{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ALEH4XIUZRHRTIBJRVQSUTZRE6","short_pith_number":"pith:ALEH4XIU","canonical_record":{"source":{"id":"1001.0389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-01-03T17:38:40Z","cross_cats_sorted":[],"title_canon_sha256":"77f8e40b62f26f054ea001a5f88e7c84a356be0fd554bd80393001f7cb42bb61","abstract_canon_sha256":"baf078139bd8d08d585aa59520e7173f3d477f9b3d9cc7f9754ce34d01cba61f"},"schema_version":"1.0"},"canonical_sha256":"02c87e5d14cc4f19a0298d612a4f3127873b82339aab1a0677a4fc5364c37a0d","source":{"kind":"arxiv","id":"1001.0389","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0389","created_at":"2026-05-18T04:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0389v1","created_at":"2026-05-18T04:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0389","created_at":"2026-05-18T04:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"ALEH4XIUZRHR","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"ALEH4XIUZRHRTIBJ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"ALEH4XIU","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ALEH4XIUZRHRTIBJRVQSUTZRE6","target":"record","payload":{"canonical_record":{"source":{"id":"1001.0389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-01-03T17:38:40Z","cross_cats_sorted":[],"title_canon_sha256":"77f8e40b62f26f054ea001a5f88e7c84a356be0fd554bd80393001f7cb42bb61","abstract_canon_sha256":"baf078139bd8d08d585aa59520e7173f3d477f9b3d9cc7f9754ce34d01cba61f"},"schema_version":"1.0"},"canonical_sha256":"02c87e5d14cc4f19a0298d612a4f3127873b82339aab1a0677a4fc5364c37a0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:33.260533Z","signature_b64":"G/Q5dMAkxGmAyn+WNHabAwNguvUH7S1oWOYgS5/Wej6mtySslRzpi8IvvWW1Otg4iiz+2dxCEvEzBwu9LgOADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02c87e5d14cc4f19a0298d612a4f3127873b82339aab1a0677a4fc5364c37a0d","last_reissued_at":"2026-05-18T04:37:33.260036Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:33.260036Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.0389","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":"2026-05-18T04:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jBs/XtMKmAesWO4wki9iEVdz92MOAid6krny6BQnOCaWgs5W14QPRa5RldNmrXpmazIg9dteZbRWRnKqjg/fAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:54:45.942562Z"},"content_sha256":"58e50f6ba6cead6529d3236bf999136ffa35975b9b2a08994e0d6fa8199e86b0","schema_version":"1.0","event_id":"sha256:58e50f6ba6cead6529d3236bf999136ffa35975b9b2a08994e0d6fa8199e86b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ALEH4XIUZRHRTIBJRVQSUTZRE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Alpha_s Determination from Tau Decays: Theoretical Status","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Antonio Pich","submitted_at":"2010-01-03T17:38:40Z","abstract_excerpt":"The total tau hadronic width can be accurately calculated using analyticity and the operator product expansion. The result turns out to be very sensitive to the value of alpha_s(m_tau^2), providing a precise determination of the strong coupling constant. The theoretical description of this observable is updated, including the recently computed O(alpha_s^4) contributions. The experimental determination of alpha_s(m_tau^2) and its actual uncertainties are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0389","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":"2026-05-18T04:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fa8gyOu96jpBt9I/jTMqxUtOPllM++I3BwCK3toFZd1veJgs4zcQsxGJGFdNf5LY5SAVPnadIEoqfm8tgk2VCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:54:45.942928Z"},"content_sha256":"caee8320e404286152c6d7969bc8325005bb0ffd9fc0ff85160d94ac712cf0c9","schema_version":"1.0","event_id":"sha256:caee8320e404286152c6d7969bc8325005bb0ffd9fc0ff85160d94ac712cf0c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6/bundle.json","state_url":"https://pith.science/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6/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":"2026-05-30T08:54:45Z","links":{"resolver":"https://pith.science/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6","bundle":"https://pith.science/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6/bundle.json","state":"https://pith.science/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ALEH4XIUZRHRTIBJRVQSUTZRE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ALEH4XIUZRHRTIBJRVQSUTZRE6","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":"baf078139bd8d08d585aa59520e7173f3d477f9b3d9cc7f9754ce34d01cba61f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-01-03T17:38:40Z","title_canon_sha256":"77f8e40b62f26f054ea001a5f88e7c84a356be0fd554bd80393001f7cb42bb61"},"schema_version":"1.0","source":{"id":"1001.0389","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.0389","created_at":"2026-05-18T04:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1001.0389v1","created_at":"2026-05-18T04:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0389","created_at":"2026-05-18T04:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"ALEH4XIUZRHR","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"ALEH4XIUZRHRTIBJ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"ALEH4XIU","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:caee8320e404286152c6d7969bc8325005bb0ffd9fc0ff85160d94ac712cf0c9","target":"graph","created_at":"2026-05-18T04:37:33Z","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 total tau hadronic width can be accurately calculated using analyticity and the operator product expansion. The result turns out to be very sensitive to the value of alpha_s(m_tau^2), providing a precise determination of the strong coupling constant. The theoretical description of this observable is updated, including the recently computed O(alpha_s^4) contributions. The experimental determination of alpha_s(m_tau^2) and its actual uncertainties are discussed.","authors_text":"Antonio Pich","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-01-03T17:38:40Z","title":"Alpha_s Determination from Tau Decays: Theoretical Status"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0389","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":"sha256:58e50f6ba6cead6529d3236bf999136ffa35975b9b2a08994e0d6fa8199e86b0","target":"record","created_at":"2026-05-18T04:37:33Z","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":"baf078139bd8d08d585aa59520e7173f3d477f9b3d9cc7f9754ce34d01cba61f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-01-03T17:38:40Z","title_canon_sha256":"77f8e40b62f26f054ea001a5f88e7c84a356be0fd554bd80393001f7cb42bb61"},"schema_version":"1.0","source":{"id":"1001.0389","kind":"arxiv","version":1}},"canonical_sha256":"02c87e5d14cc4f19a0298d612a4f3127873b82339aab1a0677a4fc5364c37a0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02c87e5d14cc4f19a0298d612a4f3127873b82339aab1a0677a4fc5364c37a0d","first_computed_at":"2026-05-18T04:37:33.260036Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:33.260036Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G/Q5dMAkxGmAyn+WNHabAwNguvUH7S1oWOYgS5/Wej6mtySslRzpi8IvvWW1Otg4iiz+2dxCEvEzBwu9LgOADQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:33.260533Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.0389","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58e50f6ba6cead6529d3236bf999136ffa35975b9b2a08994e0d6fa8199e86b0","sha256:caee8320e404286152c6d7969bc8325005bb0ffd9fc0ff85160d94ac712cf0c9"],"state_sha256":"b7546836954e777ec2dfd5afb5f471b77312c1efe636a2c1cffe70913acdd6bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bATiPLP4ebCBLBGuXp6rR+ROLX8ruSYMky4I1oxxug3YhxkJzhvcQAQ3qcnuR/e7Jo7GXzVW9yJVnTR5XQZ9CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:54:45.945716Z","bundle_sha256":"626ae41fca91c59bc606db789a43b2ee0481428e4c59c1dc0eed3ea827cfbcf5"}}