{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:T5VQMKFK2CZJ7NQTLQ7VREGNQG","short_pith_number":"pith:T5VQMKFK","canonical_record":{"source":{"id":"2101.12661","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T16:06:28Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"f3162b32b617a40bed2838ed122e2ef71f6b759adc25265d68ab76d0fd0a3c4a","abstract_canon_sha256":"93bc747f42846bed542b5327505400661e6331814b2b5156b5116eb3501f1c91"},"schema_version":"1.0"},"canonical_sha256":"9f6b0628aad0b29fb6135c3f5890cd81b795390f9b75948b5a8b11a841718932","source":{"kind":"arxiv","id":"2101.12661","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.12661","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"arxiv_version","alias_value":"2101.12661v4","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.12661","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"pith_short_12","alias_value":"T5VQMKFK2CZJ","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"pith_short_16","alias_value":"T5VQMKFK2CZJ7NQT","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"pith_short_8","alias_value":"T5VQMKFK","created_at":"2026-07-05T02:40:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:T5VQMKFK2CZJ7NQTLQ7VREGNQG","target":"record","payload":{"canonical_record":{"source":{"id":"2101.12661","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T16:06:28Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"f3162b32b617a40bed2838ed122e2ef71f6b759adc25265d68ab76d0fd0a3c4a","abstract_canon_sha256":"93bc747f42846bed542b5327505400661e6331814b2b5156b5116eb3501f1c91"},"schema_version":"1.0"},"canonical_sha256":"9f6b0628aad0b29fb6135c3f5890cd81b795390f9b75948b5a8b11a841718932","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:40:31.587719Z","signature_b64":"grwCSz9cTWNZRv+X8a+sku94ysvUxN8C2KrYlzCZo0KUgQZ01Fvd51GhfQIsAupW1BRKH8GoP5yDykMgZAmJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f6b0628aad0b29fb6135c3f5890cd81b795390f9b75948b5a8b11a841718932","last_reissued_at":"2026-07-05T02:40:31.587211Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:40:31.587211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.12661","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:40:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPvsJa9TPLObL3cyWmQiK00CWh1ptrfzz6YVhDjvg7v3AbUKNoro4Y499a6mLGCTal6D8a2gpRKOdmxoQL/jBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:43:56.924082Z"},"content_sha256":"2fa8866a973594e0703fb51694cef6a60efc164c6b374a2bb2660895dbede5cc","schema_version":"1.0","event_id":"sha256:2fa8866a973594e0703fb51694cef6a60efc164c6b374a2bb2660895dbede5cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:T5VQMKFK2CZJ7NQTLQ7VREGNQG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extending the application of the LCSR method to low momenta using QCD renormalization-group summation. Theory and phenomenology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"A. V. Pimikov, N. G. Stefanis, S. V. Mikhailov","submitted_at":"2021-01-29T16:06:28Z","abstract_excerpt":"We show that using renormalization-group summation to generate the QCD radiative corrections to the $\\pi-\\gamma$ transition form factor, calculated with lightcone sum rules (LCSR), renders the strong coupling free of Landau singularities while preserving the QCD form-factor asymptotics. This enables a reliable applicability of the LCSR method to momenta well below 1 GeV$^2$. This way, one can use the new preliminary BESIII data with unprecedented accuracy below 1.5 GeV$^2$ to fine tune the prefactor of the twist-six contribution. Using a combined fit to all available data below 3.1 GeV$^2$, we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12661","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.12661/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:40:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AcPXiUy2gXzbf1w2QjFw4iNNo2K1YgKFA/XSa3JQD3bvuKpRVXmOJLdl+f3f0IPPBMFlh6JkdQpFB+KcukcnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T15:43:56.924858Z"},"content_sha256":"9670bc457e94639dba35277ab63cb9828e9153572f0d33cb454b2c7619e73669","schema_version":"1.0","event_id":"sha256:9670bc457e94639dba35277ab63cb9828e9153572f0d33cb454b2c7619e73669"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG/bundle.json","state_url":"https://pith.science/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG/