{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:A6DDVLWINE4RZWG74MMTLNMXVN","short_pith_number":"pith:A6DDVLWI","canonical_record":{"source":{"id":"2205.00137","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-04-30T03:05:04Z","cross_cats_sorted":[],"title_canon_sha256":"626e51886c30e4759421864ce77705a93d57b1518fc045e39f6f4c935461af47","abstract_canon_sha256":"995622b9bc829183a9bf5342be7ae38a03768ad1eb4917bc8e6e474e1cc97e23"},"schema_version":"1.0"},"canonical_sha256":"07863aaec869391cd8dfe31935b597ab6f6e1ba2c70ff0453d9cefd267cfca66","source":{"kind":"arxiv","id":"2205.00137","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.00137","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"arxiv_version","alias_value":"2205.00137v2","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.00137","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"pith_short_12","alias_value":"A6DDVLWINE4R","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"pith_short_16","alias_value":"A6DDVLWINE4RZWG7","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"pith_short_8","alias_value":"A6DDVLWI","created_at":"2026-07-05T06:20:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:A6DDVLWINE4RZWG74MMTLNMXVN","target":"record","payload":{"canonical_record":{"source":{"id":"2205.00137","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-04-30T03:05:04Z","cross_cats_sorted":[],"title_canon_sha256":"626e51886c30e4759421864ce77705a93d57b1518fc045e39f6f4c935461af47","abstract_canon_sha256":"995622b9bc829183a9bf5342be7ae38a03768ad1eb4917bc8e6e474e1cc97e23"},"schema_version":"1.0"},"canonical_sha256":"07863aaec869391cd8dfe31935b597ab6f6e1ba2c70ff0453d9cefd267cfca66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:20:17.417340Z","signature_b64":"l570T6ZSJldOJzWNRPpdqf+C3O+0Zz6rKeAwoWRtFiBAeR1/g1aAXgHf1OLBhN7FvXMCWoBQ1/dQhV/uH7BcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07863aaec869391cd8dfe31935b597ab6f6e1ba2c70ff0453d9cefd267cfca66","last_reissued_at":"2026-07-05T06:20:17.416845Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:20:17.416845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.00137","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:20:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"elR/aTjoPUiqoBwkTButk7JIHl2sxvyhxmtcoCdi0Xxgjn+oOxI5CKzcoXY7YQjRl8TEEtDd8A7KjXOE3bNBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:35:50.936888Z"},"content_sha256":"832de9c3a36af6c0c6d451aa2c744b3248f05742d4d2db1fd1e46a892095ba34","schema_version":"1.0","event_id":"sha256:832de9c3a36af6c0c6d451aa2c744b3248f05742d4d2db1fd1e46a892095ba34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:A6DDVLWINE4RZWG74MMTLNMXVN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A CT18 global PDF fit at the leading order in QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C.-P. Yuan, Mengshi Yan, Pavel Nadolsky, Tie-Jiun Hou","submitted_at":"2022-04-30T03:05:04Z","abstract_excerpt":"In this paper, we present a CT18 PDFs fitted with Leading-Order QCD perturbation theory. The CT18 LO PDFs is obtained within the general CT18 framework, along with two additional treatments being imposed to improve the quality of the fit. We take the $W$-boson charge asymmetry and inclusive single-top production at LHC as examples to illustrate the implication of the CT18 LO PDFs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.00137","kind":"arxiv","version":2},"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/2205.00137/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":"2026-07-05T06:20:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C8VvwgOPARgEWCWLS1ZAiQzVu2XBJiew1sPCBCNqDop7fXf3mkGlTVHol0NStMiZ+ZAqypcPGJ/m6xEuIVFRBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:35:50.937454Z"},"content_sha256":"9bf61addd81eb30e2739ea7c99df631cc66b0693576c748170d2f365de72d3d4","schema_version":"1.0","event_id":"sha256:9bf61addd81eb30e2739ea7c99df631cc66b0693576c748170d2f365de72d3d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A6DDVLWINE4RZWG74MMTLNMXVN/bundle.json","state_url":"https