{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:HB76BEKRGJ4DZISZKK2PC4VF4D","short_pith_number":"pith:HB76BEKR","canonical_record":{"source":{"id":"hep-ph/9701221","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-01-06T14:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"202d3507b3aad8e885c0448d0c99e68463c11671093f24871c2a56bd941703a8","abstract_canon_sha256":"7eae510347c4192500626dd75859d97ad60f113a11a061f404943c2eded71e92"},"schema_version":"1.0"},"canonical_sha256":"387fe0915132783ca25952b4f172a5e0eede4729eb18fe68d6c785f664b3d653","source":{"kind":"arxiv","id":"hep-ph/9701221","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9701221","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9701221v1","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9701221","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"HB76BEKRGJ4D","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"HB76BEKRGJ4DZISZ","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"HB76BEKR","created_at":"2026-07-04T16:04:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:HB76BEKRGJ4DZISZKK2PC4VF4D","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9701221","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-01-06T14:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"202d3507b3aad8e885c0448d0c99e68463c11671093f24871c2a56bd941703a8","abstract_canon_sha256":"7eae510347c4192500626dd75859d97ad60f113a11a061f404943c2eded71e92"},"schema_version":"1.0"},"canonical_sha256":"387fe0915132783ca25952b4f172a5e0eede4729eb18fe68d6c785f664b3d653","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:04:50.518513Z","signature_b64":"Qk56atamkU5u0ZvfIkuZH1MV+v1ZidYni/VZj1gMx4jYk2xdhC3nIdpPq+E/LO9JTEjnShMvvT+Ct4J8yaPjAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"387fe0915132783ca25952b4f172a5e0eede4729eb18fe68d6c785f664b3d653","last_reissued_at":"2026-07-04T16:04:50.518165Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:04:50.518165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9701221","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":"2026-07-04T16:04:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nPkofnONE2hYLEUn7VqAqvVGxE6jytoeGdoLibwFSGkWiE8bt/mmrzcGoEOhxaqERvkG4RduSva08Mm35y4KAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T14:10:49.332667Z"},"content_sha256":"e39d0e35225b9e52eec8042ba76d5ff0be4ebd20fa864d96897137180d351b3b","schema_version":"1.0","event_id":"sha256:e39d0e35225b9e52eec8042ba76d5ff0be4ebd20fa864d96897137180d351b3b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:HB76BEKRGJ4DZISZKK2PC4VF4D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A new type of spontaneous CP breaking","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"L. Lavoura","submitted_at":"1997-01-06T14:26:42Z","abstract_excerpt":"I present a new form of spontaneous CP violation in which, in analogy with the left-right-symmetric model, CP breaking results from the inequality of two real vacuum expectation values. In my model there is no scalar-pseudoscalar mixing, and the smallness of strong CP violation finds a natural explanation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9701221","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9701221/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":"2026-07-04T16:04:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4l2rcQ3MO7LNzNTEocopq7+epSw6uEZs9c41VBF7ixbr7nhelgm62qiE3+FmCpce+wBIPUAG34IdEyvftttzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T14:10:49.333428Z"},"content_sha256":"53b98a2757c1ab5d5c2172c655ff7f39c281ab951780d099aea0c2602bd3c424","schema_version":"1.0","event_id":"sha256:53b98a2757c1ab5d5c2172c655ff7f39c281ab951780d099aea0c2602bd3c424"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HB76BEKRGJ4DZISZKK2PC4VF4D/bundle.json","state_url":"https://pith.science/pith/HB76BEKRGJ4DZISZKK2PC4VF4D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HB76BEKRGJ4DZISZKK2PC4VF4D/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":"2026-08-03T14:10:49Z","links":{"resolver":"https://pith.science/pith/HB76BEKRGJ4DZISZKK2PC4VF4D","bundle":"https://pith.science/pith/HB76BEKRGJ4DZISZKK2PC4VF4D/bundle.json","state":"https://pith.science/pith/HB76BEKRGJ4DZISZKK2PC4VF4D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HB76BEKRGJ4DZISZKK2PC4VF4D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:HB76BEKRGJ4DZISZKK2PC4VF4D","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":"7eae510347c4192500626dd75859d97ad60f113a11a061f404943c2eded71e92","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-01-06T14:26:42Z","title_canon_sha256":"202d3507b3aad8e885c0448d0c99e68463c11671093f24871c2a56bd941703a8"},"schema_version":"1.0","source":{"id":"hep-ph/9701221","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9701221","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9701221v1","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9701221","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"HB76BEKRGJ4D","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"HB76BEKRGJ4DZISZ","created_at":"2026-07-04T16:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"HB76BEKR","created_at":"2026-07-04T16:04:50Z"}],"graph_snapshots":[{"event_id":"sha256:53b98a2757c1ab5d5c2172c655ff7f39c281ab951780d099aea0c2602bd3c424","target":"graph","created_at":"2026-07-04T16:04:50Z","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-ph/9701221/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"I present a new form of spontaneous CP violation in which, in analogy with the left-right-symmetric model, CP breaking results from the inequality of two real vacuum expectation values. In my model there is no scalar-pseudoscalar mixing, and the smallness of strong CP violation finds a natural explanation.","authors_text":"L. Lavoura","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-01-06T14:26:42Z","title":"A new type of spontaneous CP breaking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9701221","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:e39d0e35225b9e52eec8042ba76d5ff0be4ebd20fa864d96897137180d351b3b","target":"record","created_at":"2026-07-04T16:04:50Z","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":"7eae510347c4192500626dd75859d97ad60f113a11a061f404943c2eded71e92","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-01-06T14:26:42Z","title_canon_sha256":"202d3507b3aad8e885c0448d0c99e68463c11671093f24871c2a56bd941703a8"},"schema_version":"1.0","source":{"id":"hep-ph/9701221","kind":"arxiv","version":1}},"canonical_sha256":"387fe0915132783ca25952b4f172a5e0eede4729eb18fe68d6c785f664b3d653","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"387fe0915132783ca25952b4f172a5e0eede4729eb18fe68d6c785f664b3d653","first_computed_at":"2026-07-04T16:04:50.518165Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:04:50.518165Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qk56atamkU5u0ZvfIkuZH1MV+v1ZidYni/VZj1gMx4jYk2xdhC3nIdpPq+E/LO9JTEjnShMvvT+Ct4J8yaPjAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:04:50.518513Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9701221","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e39d0e35225b9e52eec8042ba76d5ff0be4ebd20fa864d96897137180d351b3b","sha256:53b98a2757c1ab5d5c2172c655ff7f39c281ab951780d099aea0c2602bd3c424"],"state_sha256":"76f702c31dc2cc46f67c614c34a4323da1bb0a6ae179ab304bc6fe2dd11dc2e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MPVyzRXCSg7WBzTa3L5x6VbHGI0WYLEFo/rsUgLbU7FscWfZgK24/uS3ydfl2r2xW7viunCVPwOYUq8PWa9bAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T14:10:49.341250Z","bundle_sha256":"5a13ced4b15fa4e6722e81e8312d3cc623613a4a5243edb6eb0021c1e9ae273b"}}