors_text":"Barcelona), IFAE, S. Peris (UAB","submitted_at":"2002-04-16T09:38:53Z","abstract_excerpt":"I review some progress made on the problem of calculating electroweak processes of mesons at low energy with the use of an approximation to large-Nc QCD which we call the Minimal Hadronic Approximation. An update of results for the matrix elements of the electroweak penguin operators Q7 and Q8 is also given."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0204181","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":"2026-05-18T00:36:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i3j2ayRKXNoZxnk3/WvRJf3HV7lr8qtsj/GKng7kJ8JnpTiAceqPZXlUk+jtO5uecPzvHj5Mf9jW4IYWVEeADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:33:29.134042Z"},"content_sha256":"97fb058357333539d5278845a3a4a09bc3b1d4b144b3310bced16ff88ca2cd11","schema_version":"1.0","event_id":"sha256:97fb058357333539d5278845a3a4a09bc3b1d4b144b3310bced16ff88ca2cd11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A2SAYDO5KYSVRWCKMLTXTOILOL/bundle.json","state_url":"https://pith.science/pith/A2SAYDO5KYSVRWCKMLTXTOILOL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A2SAYDO5KYSVRWCKMLTXTOILOL/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":"2026-05-27T15:33:29Z","links":{"resolver":"https://pith.science/pith/A2SAYDO5KYSVRWCKMLTXTOILOL","bundle":"https://pith.science/pith/A2SAYDO5KYSVRWCKMLTXTOILOL/bundle.json","state":"https://pith.science/pith/A2SAYDO5KYSVRWCKMLTXTOILOL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A2SAYDO5KYSVRWCKMLTXTOILOL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:A2SAYDO5KYSVRWCKMLTXTOILOL","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":"10f171a2cae71315670e42d071e663e7fbdb6a93374475ea3e3d531c93cbcc09","cross_cats_sorted":["hep-th","nucl-th"],"license":"","primary_cat":"hep-ph","submitted_at":"2002-04-16T09:38:53Z","title_canon_sha256":"6b86b38496e7841ea804584b315a8454cc3786c2aea286cd256e67c7bd053252"},"schema_version":"1.0","source":{"id":"hep-ph/0204181","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0204181","created_at":"2026-05-18T00:36:56Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0204181v2","created_at":"2026-05-18T00:36:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0204181","created_at":"2026-05-18T00:36:56Z"},{"alias_kind":"pith_short_12","alias_value":"A2SAYDO5KYSV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"A2SAYDO5KYSVRWCK","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"A2SAYDO5","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:97fb058357333539d5278845a3a4a09bc3b1d4b144b3310bced16ff88ca2cd11","target":"graph","created_at":"2026-05-18T00:36:56Z","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":"I review some progress made on the problem of calculating electroweak processes of mesons at low energy with the use of an approximation to large-Nc QCD which we call the Minimal Hadronic Approximation. An update of results for the matrix elements of the electroweak penguin operators Q7 and Q8 is also given.","authors_text":"Barcelona), IFAE, S. Peris (UAB","cross_cats":["hep-th","nucl-th"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2002-04-16T09:38:53Z","title":"Electroweak matrix elements at large Nc: matching quarks to mesons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0204181","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":"sha256:985d26f237712682f55027368081c41294fad3a2f51e6b35716837241392a91d","target":"record","created_at":"2026-05-18T00:36:56Z","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":"10f171a2cae71315670e42d071e663e7fbdb6a93374475ea3e3d531c93cbcc09","cross_cats_sorted":["hep-th","nucl-th"],"license":"","primary_cat":"hep-ph","submitted_at":"2002-04-16T09:38:53Z","title_canon_sha256":"6b86b38496e7841ea804584b315a8454cc3786c2aea286cd256e67c7bd053252"},"schema_version":"1.0","source":{"id":"hep-ph/0204181","kind":"arxiv","version":2}},"canonical_sha256":"06a40c0ddd562558d84a62e779b90b72f9d269ac66f1d692fd5a83039b6cec72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06a40c0ddd562558d84a62e779b90b72f9d269ac66f1d692fd5a83039b6cec72","first_computed_at":"2026-05-18T00:36:56.940011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:56.940011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HKeuzvISGljafg3yWe10cik40HuKSFZ8dJktshYRnC2Nb64f/VBONLrIYb5oorwH4UtYFqWXCo4Z4zKL6ZPhDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:56.940487Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0204181","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:985d26f237712682f55027368081c41294fad3a2f51e6b35716837241392a91d","sha256:97fb058357333539d5278845a3a4a09bc3b1d4b144b3310bced16ff88ca2cd11"],"state_sha256":"f4f6d96056843c179f71397c34b376106ac594cd8fc6394a11889963497690c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dbYQEBDA1Ac1tEw5zOnVhlxZrm7OB5FtNlKalqnzkqIZmrLAw83Cw4CcE31pEexODS+8dwn7ZCwCHKTSMhYACA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:33:29.137518Z","bundle_sha256":"2e7e12edda50c1c4558b2cbdb8438ce94adef1499c5347b3cb4ea47b805917bf"}}