{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:7EMIVD7BVCW4TWHIJTZH7GQXMW","short_pith_number":"pith:7EMIVD7B","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"},"canonical_sha256":"f9188a8fe1a8adc9d8e84cf27f9a17659c995b9b5323a63f46166e05912f2ef5","source":{"kind":"arxiv","id":"2105.11306","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.11306","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"arxiv_version","alias_value":"2105.11306v1","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.11306","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"pith_short_12","alias_value":"7EMIVD7BVCW4","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"pith_short_16","alias_value":"7EMIVD7BVCW4TWHI","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"pith_short_8","alias_value":"7EMIVD7B","created_at":"2026-07-05T03:16:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:7EMIVD7BVCW4TWHIJTZH7GQXMW","target":"record","payload":{"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"},"canonical_sha256":"f9188a8fe1a8adc9d8e84cf27f9a17659c995b9b5323a63f46166e05912f2ef5","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"},"source_kind":"arxiv","source_id":"2105.11306","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":"2026-07-05T03:16:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VsycB1Ha1yFTWRH3n+dJR/gVRZe3suOoCb6pFk6rRS66Ze4fsDIfdqUoOTDfEYtHnXN/PwZKigMVXVVGoZbkBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:08:58.509930Z"},"content_sha256":"a89cd4a58b60783681d5f1be712bfa0b1d2d3863850b3b531a577e0a15c8ebfd","schema_version":"1.0","event_id":"sha256:a89cd4a58b60783681d5f1be712bfa0b1d2d3863850b3b531a577e0a15c8ebfd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:7EMIVD7BVCW4TWHIJTZH7GQXMW","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:16:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogGoMvLgv6C1aObzz6X8cRVNcFbWNBjb7QLUa7xrU0SSTqGM9CICBGrYxw0dLg6UbvNDLUleVjxKWTGIBNpfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:08:58.510721Z"},"content_sha256":"a8342c1513aeebd4f7ad842daa8b0e2c03f0dc2da70001e1330e8642b0a267e0","schema_version":"1.0","event_id":"sha256:a8342c1513aeebd4f7ad842daa8b0e2c03f0dc2da70001e1330e8642b0a267e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/bundle.json","state_url":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/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":"2026-08-04T03:08:58Z","links":{"resolver":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW","bundle":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/bundle.json","state":"https://pith.science/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7EMIVD7BVCW4TWHIJTZH7GQXMW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:7EMIVD7BVCW4TWHIJTZH7GQXMW","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":"3341eda731aea015bbdfb970bc1ad2ede357243d320409bc01b8f78d0edece8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T14:41:36Z","title_canon_sha256":"1070b8897fa753c1b484d8e414505d02f08ab72db19f4990a714826ed8288d51"},"schema_version":"1.0","source":{"id":"2105.11306","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.11306","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"arxiv_version","alias_value":"2105.11306v1","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.11306","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"pith_short_12","alias_value":"7EMIVD7BVCW4","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"pith_short_16","alias_value":"7EMIVD7BVCW4TWHI","created_at":"2026-07-05T03:16:16Z"},{"alias_kind":"pith_short_8","alias_value":"7EMIVD7B","created_at":"2026-07-05T03:16:16Z"}],"graph_snapshots":[{"event_id":"sha256:a8342c1513aeebd4f7ad842daa8b0e2c03f0dc2da70001e1330e8642b0a267e0","target":"graph","created_at":"2026-07-05T03:16:16Z","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/2105.11306/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","authors_text":"Agnieszka Luszczak, Alexander Glazov, Francesco Giuli, Fredrick Olness, Hamzeh Khanpour, Maryam Soleymaninia, Oleksandr Zenaiev, Simone Amoroso, xFitter Collaboration: Hamed Abdolmaleki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T14:41:36Z","title":"QCD analysis of pion fragmentation functions in the xFitter framework"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.11306","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:a89cd4a58b60783681d5f1be712bfa0b1d2d3863850b3b531a577e0a15c8ebfd","target":"record","created_at":"2026-07-05T03:16:16Z","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":"3341eda731aea015bbdfb970bc1ad2ede357243d320409bc01b8f78d0edece8e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T14:41:36Z","title_canon_sha256":"1070b8897fa753c1b484d8e414505d02f08ab72db19f4990a714826ed8288d51"},"schema_version":"1.0","source":{"id":"2105.11306","kind":"arxiv","version":1}},"canonical_sha256":"f9188a8fe1a8adc9d8e84cf27f9a17659c995b9b5323a63f46166e05912f2ef5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f9188a8fe1a8adc9d8e84cf27f9a17659c995b9b5323a63f46166e05912f2ef5","first_computed_at":"2026-07-05T03:16:16.643833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:16:16.643833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XcR6ipyXFNPSG1/v/zcJszmFwji7Dm8R4EqHpjxiD+ARGwCyDdfYU+EVcnpddxC+nD6atJeOfxa0cyc3Oxf+DA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:16:16.644351Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.11306","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a89cd4a58b60783681d5f1be712bfa0b1d2d3863850b3b531a577e0a15c8ebfd","sha256:a8342c1513aeebd4f7ad842daa8b0e2c03f0dc2da70001e1330e8642b0a267e0"],"state_sha256":"b2f59cf091326e184e7a94c3c259f0029940bda6e81f5a1ab18a16315b46fe5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gaGA+KSxEzAGEardFl82z6hmjTfBbCMrKrrVotcFxG3fNKcCHvMEUcY96Otf/J2ibeTj9vQj4reejKV76WcPAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T03:08:58.515545Z","bundle_sha256":"a2aba15206b335e6b89f371963bba1eef6c7f64c7c3a4e1bd308e974d2fd8298"}}