{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:PEAPZK5ESJLVZ7MAIN52QWVCJM","short_pith_number":"pith:PEAPZK5E","canonical_record":{"source":{"id":"hep-ph/0104181","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-04-18T16:08:26Z","cross_cats_sorted":[],"title_canon_sha256":"a0e3fbaf60c270a95273fbbcb7b2b08cef79162b1d274050a43bcfd217f8d998","abstract_canon_sha256":"9054f52056d7e88265c6af44545866be2f80e467359be4f0253ac0361d4468b3"},"schema_version":"1.0"},"canonical_sha256":"7900fcaba492575cfd80437ba85aa24b062328e621f81dff1b924cabf2aaea88","source":{"kind":"arxiv","id":"hep-ph/0104181","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0104181","created_at":"2026-05-18T02:36:47Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0104181v1","created_at":"2026-05-18T02:36:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0104181","created_at":"2026-05-18T02:36:47Z"},{"alias_kind":"pith_short_12","alias_value":"PEAPZK5ESJLV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"PEAPZK5ESJLVZ7MA","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"PEAPZK5E","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:PEAPZK5ESJLVZ7MAIN52QWVCJM","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0104181","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-04-18T16:08:26Z","cross_cats_sorted":[],"title_canon_sha256":"a0e3fbaf60c270a95273fbbcb7b2b08cef79162b1d274050a43bcfd217f8d998","abstract_canon_sha256":"9054f52056d7e88265c6af44545866be2f80e467359be4f0253ac0361d4468b3"},"schema_version":"1.0"},"canonical_sha256":"7900fcaba492575cfd80437ba85aa24b062328e621f81dff1b924cabf2aaea88","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:47.613276Z","signature_b64":"bRg80S2EbTSsS2crf/t1mByyJzqKJhBgR7Y+wAj0JXAyDEJS3pJrMvKkUCRl1zizk4cff+xX9mO/zHI9orFEAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7900fcaba492575cfd80437ba85aa24b062328e621f81dff1b924cabf2aaea88","last_reissued_at":"2026-05-18T02:36:47.612788Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:47.612788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0104181","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":"2026-05-18T02:36:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6a2hAvuXdPn0EzDgZkNhkyFS/+pM5AICq3B8cUNsy7c1HNfYOy5dkWWHd+CG/n6NKJ0K3ZPQSDIZB0ZEfmp9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:32:09.406964Z"},"content_sha256":"a439bac65c0aef7eb9c907a3e302e557113d406775cf74861328e27affed7fa5","schema_version":"1.0","event_id":"sha256:a439bac65c0aef7eb9c907a3e302e557113d406775cf74861328e27affed7fa5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:PEAPZK5ESJLVZ7MAIN52QWVCJM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quark Mass Matrices from a Softly Broken U(1) Symmetry","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ernest Ma (UC Riverside)","submitted_at":"2001-04-18T16:08:26Z","abstract_excerpt":"Assigning U(1) charges to the quarks of the standard model, and allowing one extra scalar doublet with m^2 > 0, the correct pattern of the up and down quark mass matrices is obtained, together with their charged-current mixing matrix."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0104181","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":"2026-05-18T02:36:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PC7mCFSR4zKHH7bDZZ3uJ8+q/AI4Zs3X7udUFf2AQJSgf63qnBPB+7CAvrTaWhY/P0a5jCUQlQ3J/2oolFDMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:32:09.407308Z"},"content_sha256":"43d6850474be89ed364dcd86fd5573b5509ef4b1ef99a98501b2dee78c6349ea","schema_version":"1.0","event_id":"sha256:43d6850474be89ed364dcd86fd5573b5509ef4b1ef99a98501b2dee78c6349ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM/bundle.json","state_url":"https://pith.science/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM/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":"2026-05-28T01:32:09Z","links":{"resolver":"https://pith.science/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM","bundle":"https://pith.science/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM/bundle.json","state":"https://pith.science/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PEAPZK5ESJLVZ7MAIN52QWVCJM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:PEAPZK5ESJLVZ7MAIN52QWVCJM","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":"9054f52056d7e88265c6af44545866be2f80e467359be4f0253ac0361d4468b3","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2001-04-18T16:08:26Z","title_canon_sha256":"a0e3fbaf60c270a95273fbbcb7b2b08cef79162b1d274050a43bcfd217f8d998"},"schema_version":"1.0","source":{"id":"hep-ph/0104181","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0104181","created_at":"2026-05-18T02:36:47Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0104181v1","created_at":"2026-05-18T02:36:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0104181","created_at":"2026-05-18T02:36:47Z"},{"alias_kind":"pith_short_12","alias_value":"PEAPZK5ESJLV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"PEAPZK5ESJLVZ7MA","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"PEAPZK5E","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:43d6850474be89ed364dcd86fd5573b5509ef4b1ef99a98501b2dee78c6349ea","target":"graph","created_at":"2026-05-18T02:36:47Z","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":"Assigning U(1) charges to the quarks of the standard model, and allowing one extra scalar doublet with m^2 > 0, the correct pattern of the up and down quark mass matrices is obtained, together with their charged-current mixing matrix.","authors_text":"Ernest Ma (UC Riverside)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2001-04-18T16:08:26Z","title":"Quark Mass Matrices from a Softly Broken U(1) Symmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0104181","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:a439bac65c0aef7eb9c907a3e302e557113d406775cf74861328e27affed7fa5","target":"record","created_at":"2026-05-18T02:36:47Z","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":"9054f52056d7e88265c6af44545866be2f80e467359be4f0253ac0361d4468b3","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2001-04-18T16:08:26Z","title_canon_sha256":"a0e3fbaf60c270a95273fbbcb7b2b08cef79162b1d274050a43bcfd217f8d998"},"schema_version":"1.0","source":{"id":"hep-ph/0104181","kind":"arxiv","version":1}},"canonical_sha256":"7900fcaba492575cfd80437ba85aa24b062328e621f81dff1b924cabf2aaea88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7900fcaba492575cfd80437ba85aa24b062328e621f81dff1b924cabf2aaea88","first_computed_at":"2026-05-18T02:36:47.612788Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:47.612788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bRg80S2EbTSsS2crf/t1mByyJzqKJhBgR7Y+wAj0JXAyDEJS3pJrMvKkUCRl1zizk4cff+xX9mO/zHI9orFEAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:47.613276Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0104181","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a439bac65c0aef7eb9c907a3e302e557113d406775cf74861328e27affed7fa5","sha256:43d6850474be89ed364dcd86fd5573b5509ef4b1ef99a98501b2dee78c6349ea"],"state_sha256":"64ec05d887dcb8ceacdd6d132c5e909a1cab5e03c6f2c9d7965d238576e6fd9b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vCwMvhgFhMvVszDVryv+PUYIdNgABgBGEuZo71fRZmVzsYyehd07/xGBP5/kfB1XW2qxJNrpfNMsL2F9wCjDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:32:09.409271Z","bundle_sha256":"6cedb3b20110701429d7572ff0575409c895782570e3e4102692274fb743a6c4"}}