{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:RUEIK6MCDTD5P6Q3ZG2T7OJX5G","short_pith_number":"pith:RUEIK6MC","canonical_record":{"source":{"id":"0902.4403","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-02-25T15:57:27Z","cross_cats_sorted":[],"title_canon_sha256":"e62dfac27faef59cd5d75f319c2e09bf16fcbd581e6a79f3b773a04cf9cf8117","abstract_canon_sha256":"1a8db64d27fcadf60a60723b0110602e374905ff18df060ff833e8585ac14bab"},"schema_version":"1.0"},"canonical_sha256":"8d088579821cc7d7fa1bc9b53fb937e9a5cd051a6073b00b6b27b401073fe5e7","source":{"kind":"arxiv","id":"0902.4403","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.4403","created_at":"2026-05-18T02:35:00Z"},{"alias_kind":"arxiv_version","alias_value":"0902.4403v2","created_at":"2026-05-18T02:35:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4403","created_at":"2026-05-18T02:35:00Z"},{"alias_kind":"pith_short_12","alias_value":"RUEIK6MCDTD5","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"RUEIK6MCDTD5P6Q3","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"RUEIK6MC","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:RUEIK6MCDTD5P6Q3ZG2T7OJX5G","target":"record","payload":{"canonical_record":{"source":{"id":"0902.4403","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-02-25T15:57:27Z","cross_cats_sorted":[],"title_canon_sha256":"e62dfac27faef59cd5d75f319c2e09bf16fcbd581e6a79f3b773a04cf9cf8117","abstract_canon_sha256":"1a8db64d27fcadf60a60723b0110602e374905ff18df060ff833e8585ac14bab"},"schema_version":"1.0"},"canonical_sha256":"8d088579821cc7d7fa1bc9b53fb937e9a5cd051a6073b00b6b27b401073fe5e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:00.824258Z","signature_b64":"XfBiGYgD//bDHAVFD064HXRaR7KbBfOKucZVNP28yiUGHyGQt2Ns1MVoidfUAeB3ccNB44axwU7jYPf3OqdMDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d088579821cc7d7fa1bc9b53fb937e9a5cd051a6073b00b6b27b401073fe5e7","last_reissued_at":"2026-05-18T02:35:00.823812Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:00.823812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.4403","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":"2026-05-18T02:35:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LXTlttUUKMJwfuqB10Hr7qiShueT6lXyX9Lui2jTq6ZfVs56q2TCzm9CAqQCq8CRFWQDg0VJjuOU0/O+ZymUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T08:32:07.901055Z"},"content_sha256":"e4f111cb3e9f88969c23f4772f898fe15354c50f4311976fd33227b462abd722","schema_version":"1.0","event_id":"sha256:e4f111cb3e9f88969c23f4772f898fe15354c50f4311976fd33227b462abd722"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:RUEIK6MCDTD5P6Q3ZG2T7OJX5G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monte Carlo event generator validation and tuning for the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andy Buckley, Hendrik Hoeth, Holger Schulz, Jan Eike von Seggern","submitted_at":"2009-02-25T15:57:27Z","abstract_excerpt":"We summarise the motivation for, and the status of, the tools developed by CEDAR/MCnet for validating and tuning Monte Carlo event generators for the LHC against data from previous colliders. We then present selected preliminary results from studies of event shapes and hadronisation observables from e+e- colliders, and of minimum bias and underlying event observables from the Tevatron, and comment on the approach needed with early LHC data to best exploit the potential for new physics discoveries at the LHC in the next few years."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4403","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":"2026-05-18T02:35:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AaklMH31LC5qNBDQL2mukChzv51fxbu7flmyxK2JY+gATFhokCxiMkcXsxV9q8IpWf16rco7OLzD2SB+m3doAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T08:32:07.901431Z"},"content_sha256":"fa12334d147e70356daf4509bb2cc0ef7171e94c4c5c181d9ddcc6e8f42d762a","schema_version":"1.0","event_id":"sha256:fa12334d147e70356daf4509bb2cc0ef7171e94c4c5c181d9ddcc6e8f42d762a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G/bundle.json","state_url":"https://pith