{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TXPBUUSRY6CSWALJGQTJRLJOD3","short_pith_number":"pith:TXPBUUSR","canonical_record":{"source":{"id":"1102.3182","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-02-15T21:00:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1185481120514e89b943232e701e04bf5def9c208036a96b040a5456ea847e45","abstract_canon_sha256":"7907fe28dbf2ca2752a6f7bbc5beeffe19afc57835f237411a1c19ab7b551beb"},"schema_version":"1.0"},"canonical_sha256":"9dde1a5251c7852b0169342698ad2e1ec16539f60bad75786da3cc480ca3cf34","source":{"kind":"arxiv","id":"1102.3182","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.3182","created_at":"2026-05-18T04:12:54Z"},{"alias_kind":"arxiv_version","alias_value":"1102.3182v2","created_at":"2026-05-18T04:12:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.3182","created_at":"2026-05-18T04:12:54Z"},{"alias_kind":"pith_short_12","alias_value":"TXPBUUSRY6CS","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TXPBUUSRY6CSWALJ","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TXPBUUSR","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TXPBUUSRY6CSWALJGQTJRLJOD3","target":"record","payload":{"canonical_record":{"source":{"id":"1102.3182","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-02-15T21:00:00Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1185481120514e89b943232e701e04bf5def9c208036a96b040a5456ea847e45","abstract_canon_sha256":"7907fe28dbf2ca2752a6f7bbc5beeffe19afc57835f237411a1c19ab7b551beb"},"schema_version":"1.0"},"canonical_sha256":"9dde1a5251c7852b0169342698ad2e1ec16539f60bad75786da3cc480ca3cf34","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:12:54.709365Z","signature_b64":"aiVE6lMAok+MfAIpY7Hi07SQM/WvIReEB2M/3fyyLEHtb8hQXAA+vhHAtN/tYUGGkfEkzQs7+Bizt4xIrinDAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9dde1a5251c7852b0169342698ad2e1ec16539f60bad75786da3cc480ca3cf34","last_reissued_at":"2026-05-18T04:12:54.708791Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:12:54.708791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.3182","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":"2026-05-18T04:12:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kFvg5xnIGmUX+GUV83n8wioeqMC9tLQyEBB755t4ysi1rcM/K4aE8HK6lsmgPbNMdxYvKacUMOl+0bLqWNSWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:03:28.898106Z"},"content_sha256":"063d39a2e08951301311c39525a2c2d031c4a845ae1c99cb6e0d0fc19ccaad2f","schema_version":"1.0","event_id":"sha256:063d39a2e08951301311c39525a2c2d031c4a845ae1c99cb6e0d0fc19ccaad2f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TXPBUUSRY6CSWALJGQTJRLJOD3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Impact of NMC Data on NLO and NNLO Parton Distributions and Higgs Production at the Tevatron and the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alberto Guffanti, Francesco Cerutti, Jose I. Latorre, Juan Rojo, Luigi Del Debbio, Maria Ubiali, Stefano Forte, The NNPDF Collaboration: Richard D. Ball, Valerio Bertone","submitted_at":"2011-02-15T21:00:00Z","abstract_excerpt":"We discuss the impact of the treatment of NMC structure function data on parton distributions in the context of the NNPDF2.1 global PDF determination at NLO and NNLO. We show that the way these data are treated, and even their complete removal, has no effect on parton distributions at NLO, and at NNLO has an effect which is below one sigma. In particular, the Higgs production cross-section in the gluon fusion channel is very stable."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.3182","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":""},"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":"2026-05-18T04:12:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+ZQsxLovJRwijcL+ZJLm26JiuetjXsZP5HE0OV0FD6L8lrr+d+0+HHpgZ8mtepl2u+BdRqlIIE0amMCZEgdSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:03:28.898862Z"},"content_sha256":"281c312996c17b3e5f525a65f84816223dc61549b71d2053ff5990ed2c821eea","schema_version":"1.0","event_id":"sha256:281c312996c17b3e5f525a65f84816223dc61549b71d2053ff5990ed2c821eea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TXPBUUSRY6CSWALJGQTJRLJOD3/bundle.json","state_url