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":"2026-08-14T15:43:56Z","links":{"resolver":"https://pith.science/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG","bundle":"https://pith.science/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG/bundle.json","state":"https://pith.science/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T5VQMKFK2CZJ7NQTLQ7VREGNQG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:T5VQMKFK2CZJ7NQTLQ7VREGNQG","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":"93bc747f42846bed542b5327505400661e6331814b2b5156b5116eb3501f1c91","cross_cats_sorted":["hep-ex","hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T16:06:28Z","title_canon_sha256":"f3162b32b617a40bed2838ed122e2ef71f6b759adc25265d68ab76d0fd0a3c4a"},"schema_version":"1.0","source":{"id":"2101.12661","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.12661","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"arxiv_version","alias_value":"2101.12661v4","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.12661","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"pith_short_12","alias_value":"T5VQMKFK2CZJ","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"pith_short_16","alias_value":"T5VQMKFK2CZJ7NQT","created_at":"2026-07-05T02:40:31Z"},{"alias_kind":"pith_short_8","alias_value":"T5VQMKFK","created_at":"2026-07-05T02:40:31Z"}],"graph_snapshots":[{"event_id":"sha256:9670bc457e94639dba35277ab63cb9828e9153572f0d33cb454b2c7619e73669","target":"graph","created_at":"2026-07-05T02:40:31Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2101.12661/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that using renormalization-group summation to generate the QCD radiative corrections to the $\\pi-\\gamma$ transition form factor, calculated with lightcone sum rules (LCSR), renders the strong coupling free of Landau singularities while preserving the QCD form-factor asymptotics. This enables a reliable applicability of the LCSR method to momenta well below 1 GeV$^2$. This way, one can use the new preliminary BESIII data with unprecedented accuracy below 1.5 GeV$^2$ to fine tune the prefactor of the twist-six contribution. Using a combined fit to all available data below 3.1 GeV$^2$, we","authors_text":"A. V. Pimikov, N. G. Stefanis, S. V. Mikhailov","cross_cats":["hep-ex","hep-lat"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T16:06:28Z","title":"Extending the application of the LCSR method to low momenta using QCD renormalization-group summation. Theory and phenomenology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.12661","kind":"arxiv","version":4},"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":"sha256:2fa8866a973594e0703fb51694cef6a60efc164c6b374a2bb2660895dbede5cc","target":"record","created_at":"2026-07-05T02:40:31Z","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":"93bc747f42846bed542b5327505400661e6331814b2b5156b5116eb3501f1c91","cross_cats_sorted":["hep-ex","hep-lat"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-01-29T16:06:28Z","title_canon_sha256":"f3162b32b617a40bed2838ed122e2ef71f6b759adc25265d68ab76d0fd0a3c4a"},"schema_version":"1.0","source":{"id":"2101.12661","kind":"arxiv","version":4}},"canonical_sha256":"9f6b0628aad0b29fb6135c3f5890cd81b795390f9b75948b5a8b11a841718932","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f6b0628aad0b29fb6135c3f5890cd81b795390f9b75948b5a8b11a841718932","first_computed_at":"2026-07-05T02:40:31.587211Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:40:31.587211Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"grwCSz9cTWNZRv+X8a+sku94ysvUxN8C2KrYlzCZo0KUgQZ01Fvd51GhfQIsAupW1BRKH8GoP5yDykMgZAmJCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:40:31.587719Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.12661","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2fa8866a973594e0703fb51694cef6a60efc164c6b374a2bb2660895dbede5cc","sha256:9670bc457e94639dba35277ab63cb9828e9153572f0d33cb454b2c7619e73669"],"state_sha256":"8bccab9ead337cc16ee6f18081c070370043d229e4e50fba9e574840377714e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lafLmU3vrrTGq4sfr2rM4fDK4qCWgdNBfuXq11ZUb0ktS3+bei0/ZrBJKF768XdIb66v70GXw1kdNrE3JzzUBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T15:43:56.934581Z","bundle_sha256":"f578cc15db147a3a56f5a260b8a5455e3a6ea544f0c9e4d75d65a2a6e4c74a7e"}}