{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:LBVQWNCR3MQXLMRVMMGZCNGFKQ","short_pith_number":"pith:LBVQWNCR","canonical_record":{"source":{"id":"hep-ex/0005004","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2000-05-03T06:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"f043f95165e13e3395ac22126d2666d9b6cdd9419998f088614a2f2cd1c3dd61","abstract_canon_sha256":"4a6febd393d0fe40b92ed0340beba33070986d990de56890a758a3365d66d399"},"schema_version":"1.0"},"canonical_sha256":"586b0b3451db2175b235630d9134c5542d4bdd3024221bd36079c7d504f3a580","source":{"kind":"arxiv","id":"hep-ex/0005004","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0005004","created_at":"2026-05-18T00:57:19Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0005004v1","created_at":"2026-05-18T00:57:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0005004","created_at":"2026-05-18T00:57:19Z"},{"alias_kind":"pith_short_12","alias_value":"LBVQWNCR3MQX","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"LBVQWNCR3MQXLMRV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"LBVQWNCR","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:LBVQWNCR3MQXLMRVMMGZCNGFKQ","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0005004","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2000-05-03T06:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"f043f95165e13e3395ac22126d2666d9b6cdd9419998f088614a2f2cd1c3dd61","abstract_canon_sha256":"4a6febd393d0fe40b92ed0340beba33070986d990de56890a758a3365d66d399"},"schema_version":"1.0"},"canonical_sha256":"586b0b3451db2175b235630d9134c5542d4bdd3024221bd36079c7d504f3a580","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:19.650475Z","signature_b64":"KeXE09numBdC/gIRcsfjMIO2drdtKH89Rn9GMac/9s8relUARHVp9ys0XzPJHB4eHJT0fgoRK7uJX77zsJehCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"586b0b3451db2175b235630d9134c5542d4bdd3024221bd36079c7d504f3a580","last_reissued_at":"2026-05-18T00:57:19.649916Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:19.649916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0005004","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":"2026-05-18T00:57:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"51OCkc73ElS3GJFONPY6l58RL4S+fnLPnlFe+E/KmBqfaMzza8MkXVBsRF4fmBu0nIizwe4eiAwy+z+IqIY5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:16:41.612443Z"},"content_sha256":"69c7333c15b4975583641b5b2c62989f6c86ce38e238210695b63ecbe1941db5","schema_version":"1.0","event_id":"sha256:69c7333c15b4975583641b5b2c62989f6c86ce38e238210695b63ecbe1941db5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:LBVQWNCR3MQXLMRVMMGZCNGFKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Examining CP Symmetry in Strange Baryon Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Berkeley, K. B. Luk (U. of California, Lawrence Berkeley National Laboratory)","submitted_at":"2000-05-03T06:49:44Z","abstract_excerpt":"Non-conservation of CP symmetry can manisfest itself in non-leptonic hyperon decays as a difference in the decay parameter between the strange-baryon decay and its charge conjugate. By comparing the decay distribution in the $\\Lambda$ helicity frame for the decay sequence $\\Xi^{-} \\to \\Lambda \\pi^{-}$, $\\Lambda \\to p \\pi^{-}$ with that of $\\bar{\\Xi}^{+}$ decay, E756 at Fermilab did not observe any CP-odd effect at the $10^{-2}$ level. The status of a follow-up experiment, HyperCP (FNAL E871), to search for CP violation in charged $\\Xi-\\Lambda$ decay with a sensitivity of $10^{-4}$ is also pres"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0005004","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":"2026-05-18T00:57:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"blfDKj0g83ywJ7hwJuLc+vhIoU92v5sw8+twkUPdSCiD4Q7cpRuuihqCMTjpmHuwjPPbFqWPHpZ5sY8xTLvnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T14:16:41.612903Z"},"content_sha256":"4d9c2de6918d2763fbb21e981e2cd6ff5624ae580b56ed71a710707cead48439","schema_version":"1.0","event_id":"sha256:4d9c2de6918d2763fbb21e981e2cd6ff5624ae580b56ed71a710707cead48439"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ/bundle.json","state_url":"https://pith.science/