{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:ZQYM3BBXYTY4KA4A3RTYH36SKM","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":"3a1ac18a6cf05c69996807992950eb760409f3d9f1927acc1c4aac52d64eeb62","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-04-21T11:24:39Z","title_canon_sha256":"cd4757b9f8fb4760af67cef98f1d4bffa4957d9306e8cec49e180bdaa35b2c87"},"schema_version":"1.0","source":{"id":"hep-ph/0504192","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0504192","created_at":"2026-07-04T17:20:47Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0504192v1","created_at":"2026-07-04T17:20:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0504192","created_at":"2026-07-04T17:20:47Z"},{"alias_kind":"pith_short_12","alias_value":"ZQYM3BBXYTY4","created_at":"2026-07-04T17:20:47Z"},{"alias_kind":"pith_short_16","alias_value":"ZQYM3BBXYTY4KA4A","created_at":"2026-07-04T17:20:47Z"},{"alias_kind":"pith_short_8","alias_value":"ZQYM3BBX","created_at":"2026-07-04T17:20:47Z"}],"graph_snapshots":[{"event_id":"sha256:88b170d19276b54cdedc5abc8d0570f301e7e25a72f004e466dcf62fe9f884c9","target":"graph","created_at":"2026-07-04T17:20:47Z","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/hep-ph/0504192/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In analogy with parton distribution functions, also parton fragmentation functions obey matching conditions when crossing heavy-flavour thresholds. We compute these matching conditions at next-to-leading order in the strong coupling constant alpha_s in the MSbar scheme. Our results can be used for the dynamical generation of the heavy-flavour component in next-to-leading order fits to light-hadrons fragmentation functions. Furthermore, when computing perturbatively the charm fragmentation function from first principles and evolving it to higher scales, our matching conditions should be used fo","authors_text":"Carlo Oleari, Matteo Cacciari, Paolo Nason","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2005-04-21T11:24:39Z","title":"Crossing Heavy-Flavour Thresholds in Fragmentation Functions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0504192","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":"sha256:283070c05652d181b9cdb3ca8437c893c376512c8b0982cd6b538bf2d4027bdd","target":"record","created_at":"2026-07-04T17:20:47Z","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":"3a1ac18a6cf05c69996807992950eb760409f3d9f1927acc1c4aac52d64eeb62","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-04-21T11:24:39Z","title_canon_sha256":"cd4757b9f8fb4760af67cef98f1d4bffa4957d9306e8cec49e180bdaa35b2c87"},"schema_version":"1.0","source":{"id":"hep-ph/0504192","kind":"arxiv","version":1}},"canonical_sha256":"cc30cd8437c4f1c50380dc6783efd2530b8c81727808efe5e5d3cc4e61fd1989","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cc30cd8437c4f1c50380dc6783efd2530b8c81727808efe5e5d3cc4e61fd1989","first_computed_at":"2026-07-04T17:20:47.848081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:20:47.848081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/CKsDP/xAEBJf9OdJAscEBp6anQIJgePQSe1C6sDdTKZOIvvhwNYLFq3o1ATax/4BiAS4gGJmxsyW1hDT47iBw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:20:47.848486Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0504192","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:283070c05652d181b9cdb3ca8437c893c376512c8b0982cd6b538bf2d4027bdd","sha256:88b170d19276b54cdedc5abc8d0570f301e7e25a72f004e466dcf62fe9f884c9"],"state_sha256":"cae93c9da4f2297b3de4ee427df8c74d9e703ad3119413d20290abb3a2c504f0"}