{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RGYAZHF5KAH6BAUENYFBA3ZBQS","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":"ced599cb8c556cf7e91c3d3edcc92a4a1fcc3e295033d382e68d7afeef7bc121","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-24T16:03:14Z","title_canon_sha256":"d36dd0b28825145ba2b06c4e9b6cee5c5128c7432efd258ca59a63f33d1f896d"},"schema_version":"1.0","source":{"id":"1606.07737","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.07737","created_at":"2026-05-18T00:54:35Z"},{"alias_kind":"arxiv_version","alias_value":"1606.07737v2","created_at":"2026-05-18T00:54:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.07737","created_at":"2026-05-18T00:54:35Z"},{"alias_kind":"pith_short_12","alias_value":"RGYAZHF5KAH6","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RGYAZHF5KAH6BAUE","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RGYAZHF5","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:0d33e9f3071d711ab049cb57da60422a53ee2e53f101d860131da9dd4ad7963a","target":"graph","created_at":"2026-05-18T00:54:35Z","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":"Using an approach based on Soft Collinear Effective Theory (SCET) and Heavy Quark Effective Theory (HQET) we determine the $b$-quark fragmentation function from electron-positron annihilation data at the $Z$-boson peak at next-to-next-to leading order, with next-to-next-to leading log resummation of DGLAP logarithms, and next-to-next-to-next-to leading log resummation of endpoint logarithms. This analysis improves, by one order, the previous extraction of the $b$-quark fragmentation function. We find that while the addition of the next order in the calculation does not much shift the extracted","authors_text":"Chul Kim, Emanuele Mereghetti, Michael Fickinger, Sean Fleming","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-24T16:03:14Z","title":"Effective field theory approach to heavy quark fragmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.07737","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:c89c36e9b6e79d11d3093d1508d79e4ba148d28fe92bbf89632f51bacd31ac37","target":"record","created_at":"2026-05-18T00:54:35Z","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":"ced599cb8c556cf7e91c3d3edcc92a4a1fcc3e295033d382e68d7afeef7bc121","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-24T16:03:14Z","title_canon_sha256":"d36dd0b28825145ba2b06c4e9b6cee5c5128c7432efd258ca59a63f33d1f896d"},"schema_version":"1.0","source":{"id":"1606.07737","kind":"arxiv","version":2}},"canonical_sha256":"89b00c9cbd500fe082846e0a106f2184aed2d07c7775ae611e4abfdd54093506","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89b00c9cbd500fe082846e0a106f2184aed2d07c7775ae611e4abfdd54093506","first_computed_at":"2026-05-18T00:54:35.905270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:35.905270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PHugk/FJe+CWnOfvhma1pSdqS18l3FqVQankCrwT4uOcp3xUrnuXkfYFDjrFPoiW4rXPwaKLy/v+t+zkX9hNAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:35.905876Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.07737","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c89c36e9b6e79d11d3093d1508d79e4ba148d28fe92bbf89632f51bacd31ac37","sha256:0d33e9f3071d711ab049cb57da60422a53ee2e53f101d860131da9dd4ad7963a"],"state_sha256":"b9548f667e8804f3fed47edc08c9b199ce24c3862ccd53c972da5ca933c9d6fe"}