{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:CXNWFVBOZD2W4ZC6DL47Y6EPQ5","short_pith_number":"pith:CXNWFVBO","canonical_record":{"source":{"id":"2203.12557","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-03-23T17:16:02Z","cross_cats_sorted":[],"title_canon_sha256":"7d7287be15cea5fc7e8976ea4f89c94c9222d8bf976f1c30b51b6f0306e82044","abstract_canon_sha256":"8b9953eb17b6245be905da5a8ed58fee79c001e054de7f98a8750cd314e66b7f"},"schema_version":"1.0"},"canonical_sha256":"15db62d42ec8f56e645e1af9fc788f8775e659162343189bfb520eb74bce144c","source":{"kind":"arxiv","id":"2203.12557","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.12557","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"arxiv_version","alias_value":"2203.12557v2","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12557","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"pith_short_12","alias_value":"CXNWFVBOZD2W","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"pith_short_16","alias_value":"CXNWFVBOZD2W4ZC6","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"pith_short_8","alias_value":"CXNWFVBO","created_at":"2026-07-05T04:18:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:CXNWFVBOZD2W4ZC6DL47Y6EPQ5","target":"record","payload":{"canonical_record":{"source":{"id":"2203.12557","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-03-23T17:16:02Z","cross_cats_sorted":[],"title_canon_sha256":"7d7287be15cea5fc7e8976ea4f89c94c9222d8bf976f1c30b51b6f0306e82044","abstract_canon_sha256":"8b9953eb17b6245be905da5a8ed58fee79c001e054de7f98a8750cd314e66b7f"},"schema_version":"1.0"},"canonical_sha256":"15db62d42ec8f56e645e1af9fc788f8775e659162343189bfb520eb74bce144c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:18:18.292239Z","signature_b64":"nEKk4KN9mlmBfxkA/fLxR/nWBsFcISoXVLhO1cRTGD7BjaIoeCVMiRG1b5wRc1IKPsahOuiROEHOFrOWBY3HCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15db62d42ec8f56e645e1af9fc788f8775e659162343189bfb520eb74bce144c","last_reissued_at":"2026-07-05T04:18:18.291732Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:18:18.291732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.12557","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":"2026-07-05T04:18:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VkoLmIEd8Qccc8Yc+NezcM7VS0MksZRZ6UjL7O2DwazEGZ3NSfoG4HKHPhJWNZNvYD2fh1hCUeviRUTjqKaoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:39:29.949927Z"},"content_sha256":"6465477a7b009802ffa30196c24be41c6e73388701e28d94fa6ee3ed0644c6bf","schema_version":"1.0","event_id":"sha256:6465477a7b009802ffa30196c24be41c6e73388701e28d94fa6ee3ed0644c6bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:CXNWFVBOZD2W4ZC6DL47Y6EPQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Initial state QED radiation aspects for future $e^+e^-$ colliders","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Denner, A. Price, A. Signer, A. Vicini, B.F.L. Ward, C.M. Carloni Calame, E. Laenen, F. Piccinini, G. Montagna, G. Stagnitto, J. Reuter, L. Flower, L. Gellersen, L. Vernazza, M.R. Masouminia, M. Rocco, M. Sch\\\"onherr, M. Zaro, O. Nicrosini, R. Verheyen, S. Dittmaier, S. Frixione, S. Hoeche, S. Jadach, S. Pl\\\"atzer, T. Engel, T. Sj\\\"ostrand, Y. Ulrich","submitted_at":"2022-03-23T17:16:02Z","abstract_excerpt":"This white paper concerns theoretical and phenomenological aspects relevant to the physics of future $e^+e^-$ colliders, in particular regarding initial-state QED radiation. The contributions each contain key technical aspects, and are formulated in a pedagogical manner so as to render them accessible also to those who are not directly working on these and immediately-related topics. This should help both experts and non-experts understand the theoretical challenges that we shall face at future $e^+e^-$ colliders. Specifically, this paper contains descriptions of the treatment of initial state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12557","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/2203.12557/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":"2026-07-05T04:18:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dR/EMjG4ZsLH7YvOpfmstJabsjseTQ4fw4eQjBYxCZyngx94KC1h6NZULCVua8QkRlc5m8NuB4EsEsJmKHYpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:39:29.950420Z"},"content_sha256":"7e915a691108d4a5b973627b8ce907ff2ca2ec0b39b43651933d5fae8aa4a862","schema_version":"1.0","event_id":"sha256:7e915a691108d4a5b973627b8ce907ff2ca2ec0b39b43651933d5fae8aa4a862"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5/bundle.json","state_url":"https://pith