{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:L3YBY5HKCHXS4GRMH4PJIIBUJU","short_pith_number":"pith:L3YBY5HK","canonical_record":{"source":{"id":"1203.0045","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-29T23:15:52Z","cross_cats_sorted":[],"title_canon_sha256":"07f88ac071c9f759b6a487e20d528b7e06985e6cb4a1d822410141724d769ade","abstract_canon_sha256":"4be71674339133801bbc19a2b01ce26e2c9216fa8cad21b94681056964a869dc"},"schema_version":"1.0"},"canonical_sha256":"5ef01c74ea11ef2e1a2c3f1e9420344d2c59a413c2fc94b5a6293a0f095d162d","source":{"kind":"arxiv","id":"1203.0045","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0045","created_at":"2026-05-18T04:01:01Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0045v2","created_at":"2026-05-18T04:01:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0045","created_at":"2026-05-18T04:01:01Z"},{"alias_kind":"pith_short_12","alias_value":"L3YBY5HKCHXS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"L3YBY5HKCHXS4GRM","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"L3YBY5HK","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:L3YBY5HKCHXS4GRMH4PJIIBUJU","target":"record","payload":{"canonical_record":{"source":{"id":"1203.0045","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-29T23:15:52Z","cross_cats_sorted":[],"title_canon_sha256":"07f88ac071c9f759b6a487e20d528b7e06985e6cb4a1d822410141724d769ade","abstract_canon_sha256":"4be71674339133801bbc19a2b01ce26e2c9216fa8cad21b94681056964a869dc"},"schema_version":"1.0"},"canonical_sha256":"5ef01c74ea11ef2e1a2c3f1e9420344d2c59a413c2fc94b5a6293a0f095d162d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:01.321400Z","signature_b64":"s/gY39hXZdF62a76HyhLZYhIFGPopXP+bZvXMuukLSPT34Wq+/jTFEdn0bG4+K+gIaxIYNo18jign/zrR/bhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ef01c74ea11ef2e1a2c3f1e9420344d2c59a413c2fc94b5a6293a0f095d162d","last_reissued_at":"2026-05-18T04:01:01.320525Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:01.320525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.0045","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":"2026-05-18T04:01:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0cCfA3/tI78HGe7+uAlPxb5XXXriDW9TORI5/DmmgD2ChH+LhDodVFNcx23niXtiuniwkFx83pMWQ0WqodtzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T19:46:06.714333Z"},"content_sha256":"a3f178b1a2229a40a25594959faa4399e8c58cfdb2ed6ad0b9fe7ec4af8e5868","schema_version":"1.0","event_id":"sha256:a3f178b1a2229a40a25594959faa4399e8c58cfdb2ed6ad0b9fe7ec4af8e5868"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:L3YBY5HKCHXS4GRMH4PJIIBUJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A closer look at the beam-beam processes at ILC and CLIC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Anthony Hartin","submitted_at":"2012-02-29T23:15:52Z","abstract_excerpt":"The strength of the electromagnetic fields in the bunch collision at a linear collider will have a significant effect, yielding large numbers of beamstrahlung photons and associated coherent pair production. These effects are limited in the proposed ILC beam parameters which limit the strength of the bunch field to $\\Upsilon_{\\text{ave}}=0.27$. The CLIC 3 Tev design by comparison has a $\\Upsilon_{\\text{ave}}=3.34$ yielding huge number of coherent pairs. In terms of the precision physics programs of these proposed colliders there is an imperative to investigate the effect of the strong bunch fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0045","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":""},"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":"2026-05-18T04:01:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SAnNorlPz/XuryobssoM18nqn3qO7yIpBuslraDz2WqM1Wm+BjqDN5ZSKpmHwsITmnwdeO3GnuxMN+8T31ZTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T19:46:06.714685Z"},"content_sha256":"6a1b8b3cd27993c437ab7788b5a76926d704858fcfd6bd26cdfb1bf8d78ed554","schema_version":"1.0","event_id":"sha256:6a1b8b3cd27993c437ab7788b5a76926d704858fcfd6bd26cdfb1bf8d78ed554"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU/bundle.json","state_url":"https://pith.science/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU/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":"2026-06-25T19:46:06Z","links":{"resolver":"https://pith.science/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU","bundle":"https://pith.science/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU/bundle.json","state":"https://pith.science/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L3YBY5HKCHXS4GRMH4PJIIBUJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:L3YBY5HKCHXS4GRMH4PJIIBUJU","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":"4be71674339133801bbc19a2b01ce26e2c9216fa8cad21b94681056964a869dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-29T23:15:52Z","title_canon_sha256":"07f88ac071c9f759b6a487e20d528b7e06985e6cb4a1d822410141724d769ade"},"schema_version":"1.0","source":{"id":"1203.0045","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.0045","created_at":"2026-05-18T04:01:01Z"},{"alias_kind":"arxiv_version","alias_value":"1203.0045v2","created_at":"2026-05-18T04:01:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.0045","created_at":"2026-05-18T04:01:01Z"},{"alias_kind":"pith_short_12","alias_value":"L3YBY5HKCHXS","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"L3YBY5HKCHXS4GRM","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"L3YBY5HK","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:6a1b8b3cd27993c437ab7788b5a76926d704858fcfd6bd26cdfb1bf8d78ed554","target":"graph","created_at":"2026-05-18T04:01:01Z","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":"The strength of the electromagnetic fields in the bunch collision at a linear collider will have a significant effect, yielding large numbers of beamstrahlung photons and associated coherent pair production. These effects are limited in the proposed ILC beam parameters which limit the strength of the bunch field to $\\Upsilon_{\\text{ave}}=0.27$. The CLIC 3 Tev design by comparison has a $\\Upsilon_{\\text{ave}}=3.34$ yielding huge number of coherent pairs. In terms of the precision physics programs of these proposed colliders there is an imperative to investigate the effect of the strong bunch fi","authors_text":"Anthony Hartin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-29T23:15:52Z","title":"A closer look at the beam-beam processes at ILC and CLIC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.0045","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:a3f178b1a2229a40a25594959faa4399e8c58cfdb2ed6ad0b9fe7ec4af8e5868","target":"record","created_at":"2026-05-18T04:01:01Z","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":"4be71674339133801bbc19a2b01ce26e2c9216fa8cad21b94681056964a869dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-29T23:15:52Z","title_canon_sha256":"07f88ac071c9f759b6a487e20d528b7e06985e6cb4a1d822410141724d769ade"},"schema_version":"1.0","source":{"id":"1203.0045","kind":"arxiv","version":2}},"canonical_sha256":"5ef01c74ea11ef2e1a2c3f1e9420344d2c59a413c2fc94b5a6293a0f095d162d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ef01c74ea11ef2e1a2c3f1e9420344d2c59a413c2fc94b5a6293a0f095d162d","first_computed_at":"2026-05-18T04:01:01.320525Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:01.320525Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s/gY39hXZdF62a76HyhLZYhIFGPopXP+bZvXMuukLSPT34Wq+/jTFEdn0bG4+K+gIaxIYNo18jign/zrR/bhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:01.321400Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.0045","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3f178b1a2229a40a25594959faa4399e8c58cfdb2ed6ad0b9fe7ec4af8e5868","sha256:6a1b8b3cd27993c437ab7788b5a76926d704858fcfd6bd26cdfb1bf8d78ed554"],"state_sha256":"d20d69a8635c0d51f7d6033090260fce573975d7767b6b97ad63cc6b0bc10dfa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qfytE2vRIm0035s8hEPJdi96aBk3FTndASHz1OjrpL5N6JlK+bE964/3PKqjq3S0SisHWRn4uihzFsPsAZp7Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T19:46:06.716794Z","bundle_sha256":"9a228e27473f74fe89f2ae4c64b144005b9bad5db45bbd47b9cd6321f778476a"}}