{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:F255EN22JALXHSGMGYGDTEN7KH","short_pith_number":"pith:F255EN22","canonical_record":{"source":{"id":"1805.07756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-20T11:49:17Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"19365d189515efb202465b322c409694973da6e73f58802b3fd5363ac49de0bd","abstract_canon_sha256":"05ad2df11285fa1be675622a1aac3d31cab056cbe55df9d8137d541ba7d5b974"},"schema_version":"1.0"},"canonical_sha256":"2ebbd2375a481773c8cc360c3991bf51e5e354fcf1cf0fcb2c515ef1d5b1b9a8","source":{"kind":"arxiv","id":"1805.07756","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.07756","created_at":"2026-05-18T00:00:55Z"},{"alias_kind":"arxiv_version","alias_value":"1805.07756v1","created_at":"2026-05-18T00:00:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.07756","created_at":"2026-05-18T00:00:55Z"},{"alias_kind":"pith_short_12","alias_value":"F255EN22JALX","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F255EN22JALXHSGM","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F255EN22","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:F255EN22JALXHSGMGYGDTEN7KH","target":"record","payload":{"canonical_record":{"source":{"id":"1805.07756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-20T11:49:17Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"19365d189515efb202465b322c409694973da6e73f58802b3fd5363ac49de0bd","abstract_canon_sha256":"05ad2df11285fa1be675622a1aac3d31cab056cbe55df9d8137d541ba7d5b974"},"schema_version":"1.0"},"canonical_sha256":"2ebbd2375a481773c8cc360c3991bf51e5e354fcf1cf0fcb2c515ef1d5b1b9a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:55.762930Z","signature_b64":"iEtL+zydmycX1+gDXheaMkiXOMOYRBuKQmMowqVifgNl9TbSFelI7hMjJd27hjgY8iYMPNZw2XzCP4/Lm+idCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ebbd2375a481773c8cc360c3991bf51e5e354fcf1cf0fcb2c515ef1d5b1b9a8","last_reissued_at":"2026-05-18T00:00:55.762354Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:55.762354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.07756","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:00:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3RicsJWhxFWXNCICwvKQydg7FsvUto2VFoz7eWk9j0WGiKugvP5pj30f6cpFTDmo/lODqbQrXEwKr6g5fYjeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T01:30:44.427655Z"},"content_sha256":"2fa3f88001ba507772f25fd1b1c5674dbedbe53cbb24d8fc5477cd347b104f92","schema_version":"1.0","event_id":"sha256:2fa3f88001ba507772f25fd1b1c5674dbedbe53cbb24d8fc5477cd347b104f92"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:F255EN22JALXHSGMGYGDTEN7KH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EKHARA 3.0: an update of the EKHARA Monte Carlo event generator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Henryk Czyz, Patrycja Kisza","submitted_at":"2018-05-20T11:49:17Z","abstract_excerpt":"The Monte Carlo event generator EKHARA was upgraded during last years.\n  The upgrades presented here contain: a) the inclusion of new final states $e^+e^-\\to e^+e^-\\eta $, $e^+e^-\\to e^+e^-\\eta'$, $e^+e^-\\to e^+e^- \\chi_{c_i} $ and $e^+e^-\\to e^+e^- \\chi_{c_i} (\\to J/\\psi (\\to \\mu^+\\mu^-)\\gamma)$; b) new $\\gamma^*-\\gamma^*-P$ transition form factors and c) the radiative corrections to the reactions $e^+e^-\\to e^+e^-P $. For the upgrades a) and b), we present here only the pieces missing in other publications, mostly algorithms used in the phase space generation. The radiative corrections are p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.07756","kind":"arxiv","version":1},"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":"2026-05-18T00:00:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H5BNuXmv44OpZ6bpCUxBYu9LjmkjfCqg20GTKlYNebD2vbIeuk7ycDFjdDFs9LNA3U4IBW63YRJo2QNB+hDcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T01:30:44.428001Z"},"content_sha256":"c7e2303470c5a59e0d68dbab7c916702bd88f8d330c4a8d6fef1cbd72fc16439","schema_version":"1.0","event_id":"sha256:c7e2303470c5a59e0d68dbab7c916702bd88f8d330c4a8d6fef1cbd72fc16439"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F255EN22JALXHSGMGYGDTEN7KH/bundle.json","state_url":"https://pith.science/pith