{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XKETDYW623VRSDWD7XJGZTTMKM","short_pith_number":"pith:XKETDYW6","schema_version":"1.0","canonical_sha256":"ba8931e2ded6eb190ec3fdd26cce6c53015a1e9a8c1b7c8a5b8cf694fd2c0a4b","source":{"kind":"arxiv","id":"1606.06175","version":2},"attestation_state":"computed","paper":{"title":"Scheme variations of the QCD coupling and hadronic $\\tau$ decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Diogo Boito, Matthias Jamin, Ramon Miravitllas","submitted_at":"2016-06-20T15:15:38Z","abstract_excerpt":"The Quantum Chromodynamics (QCD) coupling, $\\alpha_s$, is not a physical observable of the theory since it depends on conventions related to the renormalization procedure. We introduce a definition of the QCD coupling, denoted by $\\hat\\alpha_s$, whose running is explicitly renormalization scheme invariant. The scheme dependence of the new coupling $\\hat\\alpha_s$ is parameterized by a single parameter $C$, related to transformations of the QCD scale $\\Lambda$. It is demonstrated that appropriate choices of $C$ can lead to substantial improvements in the perturbative prediction of physical obser"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1606.06175","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-20T15:15:38Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"5ffeab8eed81d62657782cd2396dbec7385f4467ca301901fc9cbc70dafa2fc8","abstract_canon_sha256":"08f529774d6e8adf5f1bc2d101ec4e26a7a7d970f66344806bc553220c3a336a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:38.812195Z","signature_b64":"CGefog+4WevOZ2BukBTQTbrvVNXJxJMm0NItt+93p5gSYyM1EKTbZ20RuFL2mGtU87m9C2veMsIn8WHaW1IaBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba8931e2ded6eb190ec3fdd26cce6c53015a1e9a8c1b7c8a5b8cf694fd2c0a4b","last_reissued_at":"2026-05-18T01:02:38.811434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:38.811434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scheme variations of the QCD coupling and hadronic $\\tau$ decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Diogo Boito, Matthias Jamin, Ramon Miravitllas","submitted_at":"2016-06-20T15:15:38Z","abstract_excerpt":"The Quantum Chromodynamics (QCD) coupling, $\\alpha_s$, is not a physical observable of the theory since it depends on conventions related to the renormalization procedure. We introduce a definition of the QCD coupling, denoted by $\\hat\\alpha_s$, whose running is explicitly renormalization scheme invariant. The scheme dependence of the new coupling $\\hat\\alpha_s$ is parameterized by a single parameter $C$, related to transformations of the QCD scale $\\Lambda$. It is demonstrated that appropriate choices of $C$ can lead to substantial improvements in the perturbative prediction of physical obser"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06175","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1606.06175","created_at":"2026-05-18T01:02:38.811555+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.06175v2","created_at":"2026-05-18T01:02:38.811555+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06175","created_at":"2026-05-18T01:02:38.811555+00:00"},{"alias_kind":"pith_short_12","alias_value":"XKETDYW623VR","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XKETDYW623VRSDWD","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XKETDYW6","created_at":"2026-05-18T12:30:51.357362+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2601.11277","citing_title":"Hadronic tau decays at higher orders in QCD","ref_index":69,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM","json":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM.json","graph_json":"https://pith.science/api/pith-number/XKETDYW623VRSDWD7XJGZTTMKM/graph.json","events_json":"https://pith.science/api/pith-number/XKETDYW623VRSDWD7XJGZTTMKM/events.json","paper":"https://pith.science/paper/XKETDYW6"},"agent_actions":{"view_html":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM","download_json":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM.json","view_paper":"https://pith.science/paper/XKETDYW6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.06175&json=true","fetch_graph":"https://pith.science/api/pith-number/XKETDYW623VRSDWD7XJGZTTMKM/graph.json","fetch_events":"https://pith.science/api/pith-number/XKETDYW623VRSDWD7XJGZTTMKM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM/action/storage_attestation","attest_author":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM/action/author_attestation","sign_citation":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM/action/citation_signature","submit_replication":"https://pith.science/pith/XKETDYW623VRSDWD7XJGZTTMKM/action/replication_record"}},"created_at":"2026-05-18T01:02:38.811555+00:00","updated_at":"2026-05-18T01:02:38.811555+00:00"}