{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:KBTR6UWVXG5RQSZWB4ZX27HXWQ","short_pith_number":"pith:KBTR6UWV","canonical_record":{"source":{"id":"1302.6263","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-02-25T21:59:17Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"f879305237a0fb006b9c5491855abddcf3a540e2c93b3b27a5eeb77dd2023a4a","abstract_canon_sha256":"2c2b0a3c2f84129e7dbdacec012fc62fe9237afbf34f69fcd587fdda5b751d53"},"schema_version":"1.0"},"canonical_sha256":"50671f52d5b9bb184b360f337d7cf7b432e144da882ce9b90f3bdff579e65970","source":{"kind":"arxiv","id":"1302.6263","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6263","created_at":"2026-05-18T03:08:47Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6263v2","created_at":"2026-05-18T03:08:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6263","created_at":"2026-05-18T03:08:47Z"},{"alias_kind":"pith_short_12","alias_value":"KBTR6UWVXG5R","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KBTR6UWVXG5RQSZW","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KBTR6UWV","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:KBTR6UWVXG5RQSZWB4ZX27HXWQ","target":"record","payload":{"canonical_record":{"source":{"id":"1302.6263","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-02-25T21:59:17Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"f879305237a0fb006b9c5491855abddcf3a540e2c93b3b27a5eeb77dd2023a4a","abstract_canon_sha256":"2c2b0a3c2f84129e7dbdacec012fc62fe9237afbf34f69fcd587fdda5b751d53"},"schema_version":"1.0"},"canonical_sha256":"50671f52d5b9bb184b360f337d7cf7b432e144da882ce9b90f3bdff579e65970","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:47.286419Z","signature_b64":"EB7iJ4dWwrNns5wtqWOO6RcETbW2gbr1WKYFm38eBeie5vwa2yEifnJLfwrYZE2lMdsP288LAj6DwV2KIHdsCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50671f52d5b9bb184b360f337d7cf7b432e144da882ce9b90f3bdff579e65970","last_reissued_at":"2026-05-18T03:08:47.285960Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:47.285960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.6263","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":"2026-05-18T03:08:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pC3evN7eVHgyTRa4LrpuJ6XbIsW6D02L8/MiydPQa1eXrTeSisujHGFJ/3gdDmsfs/G8bszjoWLTHRojZ9utDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:49:31.596012Z"},"content_sha256":"f6e90d2d10108d34917b42b4affe1a0ecaac016880a3101577b31358fbb5e993","schema_version":"1.0","event_id":"sha256:f6e90d2d10108d34917b42b4affe1a0ecaac016880a3101577b31358fbb5e993"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:KBTR6UWVXG5RQSZWB4ZX27HXWQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low Energy Measurements of the Weak Mixing Angle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"hep-ex","authors_text":"K.S. Kumar, P.A. Souder, Sonny Mantry, W.J. Marciano","submitted_at":"2013-02-25T21:59:17Z","abstract_excerpt":"We review the status of precision measurements of weak neutral current interactions, mediated by the $Z^0$ boson, at $Q^2\\ll M_Z^2$. They can be used to extract values for the weak mixing angle $\\sin^2\\theta_W$, a fundamental parameter of the $SU(2)_L\\times U(1)_Y$ electroweak sector of the Standard Model. Apart from providing a comprehensive test of the electroweak theory at the quantum loop level, such measurements allow indirect access to new physics effects at and beyond the TeV scale. After a theoretical introduction and a brief overview of the three most precise low $Q^2$ weak mixing