{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:6D2TEHO5CNYGAGPCNBMEJQ7W4D","short_pith_number":"pith:6D2TEHO5","canonical_record":{"source":{"id":"0807.1125","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-07T20:52:00Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"e191752bad33395fdcdfc1c9865a9271fa66818791087f318fd5019399987aee","abstract_canon_sha256":"1427652aa01741a12ca3054e88f9c7091b5f2d3b2b109471bf7357ea9a0aa7c5"},"schema_version":"1.0"},"canonical_sha256":"f0f5321ddd13706019e2685844c3f6e0cc4b4b13dda6526fa4c3b5e52726a665","source":{"kind":"arxiv","id":"0807.1125","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.1125","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"arxiv_version","alias_value":"0807.1125v3","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.1125","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"pith_short_12","alias_value":"6D2TEHO5CNYG","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"pith_short_16","alias_value":"6D2TEHO5CNYGAGPC","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"pith_short_8","alias_value":"6D2TEHO5","created_at":"2026-07-04T15:30:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:6D2TEHO5CNYGAGPCNBMEJQ7W4D","target":"record","payload":{"canonical_record":{"source":{"id":"0807.1125","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-07T20:52:00Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"e191752bad33395fdcdfc1c9865a9271fa66818791087f318fd5019399987aee","abstract_canon_sha256":"1427652aa01741a12ca3054e88f9c7091b5f2d3b2b109471bf7357ea9a0aa7c5"},"schema_version":"1.0"},"canonical_sha256":"f0f5321ddd13706019e2685844c3f6e0cc4b4b13dda6526fa4c3b5e52726a665","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:30:21.556753Z","signature_b64":"HtnyEJQMhK0T96KArMfuVYkZFpdDBjKAyIiK/YTlByTKLMxKJf4GUaY9ZoqRZQHeBk4w+suHKxVWdXtfMf5/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0f5321ddd13706019e2685844c3f6e0cc4b4b13dda6526fa4c3b5e52726a665","last_reissued_at":"2026-07-04T15:30:21.556365Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:30:21.556365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0807.1125","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:30:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"efSMdDz9zprcE4HzApC3cgvFH/rWpBgbvkrKo6TooHs/FP1bXxlEhHdddKLq00gxKIqgbUmh17wKsMPG+cRIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:30:41.956401Z"},"content_sha256":"b918a18b1128af0644df41ef1f4c0d6aad58033464a44cfaf52387606339674e","schema_version":"1.0","event_id":"sha256:b918a18b1128af0644df41ef1f4c0d6aad58033464a44cfaf52387606339674e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:6D2TEHO5CNYGAGPCNBMEJQ7W4D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Precision Measurement of the Muon Decay Parameters $\\rho$ and $\\delta$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"hep-ex","authors_text":"A. Gaponenko, A. Grossheim, A. Hillairet, A. Olin, B. Jamieson, B. Shin, C.A. Gagliardi, D.D. Koetke, D.R. Gill, E.L. Mathie, G.M. Marshall, G. Sheffer, J. Bueno, J. Hu, J.-M. Poutissou, J.R. Musser, K. Olchanski, M.A. Quraan, M.C. Fujiwara, M.D. Hasinoff, M. Nozar, P. Depommier, P. Gumplinger, P. Kitching, R. Bayes, R.E. Mischke, R.E. Tribble, R. Openshaw, R. Poutissou, R.S. Henderson, R. Tacik, T.D.S. Stanislaus, TWIST Collaboration: R.P. MacDonald, V. Selivanov, W. Faszer, Yu.I. Davydov","submitted_at":"2008-07-07T20:52:00Z","abstract_excerpt":"The TWIST collaboration has performed new measurements of two of the parameters that describe muon decay: $\\rho$, which governs the shape of the overall momentum spectrum, and $\\delta$, which governs the momentum dependence of the parity-violating decay asymmetry. This analysis gives the results $\\rho=0.75014\\pm 0.00017(\\text{stat})\\pm 0.00044(\\text{syst})\\pm 0.00011(\\eta)$, where the last uncertainty arises from the correlation between $\\rho$ and the decay parameter $\\eta$, and $\\delta = 0.75067\\pm 0.00030(\\text{stat})\\pm 0.00067(\\text{syst})$. These are consistent with the value of 3/4 