":"https://pith.science/pith/TXPBUUSRY6CSWALJGQTJRLJOD3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TXPBUUSRY6CSWALJGQTJRLJOD3/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":"2026-05-28T21:03:28Z","links":{"resolver":"https://pith.science/pith/TXPBUUSRY6CSWALJGQTJRLJOD3","bundle":"https://pith.science/pith/TXPBUUSRY6CSWALJGQTJRLJOD3/bundle.json","state":"https://pith.science/pith/TXPBUUSRY6CSWALJGQTJRLJOD3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TXPBUUSRY6CSWALJGQTJRLJOD3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TXPBUUSRY6CSWALJGQTJRLJOD3","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":"7907fe28dbf2ca2752a6f7bbc5beeffe19afc57835f237411a1c19ab7b551beb","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-02-15T21:00:00Z","title_canon_sha256":"1185481120514e89b943232e701e04bf5def9c208036a96b040a5456ea847e45"},"schema_version":"1.0","source":{"id":"1102.3182","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.3182","created_at":"2026-05-18T04:12:54Z"},{"alias_kind":"arxiv_version","alias_value":"1102.3182v2","created_at":"2026-05-18T04:12:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.3182","created_at":"2026-05-18T04:12:54Z"},{"alias_kind":"pith_short_12","alias_value":"TXPBUUSRY6CS","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TXPBUUSRY6CSWALJ","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TXPBUUSR","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:281c312996c17b3e5f525a65f84816223dc61549b71d2053ff5990ed2c821eea","target":"graph","created_at":"2026-05-18T04:12:54Z","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":"We discuss the impact of the treatment of NMC structure function data on parton distributions in the context of the NNPDF2.1 global PDF determination at NLO and NNLO. We show that the way these data are treated, and even their complete removal, has no effect on parton distributions at NLO, and at NNLO has an effect which is below one sigma. In particular, the Higgs production cross-section in the gluon fusion channel is very stable.","authors_text":"Alberto Guffanti, Francesco Cerutti, Jose I. Latorre, Juan Rojo, Luigi Del Debbio, Maria Ubiali, Stefano Forte, The NNPDF Collaboration: Richard D. Ball, Valerio Bertone","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-02-15T21:00:00Z","title":"On the Impact of NMC Data on NLO and NNLO Parton Distributions and Higgs Production at the Tevatron and the LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.3182","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":"sha256:063d39a2e08951301311c39525a2c2d031c4a845ae1c99cb6e0d0fc19ccaad2f","target":"record","created_at":"2026-05-18T04:12:54Z","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":"7907fe28dbf2ca2752a6f7bbc5beeffe19afc57835f237411a1c19ab7b551beb","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-02-15T21:00:00Z","title_canon_sha256":"1185481120514e89b943232e701e04bf5def9c208036a96b040a5456ea847e45"},"schema_version":"1.0","source":{"id":"1102.3182","kind":"arxiv","version":2}},"canonical_sha256":"9dde1a5251c7852b0169342698ad2e1ec16539f60bad75786da3cc480ca3cf34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9dde1a5251c7852b0169342698ad2e1ec16539f60bad75786da3cc480ca3cf34","first_computed_at":"2026-05-18T04:12:54.708791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:12:54.708791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aiVE6lMAok+MfAIpY7Hi07SQM/WvIReEB2M/3fyyLEHtb8hQXAA+vhHAtN/tYUGGkfEkzQs7+Bizt4xIrinDAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:12:54.709365Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.3182","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:063d39a2e08951301311c39525a2c2d031c4a845ae1c99cb6e0d0fc19ccaad2f","sha256:281c312996c17b3e5f525a65f84816223dc61549b71d2053ff5990ed2c821eea"],"state_sha256":"8f05a083f83a9558b705618826e49c5ad6b2a5c2ec2a47d7a2a51d91a1fec571"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8TbEB5Hh9lHoIgZdpFhvs66V7E6DVHFDCzOQHxPdJ9al/emYZ2bSUYTPbg1CYs0h77MnalF8nsvMeZ90lORkDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:03:28.902717Z","bundle_sha256":"5a3268a40925c62b181ec271ce2f04c34764ccf25f748b778f7af258b40430bf"}}