.science/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5/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":"2026-08-03T23:39:29Z","links":{"resolver":"https://pith.science/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5","bundle":"https://pith.science/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5/bundle.json","state":"https://pith.science/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CXNWFVBOZD2W4ZC6DL47Y6EPQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:CXNWFVBOZD2W4ZC6DL47Y6EPQ5","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":"8b9953eb17b6245be905da5a8ed58fee79c001e054de7f98a8750cd314e66b7f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-03-23T17:16:02Z","title_canon_sha256":"7d7287be15cea5fc7e8976ea4f89c94c9222d8bf976f1c30b51b6f0306e82044"},"schema_version":"1.0","source":{"id":"2203.12557","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.12557","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"arxiv_version","alias_value":"2203.12557v2","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.12557","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"pith_short_12","alias_value":"CXNWFVBOZD2W","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"pith_short_16","alias_value":"CXNWFVBOZD2W4ZC6","created_at":"2026-07-05T04:18:18Z"},{"alias_kind":"pith_short_8","alias_value":"CXNWFVBO","created_at":"2026-07-05T04:18:18Z"}],"graph_snapshots":[{"event_id":"sha256:7e915a691108d4a5b973627b8ce907ff2ca2ec0b39b43651933d5fae8aa4a862","target":"graph","created_at":"2026-07-05T04:18:18Z","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/2203.12557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This white paper concerns theoretical and phenomenological aspects relevant to the physics of future $e^+e^-$ colliders, in particular regarding initial-state QED radiation. The contributions each contain key technical aspects, and are formulated in a pedagogical manner so as to render them accessible also to those who are not directly working on these and immediately-related topics. This should help both experts and non-experts understand the theoretical challenges that we shall face at future $e^+e^-$ colliders. Specifically, this paper contains descriptions of the treatment of initial state","authors_text":"A. Denner, A. Price, A. Signer, A. Vicini, B.F.L. Ward, C.M. Carloni Calame, E. Laenen, F. Piccinini, G. Montagna, G. Stagnitto, J. Reuter, L. Flower, L. Gellersen, L. Vernazza, M.R. Masouminia, M. Rocco, M. Sch\\\"onherr, M. Zaro, O. Nicrosini, R. Verheyen, S. Dittmaier, S. Frixione, S. Hoeche, S. Jadach, S. Pl\\\"atzer, T. Engel, T. Sj\\\"ostrand, Y. Ulrich","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-03-23T17:16:02Z","title":"Initial state QED radiation aspects for future $e^+e^-$ colliders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.12557","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":"sha256:6465477a7b009802ffa30196c24be41c6e73388701e28d94fa6ee3ed0644c6bf","target":"record","created_at":"2026-07-05T04:18:18Z","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":"8b9953eb17b6245be905da5a8ed58fee79c001e054de7f98a8750cd314e66b7f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2022-03-23T17:16:02Z","title_canon_sha256":"7d7287be15cea5fc7e8976ea4f89c94c9222d8bf976f1c30b51b6f0306e82044"},"schema_version":"1.0","source":{"id":"2203.12557","kind":"arxiv","version":2}},"canonical_sha256":"15db62d42ec8f56e645e1af9fc788f8775e659162343189bfb520eb74bce144c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15db62d42ec8f56e645e1af9fc788f8775e659162343189bfb520eb74bce144c","first_computed_at":"2026-07-05T04:18:18.291732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:18:18.291732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nEKk4KN9mlmBfxkA/fLxR/nWBsFcISoXVLhO1cRTGD7BjaIoeCVMiRG1b5wRc1IKPsahOuiROEHOFrOWBY3HCg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:18:18.292239Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.12557","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6465477a7b009802ffa30196c24be41c6e73388701e28d94fa6ee3ed0644c6bf","sha256:7e915a691108d4a5b973627b8ce907ff2ca2ec0b39b43651933d5fae8aa4a862"],"state_sha256":"a7545fa3a713442a8bdde9e5684304cffa4f671c2504e58b28351c29d598201f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3+dzxY8WgcJBKT0qyTwQ1HRLqOyhOGlLSVYTQaaIuIwg5EUiEc2QCG06FW0QQWAmCrAU8e6LkvMEjrZBld3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T23:39:29.953799Z","bundle_sha256":"a83240e79e4538d097844336fdeaa15afe035377d08793da6c7cc6fb609186c1"}}