{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TFBYQ3AV67AKPIP7YSX2ZFQEN7","short_pith_number":"pith:TFBYQ3AV","canonical_record":{"source":{"id":"1212.0091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-12-01T10:30:14Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"2bd55cb168a599123f3b4266dadd7303df4ffe9a8e076981b43d4457fc52a3e1","abstract_canon_sha256":"d6df170d9f272bc2c3b9d1337b2c0e1b137864280f44f1e159cfd569de91b54d"},"schema_version":"1.0"},"canonical_sha256":"9943886c15f7c0a7a1ffc4afac96046fc21c3cabb75d6fff784014cdbc05b508","source":{"kind":"arxiv","id":"1212.0091","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0091","created_at":"2026-05-18T03:37:52Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0091v2","created_at":"2026-05-18T03:37:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0091","created_at":"2026-05-18T03:37:52Z"},{"alias_kind":"pith_short_12","alias_value":"TFBYQ3AV67AK","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TFBYQ3AV67AKPIP7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TFBYQ3AV","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TFBYQ3AV67AKPIP7YSX2ZFQEN7","target":"record","payload":{"canonical_record":{"source":{"id":"1212.0091","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-12-01T10:30:14Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"2bd55cb168a599123f3b4266dadd7303df4ffe9a8e076981b43d4457fc52a3e1","abstract_canon_sha256":"d6df170d9f272bc2c3b9d1337b2c0e1b137864280f44f1e159cfd569de91b54d"},"schema_version":"1.0"},"canonical_sha256":"9943886c15f7c0a7a1ffc4afac96046fc21c3cabb75d6fff784014cdbc05b508","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:37:52.201731Z","signature_b64":"cHAJ+arvxcIBFZav2Q0JtK83VL4PaszGqaxQp8cJ7nE5H6tfP9zf4Ii9Ur3VZSR3KEKgBErQToqXdhLWBkBNBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9943886c15f7c0a7a1ffc4afac96046fc21c3cabb75d6fff784014cdbc05b508","last_reissued_at":"2026-05-18T03:37:52.201026Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:37:52.201026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.0091","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":"2026-05-18T03:37:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+VEULRJ/yoChfXZnUZO+hI0RK8I6/BEYG81g2SAoHRLHKkpyz6J/b+5intq797//JHmH18d9s05ss3c2jO8NBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:53:16.399641Z"},"content_sha256":"bbe51ef1b5cecd0cc6bf501695288508025cb414e1ff0245bc8cb0424eb883ff","schema_version":"1.0","event_id":"sha256:bbe51ef1b5cecd0cc6bf501695288508025cb414e1ff0245bc8cb0424eb883ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TFBYQ3AV67AKPIP7YSX2ZFQEN7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The strong coupling from tau decays without prejudice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Andisheh Mahdavi, Diogo Boito, James Osborne, Kim Maltman, Maarten Golterman, Matthias Jamin, Santiago Peris","submitted_at":"2012-12-01T10:30:14Z","abstract_excerpt":"We review our recent determination of the strong coupling \\alpha_s from the OPAL data for non-strange hadronic tau decays. We find that \\alpha_s(m^2_\\tau) =0.325+-0.018 using fixed-order perturbation theory, and \\alpha_s(m^2_\\tau)=0.347+-0.025 using contour-improved perturbation theory. At present, these values supersede any earlier determinations of the strong coupling from hadronic tau decays, including those from ALEPH data."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0091","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":"2026-05-18T03:37:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KfjUA+MRfMBRiE53ya4NrusYQ3T9XDC2uVICfzTi1w4Tmlb+4j/s5Xb6iajNk7clTn2PD7HrmHtvbkZZN9cdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:53:16.400265Z"},"content_sha256":"2702afab19142a2322ae429454538b5c7528e89ffc1f390a3f1e7d3308e4d2fc","schema_version":"1.0","event_id":"sha256:2702afab19142a2322ae429454538b5c7528e89ffc1f390a3f1e7d3308e4d2fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7/bundle.json","state_url":"https://pith.science/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7/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":"2026-05-25T18:53:16Z","links":{"resolver":"https://pith.science/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7","bundle":"https://pith.science/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7/bundle.json","state":"https://pith.science/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TFBYQ3AV67AKPIP7YSX2ZFQEN7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TFBYQ3AV67AKPIP7YSX2ZFQEN7","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":"d6df170d9f272bc2c3b9d1337b2c0e1b137864280f44f1e159cfd569de91b54d","cross_cats_sorted":["hep-ex","hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-12-01T10:30:14Z","title_canon_sha256":"2bd55cb168a599123f3b4266dadd7303df4ffe9a8e076981b43d4457fc52a3e1"},"schema_version":"1.0","source":{"id":"1212.0091","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.0091","created_at":"2026-05-18T03:37:52Z"},{"alias_kind":"arxiv_version","alias_value":"1212.0091v2","created_at":"2026-05-18T03:37:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0091","created_at":"2026-05-18T03:37:52Z"},{"alias_kind":"pith_short_12","alias_value":"TFBYQ3AV67AK","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TFBYQ3AV67AKPIP7","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TFBYQ3AV","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:2702afab19142a2322ae429454538b5c7528e89ffc1f390a3f1e7d3308e4d2fc","target":"graph","created_at":"2026-05-18T03:37:52Z","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 our recent determination of the strong coupling \\alpha_s from the OPAL data for non-strange hadronic tau decays. We find that \\alpha_s(m^2_\\tau) =0.325+-0.018 using fixed-order perturbation theory, and \\alpha_s(m^2_\\tau)=0.347+-0.025 using contour-improved perturbation theory. At present, these values supersede any earlier determinations of the strong coupling from hadronic tau decays, including those from ALEPH data.","authors_text":"Andisheh Mahdavi, Diogo Boito, James Osborne, Kim Maltman, Maarten Golterman, Matthias Jamin, Santiago Peris","cross_cats":["hep-ex","hep-lat"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-12-01T10:30:14Z","title":"The strong coupling from tau decays without prejudice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0091","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:bbe51ef1b5cecd0cc6bf501695288508025cb414e1ff0245bc8cb0424eb883ff","target":"record","created_at":"2026-05-18T03:37:52Z","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":"d6df170d9f272bc2c3b9d1337b2c0e1b137864280f44f1e159cfd569de91b54d","cross_cats_sorted":["hep-ex","hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-12-01T10:30:14Z","title_canon_sha256":"2bd55cb168a599123f3b4266dadd7303df4ffe9a8e076981b43d4457fc52a3e1"},"schema_version":"1.0","source":{"id":"1212.0091","kind":"arxiv","version":2}},"canonical_sha256":"9943886c15f7c0a7a1ffc4afac96046fc21c3cabb75d6fff784014cdbc05b508","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9943886c15f7c0a7a1ffc4afac96046fc21c3cabb75d6fff784014cdbc05b508","first_computed_at":"2026-05-18T03:37:52.201026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:52.201026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cHAJ+arvxcIBFZav2Q0JtK83VL4PaszGqaxQp8cJ7nE5H6tfP9zf4Ii9Ur3VZSR3KEKgBErQToqXdhLWBkBNBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:52.201731Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.0091","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbe51ef1b5cecd0cc6bf501695288508025cb414e1ff0245bc8cb0424eb883ff","sha256:2702afab19142a2322ae429454538b5c7528e89ffc1f390a3f1e7d3308e4d2fc"],"state_sha256":"f5ec4a6743194087d03e2c690d118732d5b79e85e40d938d3324922b5ebd1a4a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M2xYhGrIQztOGbatACuPeWVlvSzKOWrFZ6WteI5pjzwT0jqDHrDbm+QSfGw3NP4rdUMQMUsxEZtTYQ5ER+NOBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:53:16.403609Z","bundle_sha256":"8da9f02860c0ae9423af4a5971265184b9d416069deb7e4945f5111968857270"}}