{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:NZQJ7YZR6HGCP7E4PZIGDL2UGR","short_pith_number":"pith:NZQJ7YZR","canonical_record":{"source":{"id":"hep-ph/0506252","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-06-24T11:25:38Z","cross_cats_sorted":[],"title_canon_sha256":"aeba7b25da07fdf1f86548ec12ca0978e7a5380331f748f522f780a86cc05d7c","abstract_canon_sha256":"1e86717412fbc794a3467142672986bb6a5c068b0030dbe97e4b4bb5e77f43e5"},"schema_version":"1.0"},"canonical_sha256":"6e609fe331f1cc27fc9c7e5061af54347e1632459bf21d2c7fba925d56d3e07e","source":{"kind":"arxiv","id":"hep-ph/0506252","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0506252","created_at":"2026-05-18T01:39:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0506252v1","created_at":"2026-05-18T01:39:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0506252","created_at":"2026-05-18T01:39:04Z"},{"alias_kind":"pith_short_12","alias_value":"NZQJ7YZR6HGC","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"NZQJ7YZR6HGCP7E4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"NZQJ7YZR","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:NZQJ7YZR6HGCP7E4PZIGDL2UGR","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0506252","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-06-24T11:25:38Z","cross_cats_sorted":[],"title_canon_sha256":"aeba7b25da07fdf1f86548ec12ca0978e7a5380331f748f522f780a86cc05d7c","abstract_canon_sha256":"1e86717412fbc794a3467142672986bb6a5c068b0030dbe97e4b4bb5e77f43e5"},"schema_version":"1.0"},"canonical_sha256":"6e609fe331f1cc27fc9c7e5061af54347e1632459bf21d2c7fba925d56d3e07e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:04.921652Z","signature_b64":"R/3QQKzvyJ+IgvgwHcOEbfQjOhgkITb0SJxEeOjcdM6VyoeaBFpneNWfPOcZtZTpKe2IBokPUiMHpoUvE+kKCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e609fe331f1cc27fc9c7e5061af54347e1632459bf21d2c7fba925d56d3e07e","last_reissued_at":"2026-05-18T01:39:04.920995Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:04.920995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0506252","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":"2026-05-18T01:39:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b3zJHDCS06wd0ixaCwagyKeD8IKV7uVG5MaxesaJNyi8egy700ja4bu3CpDOJXv4lPuCJkjh2038nY3R8UzcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T21:37:29.376446Z"},"content_sha256":"17d6c5df1a45d0bfe6d808c37113dcb723efc86ad873114d07a2d6c596c7d571","schema_version":"1.0","event_id":"sha256:17d6c5df1a45d0bfe6d808c37113dcb723efc86ad873114d07a2d6c596c7d571"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:NZQJ7YZR6HGCP7E4PZIGDL2UGR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Status Report of NNLO QCD Calculations","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"LPSC Grenoble), M. Klasen (INT Washington","submitted_at":"2005-06-24T11:25:38Z","abstract_excerpt":"We review recent progress in next-to-next-to-leading order (NNLO) perturbative QCD calculations with special emphasis on results ready for phenomenological applications. Important examples are new results on structure functions and jet or Higgs boson production. In addition, we describe new calculational techniques based on twistors and their potential for efficient calculations of multiparticle amplitudes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0506252","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":"2026-05-18T01:39:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lS6bosWAj2hwABK06vs88ZzBAexsTbSK4HysIzizOpWcFuOY766O+q60pYrmL1hA1nhIaiw7h+94fVIF+otbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T21:37:29.377090Z"},"content_sha256":"e2a25b7db97e438797e510c4636e7c6b6e989dc55a41373265762d9e96ffcbf0","schema_version":"1.0","event_id":"sha256:e2a25b7db97e438797e510c4636e7c6b6e989dc55a41373265762d9e96ffcbf0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR/bundle.json","state_url":"https://pith.science/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR/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":"2026-06-07T21:37:29Z","links":{"resolver":"https://pith.science/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR","bundle":"https://pith.science/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR/bundle.json","state":"https://pith.science/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NZQJ7YZR6HGCP7E4PZIGDL2UGR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:NZQJ7YZR6HGCP7E4PZIGDL2UGR","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":"1e86717412fbc794a3467142672986bb6a5c068b0030dbe97e4b4bb5e77f43e5","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-06-24T11:25:38Z","title_canon_sha256":"aeba7b25da07fdf1f86548ec12ca0978e7a5380331f748f522f780a86cc05d7c"},"schema_version":"1.0","source":{"id":"hep-ph/0506252","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0506252","created_at":"2026-05-18T01:39:04Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0506252v1","created_at":"2026-05-18T01:39:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0506252","created_at":"2026-05-18T01:39:04Z"},{"alias_kind":"pith_short_12","alias_value":"NZQJ7YZR6HGC","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"NZQJ7YZR6HGCP7E4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"NZQJ7YZR","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:e2a25b7db97e438797e510c4636e7c6b6e989dc55a41373265762d9e96ffcbf0","target":"graph","created_at":"2026-05-18T01:39:04Z","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 review recent progress in next-to-next-to-leading order (NNLO) perturbative QCD calculations with special emphasis on results ready for phenomenological applications. Important examples are new results on structure functions and jet or Higgs boson production. In addition, we describe new calculational techniques based on twistors and their potential for efficient calculations of multiparticle amplitudes.","authors_text":"LPSC Grenoble), M. Klasen (INT Washington","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2005-06-24T11:25:38Z","title":"Status Report of NNLO QCD Calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0506252","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":"sha256:17d6c5df1a45d0bfe6d808c37113dcb723efc86ad873114d07a2d6c596c7d571","target":"record","created_at":"2026-05-18T01:39:04Z","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":"1e86717412fbc794a3467142672986bb6a5c068b0030dbe97e4b4bb5e77f43e5","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-06-24T11:25:38Z","title_canon_sha256":"aeba7b25da07fdf1f86548ec12ca0978e7a5380331f748f522f780a86cc05d7c"},"schema_version":"1.0","source":{"id":"hep-ph/0506252","kind":"arxiv","version":1}},"canonical_sha256":"6e609fe331f1cc27fc9c7e5061af54347e1632459bf21d2c7fba925d56d3e07e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e609fe331f1cc27fc9c7e5061af54347e1632459bf21d2c7fba925d56d3e07e","first_computed_at":"2026-05-18T01:39:04.920995Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:04.920995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R/3QQKzvyJ+IgvgwHcOEbfQjOhgkITb0SJxEeOjcdM6VyoeaBFpneNWfPOcZtZTpKe2IBokPUiMHpoUvE+kKCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:04.921652Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0506252","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17d6c5df1a45d0bfe6d808c37113dcb723efc86ad873114d07a2d6c596c7d571","sha256:e2a25b7db97e438797e510c4636e7c6b6e989dc55a41373265762d9e96ffcbf0"],"state_sha256":"7ae0d68d47f6dcc4a858cfcf6892b1e0180a5805e36cae5bb13eefd7e6e6e4bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KnNWUrUfZBAXpX5MKzlaedkltNNZZldVN6IoB2Ga8josLVC5GSJ9PqfEIHTaYcEr6qmHE5/EA8hWwNN6XTX7Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T21:37:29.380840Z","bundle_sha256":"273ab79e3031e7bc48cb33f2dc8f6be0495a32226646bd556d56d20f7842cc48"}}