{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:74CV5TU73PR5BWMRUIN2LKJV35","short_pith_number":"pith:74CV5TU7","canonical_record":{"source":{"id":"1108.4008","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-19T17:11:41Z","cross_cats_sorted":[],"title_canon_sha256":"7c63dd3a4930b338be7e47a7e653fdf7c42598c80649ea18322410a5d5c2d4d3","abstract_canon_sha256":"9a41643bc7af7c5be2bfc845fba59878e3ee647878fb5164aa18ac0de46034ca"},"schema_version":"1.0"},"canonical_sha256":"ff055ece9fdbe3d0d991a21ba5a935df4c6743cc93f0b0e3393bb39565882717","source":{"kind":"arxiv","id":"1108.4008","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4008","created_at":"2026-05-18T04:15:05Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4008v1","created_at":"2026-05-18T04:15:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4008","created_at":"2026-05-18T04:15:05Z"},{"alias_kind":"pith_short_12","alias_value":"74CV5TU73PR5","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"74CV5TU73PR5BWMR","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"74CV5TU7","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:74CV5TU73PR5BWMRUIN2LKJV35","target":"record","payload":{"canonical_record":{"source":{"id":"1108.4008","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-19T17:11:41Z","cross_cats_sorted":[],"title_canon_sha256":"7c63dd3a4930b338be7e47a7e653fdf7c42598c80649ea18322410a5d5c2d4d3","abstract_canon_sha256":"9a41643bc7af7c5be2bfc845fba59878e3ee647878fb5164aa18ac0de46034ca"},"schema_version":"1.0"},"canonical_sha256":"ff055ece9fdbe3d0d991a21ba5a935df4c6743cc93f0b0e3393bb39565882717","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:05.715810Z","signature_b64":"G1oW13LR5y/CsPTQzpw7tfTfRNpLknoJRz1wP7ux2qunoODeUbKcqzaLJ31ofNW7F5fHGnf1omMaWSiWgjSOCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff055ece9fdbe3d0d991a21ba5a935df4c6743cc93f0b0e3393bb39565882717","last_reissued_at":"2026-05-18T04:15:05.715360Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:05.715360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.4008","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":"2026-05-18T04:15:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z0+7xBz2TV2djbiJ4bxDeWn6mLe6krxc+tuxxX0hGn4/Joahg0+VRYUUp4myzGxQ3K0O1x95qDy7x8lnudy8Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T18:15:55.907305Z"},"content_sha256":"28faa2ae9ea51d44d59caf52aeeee2defef172e4efeb365855fce152713475a4","schema_version":"1.0","event_id":"sha256:28faa2ae9ea51d44d59caf52aeeee2defef172e4efeb365855fce152713475a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:74CV5TU73PR5BWMRUIN2LKJV35","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heavy-flavor contributions at NNLO in CTEQ PDF analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C.-P. Yuan, Hung-Liang Lai, Marco Guzzi, Pavel M. Nadolsky","submitted_at":"2011-08-19T17:11:41Z","abstract_excerpt":"We discuss an NNLO realization of the general mass scheme S-ACOT-$\\chi$ for treatment of heavy-flavour production in neutral current deep-inelastic scattering. Practical implementation of the NNLO calculation is illustrated on the example of semi-inclusive structure functions $F_{2 c}(x,Q)$ and $F_{L c}(x,Q)$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4008","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":""},"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":"2026-05-18T04:15:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k7HrkK9JDrDMH7WaXO9m8uGhGtmcM83vznC5IIgyu1pgrs6Q6D8+3gOxd6mz63TFvniiyvwvk2vDpHQElEv+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T18:15:55.907932Z"},"content_sha256":"e321473b84c2891509bc8465dfc91366a5325084400005f1c5e49bd3bf48e8ba","schema_version":"1.0","event_id":"sha256:e321473b84c2891509bc8465dfc91366a5325084400005f1c5e49bd3bf48e8ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/74CV5TU73PR5BWMRUIN2LKJV35/bundle.json","state_url