.science/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G/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":"2026-06-04T08:32:07Z","links":{"resolver":"https://pith.science/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G","bundle":"https://pith.science/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G/bundle.json","state":"https://pith.science/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUEIK6MCDTD5P6Q3ZG2T7OJX5G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:RUEIK6MCDTD5P6Q3ZG2T7OJX5G","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":"1a8db64d27fcadf60a60723b0110602e374905ff18df060ff833e8585ac14bab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-02-25T15:57:27Z","title_canon_sha256":"e62dfac27faef59cd5d75f319c2e09bf16fcbd581e6a79f3b773a04cf9cf8117"},"schema_version":"1.0","source":{"id":"0902.4403","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.4403","created_at":"2026-05-18T02:35:00Z"},{"alias_kind":"arxiv_version","alias_value":"0902.4403v2","created_at":"2026-05-18T02:35:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4403","created_at":"2026-05-18T02:35:00Z"},{"alias_kind":"pith_short_12","alias_value":"RUEIK6MCDTD5","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"RUEIK6MCDTD5P6Q3","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"RUEIK6MC","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:fa12334d147e70356daf4509bb2cc0ef7171e94c4c5c181d9ddcc6e8f42d762a","target":"graph","created_at":"2026-05-18T02:35:00Z","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":"We summarise the motivation for, and the status of, the tools developed by CEDAR/MCnet for validating and tuning Monte Carlo event generators for the LHC against data from previous colliders. We then present selected preliminary results from studies of event shapes and hadronisation observables from e+e- colliders, and of minimum bias and underlying event observables from the Tevatron, and comment on the approach needed with early LHC data to best exploit the potential for new physics discoveries at the LHC in the next few years.","authors_text":"Andy Buckley, Hendrik Hoeth, Holger Schulz, Jan Eike von Seggern","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-02-25T15:57:27Z","title":"Monte Carlo event generator validation and tuning for the LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4403","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:e4f111cb3e9f88969c23f4772f898fe15354c50f4311976fd33227b462abd722","target":"record","created_at":"2026-05-18T02:35:00Z","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":"1a8db64d27fcadf60a60723b0110602e374905ff18df060ff833e8585ac14bab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-02-25T15:57:27Z","title_canon_sha256":"e62dfac27faef59cd5d75f319c2e09bf16fcbd581e6a79f3b773a04cf9cf8117"},"schema_version":"1.0","source":{"id":"0902.4403","kind":"arxiv","version":2}},"canonical_sha256":"8d088579821cc7d7fa1bc9b53fb937e9a5cd051a6073b00b6b27b401073fe5e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d088579821cc7d7fa1bc9b53fb937e9a5cd051a6073b00b6b27b401073fe5e7","first_computed_at":"2026-05-18T02:35:00.823812Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:35:00.823812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XfBiGYgD//bDHAVFD064HXRaR7KbBfOKucZVNP28yiUGHyGQt2Ns1MVoidfUAeB3ccNB44axwU7jYPf3OqdMDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:35:00.824258Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.4403","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4f111cb3e9f88969c23f4772f898fe15354c50f4311976fd33227b462abd722","sha256:fa12334d147e70356daf4509bb2cc0ef7171e94c4c5c181d9ddcc6e8f42d762a"],"state_sha256":"838c82ecb104f3778505efda5f92e7ba79ad27d2ba5223e488d9a97f32538306"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQ/cOdRoxfZqVBm+ATISN1HS4kUMT856qOvron6Av/hhHlWW+L17Eyh2s1LMmyIW9qI4DAjGGS5ZZMtlDWyeDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T08:32:07.903845Z","bundle_sha256":"8e67d9d2b693d343fec524409000fad1e98e4b0ae3c1b817da02fbc801c3c3b1"}}