{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ZLUZAYQ7INMW67GFHQPQQKNY2E","short_pith_number":"pith:ZLUZAYQ7","canonical_record":{"source":{"id":"1402.1023","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-05T12:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"1121c58e33d757be83dc2993160d911a3f57ad85247dbf482be338ebd9f35805","abstract_canon_sha256":"121468b3f5ecf1af59737944bdf2e30fb34eb698011d3d4e9f2071eddaa676a1"},"schema_version":"1.0"},"canonical_sha256":"cae990621f43596f7cc53c1f0829b8d1029258da4fff1d4e2444aa47a477f3fa","source":{"kind":"arxiv","id":"1402.1023","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1023","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1023v2","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1023","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"ZLUZAYQ7INMW","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZLUZAYQ7INMW67GF","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZLUZAYQ7","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ZLUZAYQ7INMW67GFHQPQQKNY2E","target":"record","payload":{"canonical_record":{"source":{"id":"1402.1023","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-05T12:06:16Z","cross_cats_sorted":[],"title_canon_sha256":"1121c58e33d757be83dc2993160d911a3f57ad85247dbf482be338ebd9f35805","abstract_canon_sha256":"121468b3f5ecf1af59737944bdf2e30fb34eb698011d3d4e9f2071eddaa676a1"},"schema_version":"1.0"},"canonical_sha256":"cae990621f43596f7cc53c1f0829b8d1029258da4fff1d4e2444aa47a477f3fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:48.042351Z","signature_b64":"duAHDiHxzHs24Odo/Y4w0bqFLoeI0W4go7gtHIkuKOqq3Z0aFKyEHYaW4WabiU1dNDHORv7bSnO2WtPnf/0zDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cae990621f43596f7cc53c1f0829b8d1029258da4fff1d4e2444aa47a477f3fa","last_reissued_at":"2026-05-18T01:18:48.041864Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:48.041864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.1023","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":"2026-05-18T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hH02IagWJocnH6eL59+7Wi2aui08/mVLfpaQPCZYKF8v4iOim8q2Dcw5DRLidAYfqrLM+70KJc+J5ymGUI+YBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:38:35.812778Z"},"content_sha256":"9b823ca3d99c64aca1a01e12b934004e99f14b536ba6d6cb3f9362c1166c4b98","schema_version":"1.0","event_id":"sha256:9b823ca3d99c64aca1a01e12b934004e99f14b536ba6d6cb3f9362c1166c4b98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ZLUZAYQ7INMW67GFHQPQQKNY2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flavor signatures of isosinglet vector-like down quark model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Ashutosh Kumar Alok, Dinesh Kumar, Subhashish Banerjee, S. Uma Sankar","submitted_at":"2014-02-05T12:06:16Z","abstract_excerpt":"We consider a model where the standard model is extended by the addition of a vector-like isosinglet down-type quark b'. We perform a chi square fit to the flavor physics data and obtain the preferred central values along with errors of all the elements of the measurable 3 X 4 quark mixing matrix. The fit indicates that all the new-physics parameters are consistent with zero and the mixing of the b' quark with the other three is constrained to be small. The current flavor physics data rules out possibility of detectable new physics signals in most of the flavor physics observables. We also inv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1023","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":"2026-05-18T01:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4sKdYlQg3MbAo8rOUc9PzmuZlVtGrXP99r8eDQEXxeHx4dr1j4AVPsQ1Tp9RzMCkLqiLctS5ZHINS4Logn5uAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:38:35.813287Z"},"content_sha256":"cd760e2d21468d844a3f87288a4bbf30a011097a3e171112c3f95f05670db0d6","schema_version":"1.0","event_id":"sha256:cd760e2d21468d844a3f87288a4bbf30a011097a3e171112c3f95f05670db0d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E/bundle.json","state_url":"https://pith.science/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E/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":"2026-05-26T19:38:35Z","links":{"resolver":"https://pith.science/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E","bundle":"https://pith.science/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E/bundle.json","state":"https://pith.science/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZLUZAYQ7INMW67GFHQPQQKNY2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ZLUZAYQ7INMW67GFHQPQQKNY2E","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":"121468b3f5ecf1af59737944bdf2e30fb34eb698011d3d4e9f2071eddaa676a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-05T12:06:16Z","title_canon_sha256":"1121c58e33d757be83dc2993160d911a3f57ad85247dbf482be338ebd9f35805"},"schema_version":"1.0","source":{"id":"1402.1023","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1023","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1023v2","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1023","created_at":"2026-05-18T01:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"ZLUZAYQ7INMW","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZLUZAYQ7INMW67GF","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZLUZAYQ7","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:cd760e2d21468d844a3f87288a4bbf30a011097a3e171112c3f95f05670db0d6","target":"graph","created_at":"2026-05-18T01:18:48Z","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":"We consider a model where the standard model is extended by the addition of a vector-like isosinglet down-type quark b'. We perform a chi square fit to the flavor physics data and obtain the preferred central values along with errors of all the elements of the measurable 3 X 4 quark mixing matrix. The fit indicates that all the new-physics parameters are consistent with zero and the mixing of the b' quark with the other three is constrained to be small. The current flavor physics data rules out possibility of detectable new physics signals in most of the flavor physics observables. We also inv","authors_text":"Ashutosh Kumar Alok, Dinesh Kumar, Subhashish Banerjee, S. Uma Sankar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-05T12:06:16Z","title":"Flavor signatures of isosinglet vector-like down quark model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1023","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":"sha256:9b823ca3d99c64aca1a01e12b934004e99f14b536ba6d6cb3f9362c1166c4b98","target":"record","created_at":"2026-05-18T01:18:48Z","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":"121468b3f5ecf1af59737944bdf2e30fb34eb698011d3d4e9f2071eddaa676a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-02-05T12:06:16Z","title_canon_sha256":"1121c58e33d757be83dc2993160d911a3f57ad85247dbf482be338ebd9f35805"},"schema_version":"1.0","source":{"id":"1402.1023","kind":"arxiv","version":2}},"canonical_sha256":"cae990621f43596f7cc53c1f0829b8d1029258da4fff1d4e2444aa47a477f3fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cae990621f43596f7cc53c1f0829b8d1029258da4fff1d4e2444aa47a477f3fa","first_computed_at":"2026-05-18T01:18:48.041864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:48.041864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"duAHDiHxzHs24Odo/Y4w0bqFLoeI0W4go7gtHIkuKOqq3Z0aFKyEHYaW4WabiU1dNDHORv7bSnO2WtPnf/0zDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:48.042351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.1023","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b823ca3d99c64aca1a01e12b934004e99f14b536ba6d6cb3f9362c1166c4b98","sha256:cd760e2d21468d844a3f87288a4bbf30a011097a3e171112c3f95f05670db0d6"],"state_sha256":"f97bbd424800d85dba65d5aed929f5cb106cead2cb425c136c45c76cb1a48b60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZwGBn+VrbpQ77CZWcrTwGG5UmXTkTycvjexG3sjtdtJa2rJc+QH8ZvuU7kYe+IWK1BfMzTJWTtSn+V2tzRXeAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:38:35.816628Z","bundle_sha256":"ba4aeb917379a0b6c0ac0df6e6d5c8a2c51bbcf8bb7cacfd0b310aaa7062bd15"}}