{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:HNQIDRAS62A67BMDKFJALQDMNC","short_pith_number":"pith:HNQIDRAS","canonical_record":{"source":{"id":"2306.09454","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T19:20:33Z","cross_cats_sorted":[],"title_canon_sha256":"fde2f4f878a72d0b8837e6a4f455a63dc9cf442eacc0d72b75db62f798780a66","abstract_canon_sha256":"c4984f33fbc9a32b8708311d13110d17b1c3571d44b71c7abe26c995cdfb3813"},"schema_version":"1.0"},"canonical_sha256":"3b6081c412f681ef8583515205c06c68894527d3bfe9c221d48c3b2591a6e409","source":{"kind":"arxiv","id":"2306.09454","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.09454","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"2306.09454v2","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.09454","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"HNQIDRAS62A6","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"pith_short_16","alias_value":"HNQIDRAS62A67BMD","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"pith_short_8","alias_value":"HNQIDRAS","created_at":"2026-07-05T07:18:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:HNQIDRAS62A67BMDKFJALQDMNC","target":"record","payload":{"canonical_record":{"source":{"id":"2306.09454","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T19:20:33Z","cross_cats_sorted":[],"title_canon_sha256":"fde2f4f878a72d0b8837e6a4f455a63dc9cf442eacc0d72b75db62f798780a66","abstract_canon_sha256":"c4984f33fbc9a32b8708311d13110d17b1c3571d44b71c7abe26c995cdfb3813"},"schema_version":"1.0"},"canonical_sha256":"3b6081c412f681ef8583515205c06c68894527d3bfe9c221d48c3b2591a6e409","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:18:10.612972Z","signature_b64":"Lh47JmuY011TqfFaEmfpJw6E/DjB6O2mmpZiZvYqZvj8regUlwMumOthEP/8mfnJT+HppXw2sfCaNjHGToURBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b6081c412f681ef8583515205c06c68894527d3bfe9c221d48c3b2591a6e409","last_reissued_at":"2026-07-05T07:18:10.612445Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:18:10.612445Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.09454","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":"2026-07-05T07:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3DvmAAbt604vZMemujsoNPiszVtFBNf0ylYEdZePLqHVR2IzfIqjLoBvVwmGeVNZKsBsI82iT/J07abnneeTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T02:19:53.909651Z"},"content_sha256":"32834321be67e3f5c690bc943899935710e793670d0c2a008e50c44d6ef8fd22","schema_version":"1.0","event_id":"sha256:32834321be67e3f5c690bc943899935710e793670d0c2a008e50c44d6ef8fd22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:HNQIDRAS62A67BMDKFJALQDMNC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analytical Evaluation of Elastic Lepton-Proton Two-Photon Exchange in Chiral Perturbation Theory","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Dipankar Chakrabarti, Fred Myhrer, Poonam Choudhary, Udit Raha","submitted_at":"2023-06-15T19:20:33Z","abstract_excerpt":"We present an exact evaluation of the two-photon exchange contribution to the elastic lepton-proton scattering process at low-energies using heavy baryon chiral perturbation theory. The evaluation is performed including next-to-leading order accuracy. This exact analytical evaluation contains all soft and hard two-photon exchanges and we identify the contributions missing in a soft-photon approximation approach. We evaluate the infrared divergent four-point box diagrams analytically using dimensional regularization. We also emphasize the differences between muon-proton and electron-proton scat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.09454","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2306.09454/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":"2026-07-05T07:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JyUZ8rBBgSXdsMJlpJoNTg9qIjDxffF2x45y4e9MZgRQlYsJRI4eXl7mOfCI8O4/GiicQbZVAVE8mqOMBOmAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T02:19:53.910651Z"},"content_sha256":"8704e878434abe0eec1c38fdc838ff0a041f86dc6fca1ba9453e0ea7ee5716e0","schema_version":"1.0","event_id":"sha256:8704e878434abe0eec1c38fdc838ff0a041f86dc6fca1ba9453e0ea7ee5716e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HNQIDRAS62A67BMDKFJALQDMNC/bundle.json","state_url":"https://pith.science/pith/HNQIDRAS62A67BMDKFJALQDMNC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HNQIDRAS62A67BMDKFJALQDMNC/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":"2026-08-03T02:19:53Z","links":{"resolver":"https://pith.science/pith/HNQIDRAS62A67BMDKFJALQDMNC","bundle":"https://pith.science/pith/HNQIDRAS62A67BMDKFJALQDMNC/bundle.json","state":"https://pith.science/pith/HNQIDRAS62A67BMDKFJALQDMNC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HNQIDRAS62A67BMDKFJALQDMNC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:HNQIDRAS62A67BMDKFJALQDMNC","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":"c4984f33fbc9a32b8708311d13110d17b1c3571d44b71c7abe26c995cdfb3813","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T19:20:33Z","title_canon_sha256":"fde2f4f878a72d0b8837e6a4f455a63dc9cf442eacc0d72b75db62f798780a66"},"schema_version":"1.0","source":{"id":"2306.09454","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.09454","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"2306.09454v2","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.09454","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"HNQIDRAS62A6","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"pith_short_16","alias_value":"HNQIDRAS62A67BMD","created_at":"2026-07-05T07:18:10Z"},{"alias_kind":"pith_short_8","alias_value":"HNQIDRAS","created_at":"2026-07-05T07:18:10Z"}],"graph_snapshots":[{"event_id":"sha256:8704e878434abe0eec1c38fdc838ff0a041f86dc6fca1ba9453e0ea7ee5716e0","target":"graph","created_at":"2026-07-05T07:18:10Z","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/2306.09454/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an exact evaluation of the two-photon exchange contribution to the elastic lepton-proton scattering process at low-energies using heavy baryon chiral perturbation theory. The evaluation is performed including next-to-leading order accuracy. This exact analytical evaluation contains all soft and hard two-photon exchanges and we identify the contributions missing in a soft-photon approximation approach. We evaluate the infrared divergent four-point box diagrams analytically using dimensional regularization. We also emphasize the differences between muon-proton and electron-proton scat","authors_text":"Dipankar Chakrabarti, Fred Myhrer, Poonam Choudhary, Udit Raha","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T19:20:33Z","title":"Analytical Evaluation of Elastic Lepton-Proton Two-Photon Exchange in Chiral Perturbation Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.09454","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":"sha256:32834321be67e3f5c690bc943899935710e793670d0c2a008e50c44d6ef8fd22","target":"record","created_at":"2026-07-05T07:18:10Z","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":"c4984f33fbc9a32b8708311d13110d17b1c3571d44b71c7abe26c995cdfb3813","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-06-15T19:20:33Z","title_canon_sha256":"fde2f4f878a72d0b8837e6a4f455a63dc9cf442eacc0d72b75db62f798780a66"},"schema_version":"1.0","source":{"id":"2306.09454","kind":"arxiv","version":2}},"canonical_sha256":"3b6081c412f681ef8583515205c06c68894527d3bfe9c221d48c3b2591a6e409","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b6081c412f681ef8583515205c06c68894527d3bfe9c221d48c3b2591a6e409","first_computed_at":"2026-07-05T07:18:10.612445Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:18:10.612445Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lh47JmuY011TqfFaEmfpJw6E/DjB6O2mmpZiZvYqZvj8regUlwMumOthEP/8mfnJT+HppXw2sfCaNjHGToURBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:18:10.612972Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.09454","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32834321be67e3f5c690bc943899935710e793670d0c2a008e50c44d6ef8fd22","sha256:8704e878434abe0eec1c38fdc838ff0a041f86dc6fca1ba9453e0ea7ee5716e0"],"state_sha256":"3d35687bbeb9b1708e2f3128f212b52b9a9835cd5b1e2a6c8e02b5aac250f4d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jrjlSQykV1YdY3MemV1x9yGQ+lefLgQP8mhgkE/B4hALKeNh5uA1aD0LsvhK+vshIHrZFuOsY3gurfz+iitACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T02:19:53.916868Z","bundle_sha256":"954bbe086da62acffeac6d2c3ecd232767a9901e6011e50d95755a68b1901ea4"}}