{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:QK6MUY3X6Y5GMYKUKNGFPVMYRK","short_pith_number":"pith:QK6MUY3X","canonical_record":{"source":{"id":"hep-ph/9802362","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-02-19T14:32:53Z","cross_cats_sorted":[],"title_canon_sha256":"d06c8a6570741135225d68f71a2d61270148ddc43add4a7842aeb25cee2ef29b","abstract_canon_sha256":"5220d5f6384e41b05e0cb148291bc6f19ff837d3facd45bf8075d36b217895b7"},"schema_version":"1.0"},"canonical_sha256":"82bcca6377f63a666154534c57d5988aa4c6cfd91300725578eda4fc089aa402","source":{"kind":"arxiv","id":"hep-ph/9802362","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9802362","created_at":"2026-05-18T02:36:59Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9802362v2","created_at":"2026-05-18T02:36:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9802362","created_at":"2026-05-18T02:36:59Z"},{"alias_kind":"pith_short_12","alias_value":"QK6MUY3X6Y5G","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"QK6MUY3X6Y5GMYKU","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"QK6MUY3X","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:QK6MUY3X6Y5GMYKUKNGFPVMYRK","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9802362","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1998-02-19T14:32:53Z","cross_cats_sorted":[],"title_canon_sha256":"d06c8a6570741135225d68f71a2d61270148ddc43add4a7842aeb25cee2ef29b","abstract_canon_sha256":"5220d5f6384e41b05e0cb148291bc6f19ff837d3facd45bf8075d36b217895b7"},"schema_version":"1.0"},"canonical_sha256":"82bcca6377f63a666154534c57d5988aa4c6cfd91300725578eda4fc089aa402","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:59.016325Z","signature_b64":"5vRzQdFzb+UUYWTu6JbRxgr6ehCnjKvtHIt5obSTD4nbheQIsaT+QPuRUeqd7hnilBwueOOHhhVlFki3hPA0Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82bcca6377f63a666154534c57d5988aa4c6cfd91300725578eda4fc089aa402","last_reissued_at":"2026-05-18T02:36:59.015567Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:59.015567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9802362","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":"2026-05-18T02:36:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VrBMDYsRW1zim7WM3i98u8JjiWaxA7zK8Sh03wz4NLoFnChaOoqqfCA2O0rtyP3i/2xaWxseV8+g58uudduPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:31:10.785316Z"},"content_sha256":"dda1ca30de2842b701306672fb70a64e6deb2d87a02342945b808c473fec9971","schema_version":"1.0","event_id":"sha256:dda1ca30de2842b701306672fb70a64e6deb2d87a02342945b808c473fec9971"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:QK6MUY3X6Y5GMYKUKNGFPVMYRK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution Equations for Higher Moments of Angular Momentum Distributions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Schaefer, P. Haegler","submitted_at":"1998-02-19T14:32:53Z","abstract_excerpt":"Based on a sumrule for the nucleon spin we expand quark and gluon orbital angular momentum operators and derive an evolution matrix for higher moments of the corresponding distributions. In combination with the spin-dependent DGLAP-matrix we find a complete set of spin and orbital angular momentum evolution equations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9802362","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":"2026-05-18T02:36:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZirddfBiOvb9sfaZXZ1kkdhXmthhH4B8y87PmWpUAqc/712rsLNsqWkfwNqriz2KKiE+phUKyaY+XBJOquveCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:31:10.786026Z"},"content_sha256":"946ab780a963070adbfc7430f5f65be912842f05ea68d1cc43765b14f0c281a1","schema_version":"1.0","event_id":"sha256:946ab780a963070adbfc7430f5f65be912842f05ea68d1cc43765b14f0c281a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK/bundle.json","state_url":"https://pith.science/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK/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":"2026-08-04T14:31:10Z","links":{"resolver":"https://pith.science/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK","bundle":"https://pith.science/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK/bundle.json","state":"https://pith.science/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QK6MUY3X6Y5GMYKUKNGFPVMYRK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:QK6MUY3X6Y5GMYKUKNGFPVMYRK","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":"5220d5f6384e41b05e0cb148291bc6f19ff837d3facd45bf8075d36b217895b7","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-02-19T14:32:53Z","title_canon_sha256":"d06c8a6570741135225d68f71a2d61270148ddc43add4a7842aeb25cee2ef29b"},"schema_version":"1.0","source":{"id":"hep-ph/9802362","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9802362","created_at":"2026-05-18T02:36:59Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9802362v2","created_at":"2026-05-18T02:36:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9802362","created_at":"2026-05-18T02:36:59Z"},{"alias_kind":"pith_short_12","alias_value":"QK6MUY3X6Y5G","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"QK6MUY3X6Y5GMYKU","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"QK6MUY3X","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:946ab780a963070adbfc7430f5f65be912842f05ea68d1cc43765b14f0c281a1","target":"graph","created_at":"2026-05-18T02:36:59Z","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":"Based on a sumrule for the nucleon spin we expand quark and gluon orbital angular momentum operators and derive an evolution matrix for higher moments of the corresponding distributions. In combination with the spin-dependent DGLAP-matrix we find a complete set of spin and orbital angular momentum evolution equations.","authors_text":"A. Schaefer, P. Haegler","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1998-02-19T14:32:53Z","title":"Evolution Equations for Higher Moments of Angular Momentum Distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9802362","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:dda1ca30de2842b701306672fb70a64e6deb2d87a02342945b808c473fec9971","target":"record","created_at":"2026-05-18T02:36:59Z","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":"5220d5f6384e41b05e0cb148291bc6f19ff837d3facd45bf8075d36b217895b7","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1998-02-19T14:32:53Z","title_canon_sha256":"d06c8a6570741135225d68f71a2d61270148ddc43add4a7842aeb25cee2ef29b"},"schema_version":"1.0","source":{"id":"hep-ph/9802362","kind":"arxiv","version":2}},"canonical_sha256":"82bcca6377f63a666154534c57d5988aa4c6cfd91300725578eda4fc089aa402","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82bcca6377f63a666154534c57d5988aa4c6cfd91300725578eda4fc089aa402","first_computed_at":"2026-05-18T02:36:59.015567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:59.015567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5vRzQdFzb+UUYWTu6JbRxgr6ehCnjKvtHIt5obSTD4nbheQIsaT+QPuRUeqd7hnilBwueOOHhhVlFki3hPA0Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:59.016325Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9802362","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dda1ca30de2842b701306672fb70a64e6deb2d87a02342945b808c473fec9971","sha256:946ab780a963070adbfc7430f5f65be912842f05ea68d1cc43765b14f0c281a1"],"state_sha256":"fa3539e8064e9620828bcc75d0ea466e2bb6370f724f2a9db7108b2945eab895"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M6iwTmhIma9Wxh/zPcdnKtLoeiBrjfxc/s86o4A36x8X3oir6x+kYulUQ9vqxDWCHp8XqD8oD27K7+m0ZC9JAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:31:10.793800Z","bundle_sha256":"e8bdcc7c034e93371f313c1fe62c5ae5c4316ea570c598425a381fccfab1bfc8"}}