{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:I6QKLAQX4Z3KHRMISGCV3NKJT3","short_pith_number":"pith:I6QKLAQX","canonical_record":{"source":{"id":"0909.5128","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-09-28T15:51:44Z","cross_cats_sorted":[],"title_canon_sha256":"e2b5b324be3f7a8d9e0708dfb8fcb9f6ec07be6acd9e29028e1112b86f7fa728","abstract_canon_sha256":"248fb79aa5896d8d747baf2375695f85c4ce3a6a0ff6c96e79f02ec22eec76e6"},"schema_version":"1.0"},"canonical_sha256":"47a0a58217e676a3c58891855db5499ee6989e9e0c917750124af85f8b6ccd61","source":{"kind":"arxiv","id":"0909.5128","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.5128","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"arxiv_version","alias_value":"0909.5128v3","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.5128","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"pith_short_12","alias_value":"I6QKLAQX4Z3K","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"I6QKLAQX4Z3KHRMI","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"I6QKLAQX","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:I6QKLAQX4Z3KHRMISGCV3NKJT3","target":"record","payload":{"canonical_record":{"source":{"id":"0909.5128","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-09-28T15:51:44Z","cross_cats_sorted":[],"title_canon_sha256":"e2b5b324be3f7a8d9e0708dfb8fcb9f6ec07be6acd9e29028e1112b86f7fa728","abstract_canon_sha256":"248fb79aa5896d8d747baf2375695f85c4ce3a6a0ff6c96e79f02ec22eec76e6"},"schema_version":"1.0"},"canonical_sha256":"47a0a58217e676a3c58891855db5499ee6989e9e0c917750124af85f8b6ccd61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:36.856518Z","signature_b64":"1U1GmqBGzmzACrOF7Q9GvuouyZ/yIy7pN7nGS9Pp0ep3PERZDbIIL1QGyGhU7Umt7hdVWxeIj/SCmiSFwfyZDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47a0a58217e676a3c58891855db5499ee6989e9e0c917750124af85f8b6ccd61","last_reissued_at":"2026-05-18T02:11:36.855770Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:36.855770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.5128","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":"2026-05-18T02:11:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UdzNbJMXAT/ER8kHLSFztIyq4W4AhXA7iECzL81e0OVj7LJYty5o7OfMh0KDeEdJzjVJOdFEXEQv05ajtcFeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:24:58.340509Z"},"content_sha256":"b60e02d8df1b216caa02c7d2fb74cd8b3cc8c60ea3798eb39d3d296bf38dad6c","schema_version":"1.0","event_id":"sha256:b60e02d8df1b216caa02c7d2fb74cd8b3cc8c60ea3798eb39d3d296bf38dad6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:I6QKLAQX4Z3KHRMISGCV3NKJT3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-loop contribution to the pion transition form factor vs. experimental data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"N. G. Stefanis, S. V. Mikhailov","submitted_at":"2009-09-28T15:51:44Z","abstract_excerpt":"We present predictions for the pion-photon transition form factor, derived with the help of light-cone sum rules and including the main part of the NNLO radiative corrections. We show that, when the Bakulev-Mikhailov-Stefanis (BMS) pion distribution amplitude is used, the obtained predictions agree well with the CELLO and the CLEO data. We found that no model distribution amplitude can reproduce the observed $Q^2$ growth of the new BaBar data, though the BMS model complies with several BaBar data points."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.5128","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":"2026-05-18T02:11:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3erjZba9kQVBTyz5lWuv//tWqcTybS/xKiYwY0zr0i0oSpTdZvYqa8nzejvZRBaDt1p8+jluAog71xIv0yaNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:24:58.341046Z"},"content_sha256":"96a4c0807a5aa9233ab864714132ca640d94932a91817f1e7b04aafd84a120c3","schema_version":"1.0","event_id":"sha256:96a4c0807a5aa9233ab864714132ca640d94932a91817f1e7b04aafd84a120c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3/bundle.json","state_url":"https://pith.science/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3/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":"2026-06-05T03:24:58Z","links":{"resolver":"https://pith.science/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3","bundle":"https://pith.science/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3/bundle.json","state":"https://pith.science/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I6QKLAQX4Z3KHRMISGCV3NKJT3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:I6QKLAQX4Z3KHRMISGCV3NKJT3","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":"248fb79aa5896d8d747baf2375695f85c4ce3a6a0ff6c96e79f02ec22eec76e6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-09-28T15:51:44Z","title_canon_sha256":"e2b5b324be3f7a8d9e0708dfb8fcb9f6ec07be6acd9e29028e1112b86f7fa728"},"schema_version":"1.0","source":{"id":"0909.5128","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.5128","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"arxiv_version","alias_value":"0909.5128v3","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.5128","created_at":"2026-05-18T02:11:36Z"},{"alias_kind":"pith_short_12","alias_value":"I6QKLAQX4Z3K","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"I6QKLAQX4Z3KHRMI","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"I6QKLAQX","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:96a4c0807a5aa9233ab864714132ca640d94932a91817f1e7b04aafd84a120c3","target":"graph","created_at":"2026-05-18T02:11:36Z","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 present predictions for the pion-photon transition form factor, derived with the help of light-cone sum rules and including the main part of the NNLO radiative corrections. We show that, when the Bakulev-Mikhailov-Stefanis (BMS) pion distribution amplitude is used, the obtained predictions agree well with the CELLO and the CLEO data. We found that no model distribution amplitude can reproduce the observed $Q^2$ growth of the new BaBar data, though the BMS model complies with several BaBar data points.","authors_text":"N. G. Stefanis, S. V. Mikhailov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-09-28T15:51:44Z","title":"Two-loop contribution to the pion transition form factor vs. experimental data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.5128","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:b60e02d8df1b216caa02c7d2fb74cd8b3cc8c60ea3798eb39d3d296bf38dad6c","target":"record","created_at":"2026-05-18T02:11:36Z","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":"248fb79aa5896d8d747baf2375695f85c4ce3a6a0ff6c96e79f02ec22eec76e6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-09-28T15:51:44Z","title_canon_sha256":"e2b5b324be3f7a8d9e0708dfb8fcb9f6ec07be6acd9e29028e1112b86f7fa728"},"schema_version":"1.0","source":{"id":"0909.5128","kind":"arxiv","version":3}},"canonical_sha256":"47a0a58217e676a3c58891855db5499ee6989e9e0c917750124af85f8b6ccd61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47a0a58217e676a3c58891855db5499ee6989e9e0c917750124af85f8b6ccd61","first_computed_at":"2026-05-18T02:11:36.855770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:36.855770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1U1GmqBGzmzACrOF7Q9GvuouyZ/yIy7pN7nGS9Pp0ep3PERZDbIIL1QGyGhU7Umt7hdVWxeIj/SCmiSFwfyZDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:36.856518Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.5128","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b60e02d8df1b216caa02c7d2fb74cd8b3cc8c60ea3798eb39d3d296bf38dad6c","sha256:96a4c0807a5aa9233ab864714132ca640d94932a91817f1e7b04aafd84a120c3"],"state_sha256":"024b0904902ef286bc5382be256c4bf0e8cb5aab88b4ed887e1a0d9e790b0b6a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P9YvjtWivuv3P1jTqGt3K+2va/VeOxkGFBqfD9RVKQhBg6FP+1LHbkD+L+KD+buC0hzL/rKJrbHAPJjf2SoJAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T03:24:58.343853Z","bundle_sha256":"0902e7d06f993761848616f7086435c2191b87c97d5b8ab129889d10391b53a2"}}