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ/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":"2026-06-06T14:16:41Z","links":{"resolver":"https://pith.science/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ","bundle":"https://pith.science/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ/bundle.json","state":"https://pith.science/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LBVQWNCR3MQXLMRVMMGZCNGFKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:LBVQWNCR3MQXLMRVMMGZCNGFKQ","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":"4a6febd393d0fe40b92ed0340beba33070986d990de56890a758a3365d66d399","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2000-05-03T06:49:44Z","title_canon_sha256":"f043f95165e13e3395ac22126d2666d9b6cdd9419998f088614a2f2cd1c3dd61"},"schema_version":"1.0","source":{"id":"hep-ex/0005004","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0005004","created_at":"2026-05-18T00:57:19Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0005004v1","created_at":"2026-05-18T00:57:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0005004","created_at":"2026-05-18T00:57:19Z"},{"alias_kind":"pith_short_12","alias_value":"LBVQWNCR3MQX","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"LBVQWNCR3MQXLMRV","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"LBVQWNCR","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:4d9c2de6918d2763fbb21e981e2cd6ff5624ae580b56ed71a710707cead48439","target":"graph","created_at":"2026-05-18T00:57:19Z","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":"Non-conservation of CP symmetry can manisfest itself in non-leptonic hyperon decays as a difference in the decay parameter between the strange-baryon decay and its charge conjugate. By comparing the decay distribution in the $\\Lambda$ helicity frame for the decay sequence $\\Xi^{-} \\to \\Lambda \\pi^{-}$, $\\Lambda \\to p \\pi^{-}$ with that of $\\bar{\\Xi}^{+}$ decay, E756 at Fermilab did not observe any CP-odd effect at the $10^{-2}$ level. The status of a follow-up experiment, HyperCP (FNAL E871), to search for CP violation in charged $\\Xi-\\Lambda$ decay with a sensitivity of $10^{-4}$ is also pres","authors_text":"Berkeley, K. B. Luk (U. of California, Lawrence Berkeley National Laboratory)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2000-05-03T06:49:44Z","title":"Examining CP Symmetry in Strange Baryon Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0005004","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":"sha256:69c7333c15b4975583641b5b2c62989f6c86ce38e238210695b63ecbe1941db5","target":"record","created_at":"2026-05-18T00:57:19Z","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":"4a6febd393d0fe40b92ed0340beba33070986d990de56890a758a3365d66d399","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2000-05-03T06:49:44Z","title_canon_sha256":"f043f95165e13e3395ac22126d2666d9b6cdd9419998f088614a2f2cd1c3dd61"},"schema_version":"1.0","source":{"id":"hep-ex/0005004","kind":"arxiv","version":1}},"canonical_sha256":"586b0b3451db2175b235630d9134c5542d4bdd3024221bd36079c7d504f3a580","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"586b0b3451db2175b235630d9134c5542d4bdd3024221bd36079c7d504f3a580","first_computed_at":"2026-05-18T00:57:19.649916Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:19.649916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KeXE09numBdC/gIRcsfjMIO2drdtKH89Rn9GMac/9s8relUARHVp9ys0XzPJHB4eHJT0fgoRK7uJX77zsJehCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:19.650475Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0005004","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69c7333c15b4975583641b5b2c62989f6c86ce38e238210695b63ecbe1941db5","sha256:4d9c2de6918d2763fbb21e981e2cd6ff5624ae580b56ed71a710707cead48439"],"state_sha256":"521ebfe97d13e064fef114b97c23e28d2563926212bb1f028ca67ea17c454a3e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VMfPrBrHqF4+UvFKkyHUWwI0Hud1lXMebHle6FYLascSe9d7TottG40a8PMmjmrHKmaoboNpwZ2XzU2V5hFTAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T14:16:41.615510Z","bundle_sha256":"eb8ae1358bad2470d63e96799e7cc56212ea2c4a04f4b6914c68d240bf5cb944"}}