{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:MG7TPV6ZKSSR4TYQGRJUZSY2LD","short_pith_number":"pith:MG7TPV6Z","canonical_record":{"source":{"id":"1409.4311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-15T16:24:15Z","cross_cats_sorted":[],"title_canon_sha256":"7f71ed9d97327ba02f95025283524b845c1e11bf44c72056850f5d617a2f5b5f","abstract_canon_sha256":"a37918d9ef4d4ae625adafd0fbe2eae4bf1bcf7ec7ba52bdd1bfaec5f6682caf"},"schema_version":"1.0"},"canonical_sha256":"61bf37d7d954a51e4f1034534ccb1a58de04b99dc7696225b5d24758c25ddb9b","source":{"kind":"arxiv","id":"1409.4311","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4311","created_at":"2026-05-18T02:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4311v1","created_at":"2026-05-18T02:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4311","created_at":"2026-05-18T02:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"MG7TPV6ZKSSR","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MG7TPV6ZKSSR4TYQ","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MG7TPV6Z","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:MG7TPV6ZKSSR4TYQGRJUZSY2LD","target":"record","payload":{"canonical_record":{"source":{"id":"1409.4311","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-15T16:24:15Z","cross_cats_sorted":[],"title_canon_sha256":"7f71ed9d97327ba02f95025283524b845c1e11bf44c72056850f5d617a2f5b5f","abstract_canon_sha256":"a37918d9ef4d4ae625adafd0fbe2eae4bf1bcf7ec7ba52bdd1bfaec5f6682caf"},"schema_version":"1.0"},"canonical_sha256":"61bf37d7d954a51e4f1034534ccb1a58de04b99dc7696225b5d24758c25ddb9b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:38.550376Z","signature_b64":"zEMxHv1yS9bVwwJy0PlJdGCfMWEvrWECUsgjcTp3ra8umB7k9r83xomUVkXW4xBJ4/PBd8OmXzHyPynV/y9DAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61bf37d7d954a51e4f1034534ccb1a58de04b99dc7696225b5d24758c25ddb9b","last_reissued_at":"2026-05-18T02:39:38.549890Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:38.549890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.4311","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":"2026-05-18T02:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zRe5dpeJQkOK8Pk4AMzfzHCg+uFYujTRNB64t22ZbORuyOnjQGGed9MajuNmWQtpkvAbT6LcPKQwrBZFwWYrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:13:18.965947Z"},"content_sha256":"97d8b761ce7901edbe5b67f1468bcdbcb3d824f58d4faf5487163bb3d4508fe8","schema_version":"1.0","event_id":"sha256:97d8b761ce7901edbe5b67f1468bcdbcb3d824f58d4faf5487163bb3d4508fe8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:MG7TPV6ZKSSR4TYQGRJUZSY2LD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transition form factors $\\gamma^*\\gamma\\to\\eta$ and $\\gamma^*\\gamma\\to\\eta'$ in QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Sch\\\"afer, F.A. Porkert, N. Offen, S.S. Agaev, V.M. Braun","submitted_at":"2014-09-15T16:24:15Z","abstract_excerpt":"We update the theoretical framework for the QCD calculation of transition form factors $\\gamma^*\\gamma\\to\\eta$ and $\\gamma^*\\gamma\\to\\eta'$ at large photon virtualities including full next-to-leading order analysis of perturbative corrections, the charm quark contribution, and taking into account SU(3)-flavor breaking effects and the axial anomaly contributions to the power-suppressed twist-four distribution amplitudes. The numerical analysis of the existing experimental data is performed with these improvements."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4311","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":"2026-05-18T02:39:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dGwDe/8hpSkC/TEXvevOEKC+RsQvQh11+2ydoaryzrmNrlffn+K7gTH/C5VCakf2DJX0G1Ebr0jWDB9MNpEzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T00:13:18.966617Z"},"content_sha256":"1fd5b66e330a0057f5a398390b63fc2bc7d64d4d7fb8548eed15e967fb5e824f","schema_version":"1.0","event_id":"sha256:1fd5b66e330a0057f5a398390b63fc2bc7d64d4d7fb8548eed15e967fb5e824f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD/bundle.json","state_url":"https://pith.