://pith.science/pith/A6DDVLWINE4RZWG74MMTLNMXVN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A6DDVLWINE4RZWG74MMTLNMXVN/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":"2026-08-03T20:35:50Z","links":{"resolver":"https://pith.science/pith/A6DDVLWINE4RZWG74MMTLNMXVN","bundle":"https://pith.science/pith/A6DDVLWINE4RZWG74MMTLNMXVN/bundle.json","state":"https://pith.science/pith/A6DDVLWINE4RZWG74MMTLNMXVN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A6DDVLWINE4RZWG74MMTLNMXVN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:A6DDVLWINE4RZWG74MMTLNMXVN","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":"995622b9bc829183a9bf5342be7ae38a03768ad1eb4917bc8e6e474e1cc97e23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-04-30T03:05:04Z","title_canon_sha256":"626e51886c30e4759421864ce77705a93d57b1518fc045e39f6f4c935461af47"},"schema_version":"1.0","source":{"id":"2205.00137","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.00137","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"arxiv_version","alias_value":"2205.00137v2","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.00137","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"pith_short_12","alias_value":"A6DDVLWINE4R","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"pith_short_16","alias_value":"A6DDVLWINE4RZWG7","created_at":"2026-07-05T06:20:17Z"},{"alias_kind":"pith_short_8","alias_value":"A6DDVLWI","created_at":"2026-07-05T06:20:17Z"}],"graph_snapshots":[{"event_id":"sha256:9bf61addd81eb30e2739ea7c99df631cc66b0693576c748170d2f365de72d3d4","target":"graph","created_at":"2026-07-05T06:20:17Z","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/2205.00137/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we present a CT18 PDFs fitted with Leading-Order QCD perturbation theory. The CT18 LO PDFs is obtained within the general CT18 framework, along with two additional treatments being imposed to improve the quality of the fit. We take the $W$-boson charge asymmetry and inclusive single-top production at LHC as examples to illustrate the implication of the CT18 LO PDFs.","authors_text":"C.-P. Yuan, Mengshi Yan, Pavel Nadolsky, Tie-Jiun Hou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-04-30T03:05:04Z","title":"A CT18 global PDF fit at the leading order in QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.00137","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":"sha256:832de9c3a36af6c0c6d451aa2c744b3248f05742d4d2db1fd1e46a892095ba34","target":"record","created_at":"2026-07-05T06:20:17Z","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":"995622b9bc829183a9bf5342be7ae38a03768ad1eb4917bc8e6e474e1cc97e23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-04-30T03:05:04Z","title_canon_sha256":"626e51886c30e4759421864ce77705a93d57b1518fc045e39f6f4c935461af47"},"schema_version":"1.0","source":{"id":"2205.00137","kind":"arxiv","version":2}},"canonical_sha256":"07863aaec869391cd8dfe31935b597ab6f6e1ba2c70ff0453d9cefd267cfca66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07863aaec869391cd8dfe31935b597ab6f6e1ba2c70ff0453d9cefd267cfca66","first_computed_at":"2026-07-05T06:20:17.416845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:20:17.416845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l570T6ZSJldOJzWNRPpdqf+C3O+0Zz6rKeAwoWRtFiBAeR1/g1aAXgHf1OLBhN7FvXMCWoBQ1/dQhV/uH7BcDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:20:17.417340Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.00137","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:832de9c3a36af6c0c6d451aa2c744b3248f05742d4d2db1fd1e46a892095ba34","sha256:9bf61addd81eb30e2739ea7c99df631cc66b0693576c748170d2f365de72d3d4"],"state_sha256":"45da7cd3d70756f9d01bb26a1d13a427a2814bee559914d379b5660a5ad5df44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9fprBouhylQTRIK9ohQy/CiR5dTuoLPIC+TqXem47FNDrXNQH8s0c0NwNCSfbt0ke0Xq2TgCitLr4AL7MFQrAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T20:35:50.942694Z","bundle_sha256":"9b38e46327b66c9da0d53ed0532dc45538a584bb38bc261fb53bccb3f134d8e5"}}