{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:IPADAN5VT7HSADFHK3VOFMBCE3","short_pith_number":"pith:IPADAN5V","canonical_record":{"source":{"id":"hep-ph/0210045","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-10-02T22:22:37Z","cross_cats_sorted":[],"title_canon_sha256":"bc13abe30d01560ce53a800f2cabc18ca8534abddc0aef8d1d5ed4201cabd687","abstract_canon_sha256":"da42e040fb9ad810d9ef91d6dc8528ef96bc45fe5a6b6935d64bf31b52059398"},"schema_version":"1.0"},"canonical_sha256":"43c03037b59fcf200ca756eae2b02226d2b566dff577b8e6e3d737f75f64559e","source":{"kind":"arxiv","id":"hep-ph/0210045","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0210045","created_at":"2026-05-18T04:35:24Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0210045v3","created_at":"2026-05-18T04:35:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0210045","created_at":"2026-05-18T04:35:24Z"},{"alias_kind":"pith_short_12","alias_value":"IPADAN5VT7HS","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"IPADAN5VT7HSADFH","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"IPADAN5V","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:IPADAN5VT7HSADFHK3VOFMBCE3","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0210045","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-10-02T22:22:37Z","cross_cats_sorted":[],"title_canon_sha256":"bc13abe30d01560ce53a800f2cabc18ca8534abddc0aef8d1d5ed4201cabd687","abstract_canon_sha256":"da42e040fb9ad810d9ef91d6dc8528ef96bc45fe5a6b6935d64bf31b52059398"},"schema_version":"1.0"},"canonical_sha256":"43c03037b59fcf200ca756eae2b02226d2b566dff577b8e6e3d737f75f64559e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:35:24.936065Z","signature_b64":"40mveJTobhjc6szNv5V6r8nANz67PkcUIJ3MdOBPoXeOxu1xiiMrSRnGS5x4R4PbgZeyZgnUOJmpByEz0sS9Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43c03037b59fcf200ca756eae2b02226d2b566dff577b8e6e3d737f75f64559e","last_reissued_at":"2026-05-18T04:35:24.935623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:35:24.935623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0210045","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:35:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FYQRDZgDNZriHDJuGqsxZwkgsvSi7dmeSO0ElqqkTbtvhno0LMCX4jfvug3qjPY0b/H7p5HKr8yrSGjPbVeRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:36:48.416968Z"},"content_sha256":"1f481057ffa5606e52af47ba2455dd12a3d1c227a87c80db3220511b8f3b0912","schema_version":"1.0","event_id":"sha256:1f481057ffa5606e52af47ba2455dd12a3d1c227a87c80db3220511b8f3b0912"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:IPADAN5VT7HSADFHK3VOFMBCE3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The two-gluon components of the eta and eta' mesons to leading-twist accuracy","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Kornelija Passek-Kumericki, Peter Kroll","submitted_at":"2002-10-02T22:22:37Z","abstract_excerpt":"We critically reexamine the formalism for treating the leading-twist contributions from the two-gluon Fock components occurring in hard processes that involve eta and eta' mesons and establish a consistent set of conventions for the definition of the gluon distribution amplitudes, the anomalous dimensions as well as the projector of a two-gluon state onto an eta or eta' state. We calculate the eta, eta'--photon transition form factor to order alpha_s and show the cancellation of the collinear and UV singularities explicitly. An estimate of the lowest Gegenbauer coefficients of the gluon and qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0210045","kind":"arxiv","version":3},"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":"2026-05-18T04:35:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RJ6W3DdfF3Np+AVl00bnrjmSnfHnIl6AURjm2chkNTSBqMiIcHp4T2ijOz/iiGT64DnD7P0ZmWyPaJovnc1fDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T04:36:48.417332Z"},"content_sha256":"c41fa498369d7349d9aba2b3cdad7546405fcbfa239f03aa578d05687506393f","schema_version":"1.0","event_id":"sha256:c41fa498369d7349d9aba2b3cdad7546405fcbfa239f03aa578d05687506393f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IPADAN5VT7HSADFHK3VOFMBCE3/bundle.json","state_url":"https://pith.science/pith/IPADAN5VT7HSADFHK3VOFMBCE3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IPADAN5VT7HSADFHK3VOFMBCE3/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":"2026-06-07T04:36:48Z","links":{"resolver":"https://pith.science/pith/IPADAN5VT7HSADFHK3VOFMBCE3","bundle":"https://pith.science/pith/IPADAN5VT7HSADFHK3VOFMBCE3/bundle.json","state":"https://pith.science/pith/IPADAN5VT7HSADFHK3VOFMBCE3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IPADAN5VT7HSADFHK3VOFMBCE3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:IPADAN5VT7HSADFHK3VOFMBCE3","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":"da42e040fb9ad810d9ef91d6dc8528ef96bc45fe5a6b6935d64bf31b52059398","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2002-10-02T22:22:37Z","title_canon_sha256":"bc13abe30d01560ce53a800f2cabc18ca8534abddc0aef8d1d5ed4201cabd687"},"schema_version":"1.0","source":{"id":"hep-ph/0210045","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0210045","created_at":"2026-05-18T04:35:24Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0210045v3","created_at":"2026-05-18T04:35:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0210045","created_at":"2026-05-18T04:35:24Z"},{"alias_kind":"pith_short_12","alias_value":"IPADAN5VT7HS","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"IPADAN5VT7HSADFH","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"IPADAN5V","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:c41fa498369d7349d9aba2b3cdad7546405fcbfa239f03aa578d05687506393f","target":"graph","created_at":"2026-05-18T04:35:24Z","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 critically reexamine the formalism for treating the leading-twist contributions from the two-gluon Fock components occurring in hard processes that involve eta and eta' mesons and establish a consistent set of conventions for the definition of the gluon distribution amplitudes, the anomalous dimensions as well as the projector of a two-gluon state onto an eta or eta' state. We calculate the eta, eta'--photon transition form factor to order alpha_s and show the cancellation of the collinear and UV singularities explicitly. An estimate of the lowest Gegenbauer coefficients of the gluon and qu","authors_text":"Kornelija Passek-Kumericki, Peter Kroll","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2002-10-02T22:22:37Z","title":"The two-gluon components of the eta and eta' mesons to leading-twist accuracy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0210045","kind":"arxiv","version":3},"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":"sha256:1f481057ffa5606e52af47ba2455dd12a3d1c227a87c80db3220511b8f3b0912","target":"record","created_at":"2026-05-18T04:35:24Z","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":"da42e040fb9ad810d9ef91d6dc8528ef96bc45fe5a6b6935d64bf31b52059398","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2002-10-02T22:22:37Z","title_canon_sha256":"bc13abe30d01560ce53a800f2cabc18ca8534abddc0aef8d1d5ed4201cabd687"},"schema_version":"1.0","source":{"id":"hep-ph/0210045","kind":"arxiv","version":3}},"canonical_sha256":"43c03037b59fcf200ca756eae2b02226d2b566dff577b8e6e3d737f75f64559e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43c03037b59fcf200ca756eae2b02226d2b566dff577b8e6e3d737f75f64559e","first_computed_at":"2026-05-18T04:35:24.935623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:24.935623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"40mveJTobhjc6szNv5V6r8nANz67PkcUIJ3MdOBPoXeOxu1xiiMrSRnGS5x4R4PbgZeyZgnUOJmpByEz0sS9Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:24.936065Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0210045","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f481057ffa5606e52af47ba2455dd12a3d1c227a87c80db3220511b8f3b0912","sha256:c41fa498369d7349d9aba2b3cdad7546405fcbfa239f03aa578d05687506393f"],"state_sha256":"fae1487cc2c7a90644f95f3c5211cb4d56db63fce8e1604c965da92276c7f421"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L8CbZSvGolWhc6BpfmIarfYyRcMrqInXZnIR5PHp1r3DEkDuNa4DHuJmpOzPjiJT7h4jkkNrqjyc+xuB2AIxBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T04:36:48.419149Z","bundle_sha256":"1fe6b2f966ca3ef0f91f4e5b0b0011338561e982ebd1bb483d6c0da9d5c70485"}}