{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:JMYHA5SANB4LXZRM4UVURNDUU7","short_pith_number":"pith:JMYHA5SA","canonical_record":{"source":{"id":"hep-ex/0104038","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2001-04-20T12:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"5add07d9068c7c33751dbe84527fdf2a56ea319dc84711df487941b642ee9f7b","abstract_canon_sha256":"cf720e2f91cbef5d1b6807c92e29acaf4e9430b6735584422a3882fc3bd75d5a"},"schema_version":"1.0"},"canonical_sha256":"4b307076406878bbe62ce52b48b474a7ff1dd7a080e022ec7a86dd1d609af865","source":{"kind":"arxiv","id":"hep-ex/0104038","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"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:JMYHA5SANB4LXZRM4UVURNDUU7","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0104038","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2001-04-20T12:21:33Z","cross_cats_sorted":[],"title_canon_sha256":"5add07d9068c7c33751dbe84527fdf2a56ea319dc84711df487941b642ee9f7b","abstract_canon_sha256":"cf720e2f91cbef5d1b6807c92e29acaf4e9430b6735584422a3882fc3bd75d5a"},"schema_version":"1.0"},"canonical_sha256":"4b307076406878bbe62ce52b48b474a7ff1dd7a080e022ec7a86dd1d609af865","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:33.216591Z","signature_b64":"NcxvOma7bNss8FYYOCnzwAQo5mLk05Qm0eTagMvNv4sdZ2caMfCdfrgIKq6tBpWyBuur0D1DuPECGsWEPHCsBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b307076406878bbe62ce52b48b474a7ff1dd7a080e022ec7a86dd1d609af865","last_reissued_at":"2026-05-18T03:47:33.216218Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:33.216218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0104038","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":"2026-05-18T03:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ObfZthlata2cJUR7N1gQMMxCV42ZrsgvLardnmQDLyoZJw4NBLLbwE6CgMK6Me02NEcJ7TVRuQJYkUvmv1quDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T06:20:52.497828Z"},"content_sha256":"b87941af808b1763315d4f5ee2f9da59d7776650282f55f0f08374aaf72af0d8","schema_version":"1.0","event_id":"sha256:b87941af808b1763315d4f5ee2f9da59d7776650282f55f0f08374aaf72af0d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:JMYHA5SANB4LXZRM4UVURNDUU7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of the Tau Polarisation at LEP","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ALEPH Collaboration","submitted_at":"2001-04-20T12:21:33Z","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."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0104038","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":"2026-05-18T03:47:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f8TwXuDPmJOkIwHsHSOX7tFSpr+dIZU9dLMfNFRwoUGJ346xJ8ROLi/en6p7I6xexi4IFnzK6Z1rUnzntyC4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T06:20:52.498556Z"},"content_sha256":"4deb53e6208d43f41e66a4eb116275397caa9320c092d724e150236f93a0e643","schema_version":"1.0","event_id":"sha256:4deb53e6208d43f41e66a4eb116275397caa9320c092d724e150236f93a0e643"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JMYHA5SANB4LXZRM4UVURNDUU7/bundle.json","state_url":"https://pith.science/pith/JMYHA5SANB4LXZRM4UVURNDUU7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JMYHA5SANB4LXZRM4UVURNDUU7/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":"2026-05-22T06:20:52Z","links":{"resolver":"https://pith.science/pith/JMYHA5SANB4LXZRM4UVURNDUU7","bundle":"https://pith.science/pith/JMYHA5SANB4LXZRM4UVURNDUU7/bundle.json","state":"https://pith.science/pith/JMYHA5SANB4LXZRM4UVURNDUU7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JMYHA5SANB4LXZRM4UVURNDUU7/bundle.json"},"state":{"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"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cbS5beDmnBsvh9+LFPLaCsCg11RAOgvaRykLe1LY87oVsharbGt6by3MWNoYlBV0D1TCtyS+b7+21H3sPCtwBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T06:20:52.502070Z","bundle_sha256":"9e06e5ec8290ed3c25ac3795abae10f98734b0a3c6638664c5721625a13980a9"}}