ang"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6263","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":"2026-05-18T03:08:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6BCIh9AdQlMmekdAQu/1ZyH5MYIOn3hO41FBrObkWUj0PrBNDl4BfhNliFkwW37DWo6CkzcTLe69YdCb4i84Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T01:49:31.596369Z"},"content_sha256":"deddd46704666949b83cf68c8fa0a6e38c26758ad54311f5afd1ac3781ceb9c3","schema_version":"1.0","event_id":"sha256:deddd46704666949b83cf68c8fa0a6e38c26758ad54311f5afd1ac3781ceb9c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ/bundle.json","state_url":"https://pith.science/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ/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":"2026-06-02T01:49:31Z","links":{"resolver":"https://pith.science/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ","bundle":"https://pith.science/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ/bundle.json","state":"https://pith.science/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBTR6UWVXG5RQSZWB4ZX27HXWQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:KBTR6UWVXG5RQSZWB4ZX27HXWQ","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":"2c2b0a3c2f84129e7dbdacec012fc62fe9237afbf34f69fcd587fdda5b751d53","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-02-25T21:59:17Z","title_canon_sha256":"f879305237a0fb006b9c5491855abddcf3a540e2c93b3b27a5eeb77dd2023a4a"},"schema_version":"1.0","source":{"id":"1302.6263","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6263","created_at":"2026-05-18T03:08:47Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6263v2","created_at":"2026-05-18T03:08:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6263","created_at":"2026-05-18T03:08:47Z"},{"alias_kind":"pith_short_12","alias_value":"KBTR6UWVXG5R","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"KBTR6UWVXG5RQSZW","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"KBTR6UWV","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:deddd46704666949b83cf68c8fa0a6e38c26758ad54311f5afd1ac3781ceb9c3","target":"graph","created_at":"2026-05-18T03:08:47Z","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":"We review the status of precision measurements of weak neutral current interactions, mediated by the $Z^0$ boson, at $Q^2\\ll M_Z^2$. They can be used to extract values for the weak mixing angle $\\sin^2\\theta_W$, a fundamental parameter of the $SU(2)_L\\times U(1)_Y$ electroweak sector of the Standard Model. Apart from providing a comprehensive test of the electroweak theory at the quantum loop level, such measurements allow indirect access to new physics effects at and beyond the TeV scale. After a theoretical introduction and a brief overview of the three most precise low $Q^2$ weak mixing ang","authors_text":"K.S. Kumar, P.A. Souder, Sonny Mantry, W.J. Marciano","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-02-25T21:59:17Z","title":"Low Energy Measurements of the Weak Mixing Angle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6263","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:f6e90d2d10108d34917b42b4affe1a0ecaac016880a3101577b31358fbb5e993","target":"record","created_at":"2026-05-18T03:08:47Z","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":"2c2b0a3c2f84129e7dbdacec012fc62fe9237afbf34f69fcd587fdda5b751d53","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2013-02-25T21:59:17Z","title_canon_sha256":"f879305237a0fb006b9c5491855abddcf3a540e2c93b3b27a5eeb77dd2023a4a"},"schema_version":"1.0","source":{"id":"1302.6263","kind":"arxiv","version":2}},"canonical_sha256":"50671f52d5b9bb184b360f337d7cf7b432e144da882ce9b90f3bdff579e65970","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50671f52d5b9bb184b360f337d7cf7b432e144da882ce9b90f3bdff579e65970","first_computed_at":"2026-05-18T03:08:47.285960Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:47.285960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EB7iJ4dWwrNns5wtqWOO6RcETbW2gbr1WKYFm38eBeie5vwa2yEifnJLfwrYZE2lMdsP288LAj6DwV2KIHdsCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:47.286419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6263","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6e90d2d10108d34917b42b4affe1a0ecaac016880a3101577b31358fbb5e993","sha256:deddd46704666949b83cf68c8fa0a6e38c26758ad54311f5afd1ac3781ceb9c3"],"state_sha256":"f6488be4f00e329e612eccf42455f9bfa8d781a2965742f293250b144f8f1ea9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KVxqvRqKiYfDZiltO3sW1PVBrwaVZd9vE1rzCtBx/z+ZygA2ueQ4uKhZqchchlcQcmlEBJxsAHfaDF+lVevUDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T01:49:31.598308Z","bundle_sha256":"0877ce78f1d4e036aa64d2efe3973544b01954ef08312ae40816b46f60fbe1df"}}