{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:4IVWBZXR5GCSC6GTT7BLNODCGG","short_pith_number":"pith:4IVWBZXR","canonical_record":{"source":{"id":"2401.04049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2024-01-08T17:40:13Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a01db07b3fb17d51ec78ede29ca10615ec2494dabfd922af5ea2ad0d8e7ef413","abstract_canon_sha256":"9a2deb50587e22dab879b8e86fc5ac2dce9609b5b92b90e58caf984102f2d005"},"schema_version":"1.0"},"canonical_sha256":"e22b60e6f1e9852178d39fc2b6b86231ababf7f47c42177d4d224ae4c797688c","source":{"kind":"arxiv","id":"2401.04049","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.04049","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"arxiv_version","alias_value":"2401.04049v1","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.04049","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"pith_short_12","alias_value":"4IVWBZXR5GCS","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"pith_short_16","alias_value":"4IVWBZXR5GCSC6GT","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"pith_short_8","alias_value":"4IVWBZXR","created_at":"2026-07-05T07:31:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:4IVWBZXR5GCSC6GTT7BLNODCGG","target":"record","payload":{"canonical_record":{"source":{"id":"2401.04049","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2024-01-08T17:40:13Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a01db07b3fb17d51ec78ede29ca10615ec2494dabfd922af5ea2ad0d8e7ef413","abstract_canon_sha256":"9a2deb50587e22dab879b8e86fc5ac2dce9609b5b92b90e58caf984102f2d005"},"schema_version":"1.0"},"canonical_sha256":"e22b60e6f1e9852178d39fc2b6b86231ababf7f47c42177d4d224ae4c797688c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:31:23.204945Z","signature_b64":"xiaC4N/oGSR57b0BILw5U48B7LxiueawK/y/N0q5YW6CeIFDC87IObuZyrnykqL4fA7oTzIxbiAq8TgtNUmaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e22b60e6f1e9852178d39fc2b6b86231ababf7f47c42177d4d224ae4c797688c","last_reissued_at":"2026-07-05T07:31:23.204441Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:31:23.204441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.04049","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":"2026-07-05T07:31:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ue2BPvOHtR4v/cgGxkWpGr0oIlM+KVjyGaOkjdJfCzvA05rKOYgT1Gh88yAs5Myoi0xeX8LOKm1fS0WTu9yPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:26:52.303645Z"},"content_sha256":"6f1b92bcfaf23b76b0fb629f4c407523d987ee088e19b66f41bed75f29ced966","schema_version":"1.0","event_id":"sha256:6f1b92bcfaf23b76b0fb629f4c407523d987ee088e19b66f41bed75f29ced966"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:4IVWBZXR5GCSC6GTT7BLNODCGG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hadronic contribution to the running of the electromagnetic coupling constant from lattice QCD: challenges at short distances","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Sophie Mutzel","submitted_at":"2024-01-08T17:40:13Z","abstract_excerpt":"The electromagnetic coupling constant, $\\alpha$, is one of the fundamental parameters of the Standard Model (SM). Its value at the Z boson mass, $\\alpha(M_Z)$, is of particular interest as it enters electroweak precision tests. When running $\\alpha$ from low energies up to the Z mass, five orders of magnitude in precision are lost. This makes it one of the least well determined parameters of the SM at that scale. The largest source of error comes from non-perturbative hadronic effects in the low energy region. These non-perturbative effects can be determined from ab-initio calculations in latt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.04049","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.04049/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":"2026-07-05T07:31:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BlneXvBaCaI/Hj6c7NINuQeeWmc9AgYEJhamQKyjQ677hzZMNYzPQS4pgPs5pPfv5qYQ7hxst2aze77nGgz4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:26:52.303949Z"},"content_sha256":"8eb410626320cd2f429daa94810a9f0e4419d6603e00d6581926eb51489598d9","schema_version":"1.0","event_id":"sha256:8eb410626320cd2f429daa94810a9f0e4419d6603e00d6581926eb51489598d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4IVWBZXR5GCSC6GTT7BLNODCGG/bundle.json","state_url":"https://pith.science