given"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.1125","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0807.1125/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:30:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L1Mn8FcY2pG4Ek9Y+HzjioOIeZ19Sye7PgNokp7MTFfCyd8EVh0nytl5AE6Qkcnu7k29T9Za4HIf5E9PSCnsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:30:41.956898Z"},"content_sha256":"81c2abf80803122cae9df2f86d12664a297473fc1e53f214827b0f72012c190f","schema_version":"1.0","event_id":"sha256:81c2abf80803122cae9df2f86d12664a297473fc1e53f214827b0f72012c190f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D/bundle.json","state_url":"https://pith.science/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D/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":"2026-08-03T18:30:41Z","links":{"resolver":"https://pith.science/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D","bundle":"https://pith.science/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D/bundle.json","state":"https://pith.science/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6D2TEHO5CNYGAGPCNBMEJQ7W4D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:6D2TEHO5CNYGAGPCNBMEJQ7W4D","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":"1427652aa01741a12ca3054e88f9c7091b5f2d3b2b109471bf7357ea9a0aa7c5","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-07T20:52:00Z","title_canon_sha256":"e191752bad33395fdcdfc1c9865a9271fa66818791087f318fd5019399987aee"},"schema_version":"1.0","source":{"id":"0807.1125","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0807.1125","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"arxiv_version","alias_value":"0807.1125v3","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.1125","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"pith_short_12","alias_value":"6D2TEHO5CNYG","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"pith_short_16","alias_value":"6D2TEHO5CNYGAGPC","created_at":"2026-07-04T15:30:21Z"},{"alias_kind":"pith_short_8","alias_value":"6D2TEHO5","created_at":"2026-07-04T15:30:21Z"}],"graph_snapshots":[{"event_id":"sha256:81c2abf80803122cae9df2f86d12664a297473fc1e53f214827b0f72012c190f","target":"graph","created_at":"2026-07-04T15:30:21Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0807.1125/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The TWIST collaboration has performed new measurements of two of the parameters that describe muon decay: $\\rho$, which governs the shape of the overall momentum spectrum, and $\\delta$, which governs the momentum dependence of the parity-violating decay asymmetry. This analysis gives the results $\\rho=0.75014\\pm 0.00017(\\text{stat})\\pm 0.00044(\\text{syst})\\pm 0.00011(\\eta)$, where the last uncertainty arises from the correlation between $\\rho$ and the decay parameter $\\eta$, and $\\delta = 0.75067\\pm 0.00030(\\text{stat})\\pm 0.00067(\\text{syst})$. These are consistent with the value of 3/4 given","authors_text":"A. Gaponenko, A. Grossheim, A. Hillairet, A. Olin, B. Jamieson, B. Shin, C.A. Gagliardi, D.D. Koetke, D.R. Gill, E.L. Mathie, G.M. Marshall, G. Sheffer, J. Bueno, J. Hu, J.-M. Poutissou, J.R. Musser, K. Olchanski, M.A. Quraan, M.C. Fujiwara, M.D. Hasinoff, M. Nozar, P. Depommier, P. Gumplinger, P. Kitching, R. Bayes, R.E. Mischke, R.E. Tribble, R. Openshaw, R. Poutissou, R.S. Henderson, R. Tacik, T.D.S. Stanislaus, TWIST Collaboration: R.P. MacDonald, V. Selivanov, W. Faszer, Yu.I. Davydov","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-07T20:52:00Z","title":"A Precision Measurement of the Muon Decay Parameters $\\rho$ and $\\delta$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.1125","kind":"arxiv","version":3},"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:b918a18b1128af0644df41ef1f4c0d6aad58033464a44cfaf52387606339674e","target":"record","created_at":"2026-07-04T15:30:21Z","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":"1427652aa01741a12ca3054e88f9c7091b5f2d3b2b109471bf7357ea9a0aa7c5","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2008-07-07T20:52:00Z","title_canon_sha256":"e191752bad33395fdcdfc1c9865a9271fa66818791087f318fd5019399987aee"},"schema_version":"1.0","source":{"id":"0807.1125","kind":"arxiv","version":3}},"canonical_sha256":"f0f5321ddd13706019e2685844c3f6e0cc4b4b13dda6526fa4c3b5e52726a665","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0f5321ddd13706019e2685844c3f6e0cc4b4b13dda6526fa4c3b5e52726a665","first_computed_at":"2026-07-04T15:30:21.556365Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:30:21.556365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HtnyEJQMhK0T96KArMfuVYkZFpdDBjKAyIiK/YTlByTKLMxKJf4GUaY9ZoqRZQHeBk4w+suHKxVWdXtfMf5/Bg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:30:21.556753Z","signed_message":"canonical_sha256_bytes"},"source_id":"0807.1125","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b918a18b1128af0644df41ef1f4c0d6aad58033464a44cfaf52387606339674e","sha256:81c2abf80803122cae9df2f86d12664a297473fc1e53f214827b0f72012c190f"],"state_sha256":"8925c2988b0db67d9b4b8664c39530ae7cb7e4829a8d14f96c11574b4e115c84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JxZD5vkwcwgfqMyvjHEYaUeNYxVb5r/wOiliUye90fTSCRs/QYE9+1EE3ZHtJvWVJGIMBcbbqvLA49sLmAASCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:30:41.961873Z","bundle_sha256":"2aded0912f0fbf7297fb2ccf8925d14d5caa9c9bcf67a4d5e9f71f55427ed6c9"}}