{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:JMYHA5SANB4LXZRM4UVURNDUU7","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":"cf720e2f91cbef5d1b6807c92e29acaf4e9430b6735584422a3882fc3bd75d5a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2001-04-20T12:21:33Z","title_canon_sha256":"5add07d9068c7c33751dbe84527fdf2a56ea319dc84711df487941b642ee9f7b"},"schema_version":"1.0","source":{"id":"hep-ex/0104038","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0104038","created_at":"2026-05-18T03:47:33Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0104038v1","created_at":"2026-05-18T03:47:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0104038","created_at":"2026-05-18T03:47:33Z"},{"alias_kind":"pith_short_12","alias_value":"JMYHA5SANB4L","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"JMYHA5SANB4LXZRM","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"JMYHA5SA","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:4deb53e6208d43f41e66a4eb116275397caa9320c092d724e150236f93a0e643","target":"graph","created_at":"2026-05-18T03:47:33Z","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":"The polarisation of $\\tau$'s produced in Z decay is measured using 160 pb$^{-1}$ of data accumulated at LEP by the ALEPH detector between 1990 and 1995. The variation of the polarisation with polar angle yields the two parameters ${\\cal A}_e = 0.1504 \\pm 0.0068 $ and ${\\cal A}_{\\tau} = 0.1451 \\pm 0.0059$ which are consistent with the hypothesis of $e$-$\\tau$ universality. Assuming universality, the value ${\\cal A}_{e{-}\\tau} = 0.1474 \\pm 0.0045$ is obtained from which the effective weak mixing angle $\\sin^2 {\\theta_{\\mathrm{W}}^{\\mathrm{eff}}} =0.23147 \\pm 0.00057 $ is derived.","authors_text":"ALEPH Collaboration","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2001-04-20T12:21:33Z","title":"Measurement of the Tau Polarisation at LEP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0104038","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:b87941af808b1763315d4f5ee2f9da59d7776650282f55f0f08374aaf72af0d8","target":"record","created_at":"2026-05-18T03:47:33Z","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":"cf720e2f91cbef5d1b6807c92e29acaf4e9430b6735584422a3882fc3bd75d5a","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2001-04-20T12:21:33Z","title_canon_sha256":"5add07d9068c7c33751dbe84527fdf2a56ea319dc84711df487941b642ee9f7b"},"schema_version":"1.0","source":{"id":"hep-ex/0104038","kind":"arxiv","version":1}},"canonical_sha256":"4b307076406878bbe62ce52b48b474a7ff1dd7a080e022ec7a86dd1d609af865","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b307076406878bbe62ce52b48b474a7ff1dd7a080e022ec7a86dd1d609af865","first_computed_at":"2026-05-18T03:47:33.216218Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:33.216218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NcxvOma7bNss8FYYOCnzwAQo5mLk05Qm0eTagMvNv4sdZ2caMfCdfrgIKq6tBpWyBuur0D1DuPECGsWEPHCsBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:33.216591Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0104038","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b87941af808b1763315d4f5ee2f9da59d7776650282f55f0f08374aaf72af0d8","sha256:4deb53e6208d43f41e66a4eb116275397caa9320c092d724e150236f93a0e643"],"state_sha256":"a4db9197d41bab957e493c1087639405f03b4409053a7e49fd638fb3eddae4f4"}