":"https://pith.science/pith/74CV5TU73PR5BWMRUIN2LKJV35/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/74CV5TU73PR5BWMRUIN2LKJV35/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":"2026-06-04T18:15:55Z","links":{"resolver":"https://pith.science/pith/74CV5TU73PR5BWMRUIN2LKJV35","bundle":"https://pith.science/pith/74CV5TU73PR5BWMRUIN2LKJV35/bundle.json","state":"https://pith.science/pith/74CV5TU73PR5BWMRUIN2LKJV35/state.json","well_known_bundle":"https://pith.science/.well-known/pith/74CV5TU73PR5BWMRUIN2LKJV35/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:74CV5TU73PR5BWMRUIN2LKJV35","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":"9a41643bc7af7c5be2bfc845fba59878e3ee647878fb5164aa18ac0de46034ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-19T17:11:41Z","title_canon_sha256":"7c63dd3a4930b338be7e47a7e653fdf7c42598c80649ea18322410a5d5c2d4d3"},"schema_version":"1.0","source":{"id":"1108.4008","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.4008","created_at":"2026-05-18T04:15:05Z"},{"alias_kind":"arxiv_version","alias_value":"1108.4008v1","created_at":"2026-05-18T04:15:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.4008","created_at":"2026-05-18T04:15:05Z"},{"alias_kind":"pith_short_12","alias_value":"74CV5TU73PR5","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"74CV5TU73PR5BWMR","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"74CV5TU7","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:e321473b84c2891509bc8465dfc91366a5325084400005f1c5e49bd3bf48e8ba","target":"graph","created_at":"2026-05-18T04:15:05Z","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 an NNLO realization of the general mass scheme S-ACOT-$\\chi$ for treatment of heavy-flavour production in neutral current deep-inelastic scattering. Practical implementation of the NNLO calculation is illustrated on the example of semi-inclusive structure functions $F_{2 c}(x,Q)$ and $F_{L c}(x,Q)$.","authors_text":"C.-P. Yuan, Hung-Liang Lai, Marco Guzzi, Pavel M. Nadolsky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-19T17:11:41Z","title":"Heavy-flavor contributions at NNLO in CTEQ PDF analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.4008","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":"sha256:28faa2ae9ea51d44d59caf52aeeee2defef172e4efeb365855fce152713475a4","target":"record","created_at":"2026-05-18T04:15:05Z","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":"9a41643bc7af7c5be2bfc845fba59878e3ee647878fb5164aa18ac0de46034ca","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-08-19T17:11:41Z","title_canon_sha256":"7c63dd3a4930b338be7e47a7e653fdf7c42598c80649ea18322410a5d5c2d4d3"},"schema_version":"1.0","source":{"id":"1108.4008","kind":"arxiv","version":1}},"canonical_sha256":"ff055ece9fdbe3d0d991a21ba5a935df4c6743cc93f0b0e3393bb39565882717","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff055ece9fdbe3d0d991a21ba5a935df4c6743cc93f0b0e3393bb39565882717","first_computed_at":"2026-05-18T04:15:05.715360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:05.715360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G1oW13LR5y/CsPTQzpw7tfTfRNpLknoJRz1wP7ux2qunoODeUbKcqzaLJ31ofNW7F5fHGnf1omMaWSiWgjSOCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:05.715810Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.4008","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:28faa2ae9ea51d44d59caf52aeeee2defef172e4efeb365855fce152713475a4","sha256:e321473b84c2891509bc8465dfc91366a5325084400005f1c5e49bd3bf48e8ba"],"state_sha256":"cb031c858db8f19b297af9d3367af27570596b7372b2342a5acab60c5a2a1d7b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IBUX0yIYHfsx7t+WIdfz85uIs4QtzXcj1zpwB+fGY7/NFPn13ERGFuVbDDaAMNCGsgRBNIlLvM0k4+55GGn1AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T18:15:55.910268Z","bundle_sha256":"7a14e3d8554b9426081a0af16b3344a5d2bdc9a5592b11198b5c9a5640c020e4"}}