science/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD/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":"2026-05-24T00:13:18Z","links":{"resolver":"https://pith.science/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD","bundle":"https://pith.science/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD/bundle.json","state":"https://pith.science/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MG7TPV6ZKSSR4TYQGRJUZSY2LD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:MG7TPV6ZKSSR4TYQGRJUZSY2LD","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":"a37918d9ef4d4ae625adafd0fbe2eae4bf1bcf7ec7ba52bdd1bfaec5f6682caf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-15T16:24:15Z","title_canon_sha256":"7f71ed9d97327ba02f95025283524b845c1e11bf44c72056850f5d617a2f5b5f"},"schema_version":"1.0","source":{"id":"1409.4311","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4311","created_at":"2026-05-18T02:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4311v1","created_at":"2026-05-18T02:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4311","created_at":"2026-05-18T02:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"MG7TPV6ZKSSR","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"MG7TPV6ZKSSR4TYQ","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"MG7TPV6Z","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:1fd5b66e330a0057f5a398390b63fc2bc7d64d4d7fb8548eed15e967fb5e824f","target":"graph","created_at":"2026-05-18T02:39:38Z","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 update the theoretical framework for the QCD calculation of transition form factors $\\gamma^*\\gamma\\to\\eta$ and $\\gamma^*\\gamma\\to\\eta'$ at large photon virtualities including full next-to-leading order analysis of perturbative corrections, the charm quark contribution, and taking into account SU(3)-flavor breaking effects and the axial anomaly contributions to the power-suppressed twist-four distribution amplitudes. The numerical analysis of the existing experimental data is performed with these improvements.","authors_text":"A. Sch\\\"afer, F.A. Porkert, N. Offen, S.S. Agaev, V.M. Braun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-15T16:24:15Z","title":"Transition form factors $\\gamma^*\\gamma\\to\\eta$ and $\\gamma^*\\gamma\\to\\eta'$ in QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4311","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":"sha256:97d8b761ce7901edbe5b67f1468bcdbcb3d824f58d4faf5487163bb3d4508fe8","target":"record","created_at":"2026-05-18T02:39:38Z","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":"a37918d9ef4d4ae625adafd0fbe2eae4bf1bcf7ec7ba52bdd1bfaec5f6682caf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-15T16:24:15Z","title_canon_sha256":"7f71ed9d97327ba02f95025283524b845c1e11bf44c72056850f5d617a2f5b5f"},"schema_version":"1.0","source":{"id":"1409.4311","kind":"arxiv","version":1}},"canonical_sha256":"61bf37d7d954a51e4f1034534ccb1a58de04b99dc7696225b5d24758c25ddb9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61bf37d7d954a51e4f1034534ccb1a58de04b99dc7696225b5d24758c25ddb9b","first_computed_at":"2026-05-18T02:39:38.549890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:38.549890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zEMxHv1yS9bVwwJy0PlJdGCfMWEvrWECUsgjcTp3ra8umB7k9r83xomUVkXW4xBJ4/PBd8OmXzHyPynV/y9DAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:38.550376Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.4311","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97d8b761ce7901edbe5b67f1468bcdbcb3d824f58d4faf5487163bb3d4508fe8","sha256:1fd5b66e330a0057f5a398390b63fc2bc7d64d4d7fb8548eed15e967fb5e824f"],"state_sha256":"083ffd913f1c87dac35cb9eae8f483752476fccc0e1ca1564338c429a3f6347b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wTU/S28caXuGsa6uXu4zBroS5RNjH20gscZjPU6OAWtRgbx2Ux/SB/2vShARtbpY+nEUNhAujV1r8RC7Ny24CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T00:13:18.970414Z","bundle_sha256":"44ee0a543ade6c8e8d509acce543ead5a0ed6c51af53eb8b973a9e8e5ab66aa8"}}