/pith/4IVWBZXR5GCSC6GTT7BLNODCGG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4IVWBZXR5GCSC6GTT7BLNODCGG/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":"2026-08-06T04:26:52Z","links":{"resolver":"https://pith.science/pith/4IVWBZXR5GCSC6GTT7BLNODCGG","bundle":"https://pith.science/pith/4IVWBZXR5GCSC6GTT7BLNODCGG/bundle.json","state":"https://pith.science/pith/4IVWBZXR5GCSC6GTT7BLNODCGG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4IVWBZXR5GCSC6GTT7BLNODCGG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:4IVWBZXR5GCSC6GTT7BLNODCGG","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":"9a2deb50587e22dab879b8e86fc5ac2dce9609b5b92b90e58caf984102f2d005","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2024-01-08T17:40:13Z","title_canon_sha256":"a01db07b3fb17d51ec78ede29ca10615ec2494dabfd922af5ea2ad0d8e7ef413"},"schema_version":"1.0","source":{"id":"2401.04049","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.04049","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"arxiv_version","alias_value":"2401.04049v1","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.04049","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"pith_short_12","alias_value":"4IVWBZXR5GCS","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"pith_short_16","alias_value":"4IVWBZXR5GCSC6GT","created_at":"2026-07-05T07:31:23Z"},{"alias_kind":"pith_short_8","alias_value":"4IVWBZXR","created_at":"2026-07-05T07:31:23Z"}],"graph_snapshots":[{"event_id":"sha256:8eb410626320cd2f429daa94810a9f0e4419d6603e00d6581926eb51489598d9","target":"graph","created_at":"2026-07-05T07:31:23Z","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/2401.04049/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The electromagnetic coupling constant, $\\alpha$, is one of the fundamental parameters of the Standard Model (SM). Its value at the Z boson mass, $\\alpha(M_Z)$, is of particular interest as it enters electroweak precision tests. When running $\\alpha$ from low energies up to the Z mass, five orders of magnitude in precision are lost. This makes it one of the least well determined parameters of the SM at that scale. The largest source of error comes from non-perturbative hadronic effects in the low energy region. These non-perturbative effects can be determined from ab-initio calculations in latt","authors_text":"Sophie Mutzel","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2024-01-08T17:40:13Z","title":"Hadronic contribution to the running of the electromagnetic coupling constant from lattice QCD: challenges at short distances"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.04049","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":"sha256:6f1b92bcfaf23b76b0fb629f4c407523d987ee088e19b66f41bed75f29ced966","target":"record","created_at":"2026-07-05T07:31:23Z","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":"9a2deb50587e22dab879b8e86fc5ac2dce9609b5b92b90e58caf984102f2d005","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2024-01-08T17:40:13Z","title_canon_sha256":"a01db07b3fb17d51ec78ede29ca10615ec2494dabfd922af5ea2ad0d8e7ef413"},"schema_version":"1.0","source":{"id":"2401.04049","kind":"arxiv","version":1}},"canonical_sha256":"e22b60e6f1e9852178d39fc2b6b86231ababf7f47c42177d4d224ae4c797688c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e22b60e6f1e9852178d39fc2b6b86231ababf7f47c42177d4d224ae4c797688c","first_computed_at":"2026-07-05T07:31:23.204441Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:31:23.204441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xiaC4N/oGSR57b0BILw5U48B7LxiueawK/y/N0q5YW6CeIFDC87IObuZyrnykqL4fA7oTzIxbiAq8TgtNUmaDA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:31:23.204945Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.04049","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f1b92bcfaf23b76b0fb629f4c407523d987ee088e19b66f41bed75f29ced966","sha256:8eb410626320cd2f429daa94810a9f0e4419d6603e00d6581926eb51489598d9"],"state_sha256":"473f9b865ca497dbc445ad13da6282a54197a5219917b22c1d6629e868213725"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YMTX/3v6dFLzkAbiwED6pmFmB+basx+KyRCELWiZ91zw5AOFbYQ6cdmzOH40QQ7HB3GyMcUNcgUJ7EabvuPWCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:26:52.307946Z","bundle_sha256":"45582049b048f564e574729fd2b6af387c67e572ef9ad3c60ff754073e14520b"}}