/F255EN22JALXHSGMGYGDTEN7KH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F255EN22JALXHSGMGYGDTEN7KH/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":"2026-07-02T01:30:44Z","links":{"resolver":"https://pith.science/pith/F255EN22JALXHSGMGYGDTEN7KH","bundle":"https://pith.science/pith/F255EN22JALXHSGMGYGDTEN7KH/bundle.json","state":"https://pith.science/pith/F255EN22JALXHSGMGYGDTEN7KH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F255EN22JALXHSGMGYGDTEN7KH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:F255EN22JALXHSGMGYGDTEN7KH","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":"05ad2df11285fa1be675622a1aac3d31cab056cbe55df9d8137d541ba7d5b974","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-20T11:49:17Z","title_canon_sha256":"19365d189515efb202465b322c409694973da6e73f58802b3fd5363ac49de0bd"},"schema_version":"1.0","source":{"id":"1805.07756","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.07756","created_at":"2026-05-18T00:00:55Z"},{"alias_kind":"arxiv_version","alias_value":"1805.07756v1","created_at":"2026-05-18T00:00:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.07756","created_at":"2026-05-18T00:00:55Z"},{"alias_kind":"pith_short_12","alias_value":"F255EN22JALX","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"F255EN22JALXHSGM","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"F255EN22","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:c7e2303470c5a59e0d68dbab7c916702bd88f8d330c4a8d6fef1cbd72fc16439","target":"graph","created_at":"2026-05-18T00:00:55Z","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 Monte Carlo event generator EKHARA was upgraded during last years.\n  The upgrades presented here contain: a) the inclusion of new final states $e^+e^-\\to e^+e^-\\eta $, $e^+e^-\\to e^+e^-\\eta'$, $e^+e^-\\to e^+e^- \\chi_{c_i} $ and $e^+e^-\\to e^+e^- \\chi_{c_i} (\\to J/\\psi (\\to \\mu^+\\mu^-)\\gamma)$; b) new $\\gamma^*-\\gamma^*-P$ transition form factors and c) the radiative corrections to the reactions $e^+e^-\\to e^+e^-P $. For the upgrades a) and b), we present here only the pieces missing in other publications, mostly algorithms used in the phase space generation. The radiative corrections are p","authors_text":"Henryk Czyz, Patrycja Kisza","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-20T11:49:17Z","title":"EKHARA 3.0: an update of the EKHARA Monte Carlo event generator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.07756","kind":"arxiv","version":1},"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":"sha256:2fa3f88001ba507772f25fd1b1c5674dbedbe53cbb24d8fc5477cd347b104f92","target":"record","created_at":"2026-05-18T00:00:55Z","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":"05ad2df11285fa1be675622a1aac3d31cab056cbe55df9d8137d541ba7d5b974","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-20T11:49:17Z","title_canon_sha256":"19365d189515efb202465b322c409694973da6e73f58802b3fd5363ac49de0bd"},"schema_version":"1.0","source":{"id":"1805.07756","kind":"arxiv","version":1}},"canonical_sha256":"2ebbd2375a481773c8cc360c3991bf51e5e354fcf1cf0fcb2c515ef1d5b1b9a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ebbd2375a481773c8cc360c3991bf51e5e354fcf1cf0fcb2c515ef1d5b1b9a8","first_computed_at":"2026-05-18T00:00:55.762354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:55.762354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iEtL+zydmycX1+gDXheaMkiXOMOYRBuKQmMowqVifgNl9TbSFelI7hMjJd27hjgY8iYMPNZw2XzCP4/Lm+idCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:55.762930Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.07756","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2fa3f88001ba507772f25fd1b1c5674dbedbe53cbb24d8fc5477cd347b104f92","sha256:c7e2303470c5a59e0d68dbab7c916702bd88f8d330c4a8d6fef1cbd72fc16439"],"state_sha256":"936b88c6eafe0d519ca92fa2b69ea70e4cc43ef1c6e5a7859934c4cb3ec4a215"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gpU/bJ2NeRc5m4bCqFjIV1pSE34rWmOdsxAi+L0NTC+Senoo7Ekada3eZ0AuCGVWGRAr0/HF/zj4gp03WtJRBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T01:30:44.429955Z","bundle_sha256":"351bf896ee7aa82514f30ee873b1fcac9ca00d241ea7a91daa97e2ef11596782"}}