{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:7EMIVD7BVCW4TWHIJTZH7GQXMW","short_pith_number":"pith:7EMIVD7B","schema_version":"1.0","canonical_sha256":"f9188a8fe1a8adc9d8e84cf27f9a17659c995b9b5323a63f46166e05912f2ef5","source":{"kind":"arxiv","id":"2105.11306","version":1},"attestation_state":"computed","paper":{"title":"QCD analysis of pion fragmentation functions in the xFitter framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Agnieszka Luszczak, Alexander Glazov, Francesco Giuli, Fredrick Olness, Hamzeh Khanpour, Maryam Soleymaninia, Oleksandr Zenaiev, Simone Amoroso, xFitter Collaboration: Hamed Abdolmaleki","submitted_at":"2021-05-24T14:41:36Z","abstract_excerpt":"We present the first open-source analysis of fragmentation functions (FFs) of charged pions (entitled IPM-xFitter) computed at next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) accuracy in perturbative QCD using the xFitter framework. This study incorporates a comprehensive and up-to-date set of pion production data from single-inclusive annihilation (SIA) processes, as well as the most recent measurements of inclusive cross-sections of single pion by the BELLE collaboration. The determination of pion FFs along with their theoretical uncertainties is performed in the Zero-Ma"},"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":"2105.11306","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T14:41:36Z","cross_cats_sorted":[],"title_canon_sha256":"1070b8897fa753c1b484d8e414505d02f08ab72db19f4990a714826ed8288d51","abstract_canon_sha256":"3341eda731aea015bbdfb970bc1ad2ede357243d320409bc01b8f78d0edece8e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:16:16.644351Z","signature_b64":"XcR6ipyXFNPSG1/v/zcJszmFwji7Dm8R4EqHpjxiD+ARGwCyDdfYU+EVcnpddxC+nD6atJeOfxa0cyc3Oxf+DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9188a8fe1a8adc9d8e84cf27f9a17659c995b9b5323a63f46166e05912f2ef5","last_reissued_at":"2026-07-05T03:16:16.643833Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:16:16.643833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"QCD analysis of pion fragmentation functions in the xFitter framework","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Agnieszka Luszczak, Alexander Glazov, Francesco Giuli, Fredrick Olness, Hamzeh Khanpour, Maryam Soleymaninia, Oleksandr Zenaiev, Simone Amoroso, xFitter Collaboration: Hamed Abdolmaleki","submitted_at":"2021-05-24T14:41:36Z","abstract_excerpt":"We present the first open-source analysis of fragmentation functions (FFs) of charged pions (entitled IPM-xFitter) computed at next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) accuracy in perturbative QCD using the xFitter framework. This study incorporates a comprehensive and up-to-date set of pion production data from single-inclusive annihilation (SIA) processes, as well as the most recent measurements of inclusive cross-sections of single pion by the BELLE collaboration. The determination of pion FFs along with their theoretical uncertainties is performed in the Zero-Ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.11306","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/2105.11306/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2105.11306","created_at":"2026-07-05T03:16:16.643891+00:00"},{"alias_kind":"arxiv_version","alias_value":"2105.11306v1","created_at":"2026-07-05T03:16:16.643891+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.11306","created_at":"2026-07-05T03:16:16.643891+00:00"},{"alias_kind":"pith_short_12","alias_value":"7EMIVD7BVCW4","created_at":"2026-07-05T03:16:16.643891+00:00"},{"alias_kind":"pith_short_16","alias_value":"7EMIVD7BVCW4TWHI","created_at":"2026-07-05T03:16:16.643891+00:00"},{"alias_kind":"pith_short_8","alias_value":"7EMIVD7B","created_at":"2026-07-05T03:16:16.643891+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW","json":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW.json","graph_json":"https://pith.science/api/pith-number/7EMIVD7BVCW4TWHIJTZH7GQXMW/graph.json","events_json":"https://pith.science/api/pith-number/7EMIVD7BVCW4TWHIJTZH7GQXMW/events.json","paper":"https://pith.science/paper/7EMIVD7B"},"agent_actions":{"view_html":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW","download_json":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW.json","view_paper":"https://pith.science/paper/7EMIVD7B","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2105.11306&json=true","fetch_graph":"https://pith.science/api/pith-number/7EMIVD7BVCW4TWHIJTZH7GQXMW/graph.json","fetch_events":"https://pith.science/api/pith-number/7EMIVD7BVCW4TWHIJTZH7GQXMW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/action/storage_attestation","attest_author":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/action/author_attestation","sign_citation":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/action/citation_signature","submit_replication":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/action/replication_record"}},"created_at":"2026-07-05T03:16:16.643891+00:00","updated_at":"2026-07-05T03:16:16.643891+00:00"}