{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:RR4EJL7GA6DVN3MMPGOXX2YEY3","short_pith_number":"pith:RR4EJL7G","canonical_record":{"source":{"id":"2509.07068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-09-08T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"696523226d65b59924a6e4a86b0da1380ccc0bfa27fb619786e9e2489a61faa9","abstract_canon_sha256":"ad83f275de23a8c0ef555686db3b3bc07791c583c8ae03db6dbd0251025ecd58"},"schema_version":"1.0"},"canonical_sha256":"8c7844afe6078756ed8c799d7beb04c6e41097fd3ab70de2fc2d63e13aa55dfe","source":{"kind":"arxiv","id":"2509.07068","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.07068","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"arxiv_version","alias_value":"2509.07068v1","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.07068","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"pith_short_12","alias_value":"RR4EJL7GA6DV","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"pith_short_16","alias_value":"RR4EJL7GA6DVN3MM","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"pith_short_8","alias_value":"RR4EJL7G","created_at":"2026-07-01T14:23:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:RR4EJL7GA6DVN3MMPGOXX2YEY3","target":"record","payload":{"canonical_record":{"source":{"id":"2509.07068","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-09-08T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"696523226d65b59924a6e4a86b0da1380ccc0bfa27fb619786e9e2489a61faa9","abstract_canon_sha256":"ad83f275de23a8c0ef555686db3b3bc07791c583c8ae03db6dbd0251025ecd58"},"schema_version":"1.0"},"canonical_sha256":"8c7844afe6078756ed8c799d7beb04c6e41097fd3ab70de2fc2d63e13aa55dfe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-01T14:23:06.322527Z","signature_b64":"x/eRmZQVsMbQnfN5RbRGWZTZCi2IsX63b4hbRIv4PT6ifxAXzAUY7Zc619GxNgRu0o7GY9Q+iZNcVd1DSl84Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c7844afe6078756ed8c799d7beb04c6e41097fd3ab70de2fc2d63e13aa55dfe","last_reissued_at":"2026-07-01T14:23:06.322037Z","signature_status":"signed_v1","first_computed_at":"2026-07-01T14:23:06.322037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.07068","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":"2026-07-01T14:23:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hLXTakWOLjSZZuq8ECtnS+80VSRUrOEZoAMHA1JBgUd6HWG623tdzMK88FPnE/A3tUA59/MAw3dy4a8/eevpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:47:20.011222Z"},"content_sha256":"1ac25af271d50cf6aa1012ce2b6314fa8f5efdfe0811c1983f60c18cb4b66204","schema_version":"1.0","event_id":"sha256:1ac25af271d50cf6aa1012ce2b6314fa8f5efdfe0811c1983f60c18cb4b66204"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:RR4EJL7GA6DVN3MMPGOXX2YEY3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FASTColor -- Full-color Amplitude Surrogate Toolkit for QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Javier Mari\\~no Villadamigo, Ramon Winterhalder, Rikkert Frederix, Tilman Plehn, Timea Vitos","submitted_at":"2025-09-08T18:00:01Z","abstract_excerpt":"High-multiplicity events remain a bottleneck for LHC simulations due to their computational cost. We present a ML-surrogate approach to accelerate matrix element reweighting from leading-color (LC) to full-color (FC) accuracy, building on recent advancements in LC event generation. Comparing a variety of modern network architectures for representative QCD processes, we achieve speed-up of around a factor two over the current LC-to-FC baseline. We also show how transformers learn and exploit underlying symmetries, to improve generalization. Given the gained trust in trained networks and develop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.07068","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2509.07068/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":"2026-07-01T14:23:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P+hRHUlBwo0GW/vMFOzMZYlN8EcrmuBRIy1Na3JWP/5trMoFH9Cfoc1rIGydOuX6motYEeb5V6RN8QuZd3uLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:47:20.011728Z"},"content_sha256":"46a9ec9f619ba80badeaf4227f17808bf1acd34ee71fdd3cd6cab95dea74c003","schema_version":"1.0","event_id":"sha256:46a9ec9f619ba80badeaf4227f17808bf1acd34ee71fdd3cd6cab95dea74c003"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3/bundle.json","state_url":"https://pith.science/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3/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":"2026-08-05T01:47:20Z","links":{"resolver":"https://pith.science/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3","bundle":"https://pith.science/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3/bundle.json","state":"https://pith.science/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RR4EJL7GA6DVN3MMPGOXX2YEY3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:RR4EJL7GA6DVN3MMPGOXX2YEY3","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":"ad83f275de23a8c0ef555686db3b3bc07791c583c8ae03db6dbd0251025ecd58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-09-08T18:00:01Z","title_canon_sha256":"696523226d65b59924a6e4a86b0da1380ccc0bfa27fb619786e9e2489a61faa9"},"schema_version":"1.0","source":{"id":"2509.07068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.07068","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"arxiv_version","alias_value":"2509.07068v1","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.07068","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"pith_short_12","alias_value":"RR4EJL7GA6DV","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"pith_short_16","alias_value":"RR4EJL7GA6DVN3MM","created_at":"2026-07-01T14:23:06Z"},{"alias_kind":"pith_short_8","alias_value":"RR4EJL7G","created_at":"2026-07-01T14:23:06Z"}],"graph_snapshots":[{"event_id":"sha256:46a9ec9f619ba80badeaf4227f17808bf1acd34ee71fdd3cd6cab95dea74c003","target":"graph","created_at":"2026-07-01T14:23:06Z","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/2509.07068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-multiplicity events remain a bottleneck for LHC simulations due to their computational cost. We present a ML-surrogate approach to accelerate matrix element reweighting from leading-color (LC) to full-color (FC) accuracy, building on recent advancements in LC event generation. Comparing a variety of modern network architectures for representative QCD processes, we achieve speed-up of around a factor two over the current LC-to-FC baseline. We also show how transformers learn and exploit underlying symmetries, to improve generalization. Given the gained trust in trained networks and develop","authors_text":"Javier Mari\\~no Villadamigo, Ramon Winterhalder, Rikkert Frederix, Tilman Plehn, Timea Vitos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-09-08T18:00:01Z","title":"FASTColor -- Full-color Amplitude Surrogate Toolkit for QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.07068","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":"sha256:1ac25af271d50cf6aa1012ce2b6314fa8f5efdfe0811c1983f60c18cb4b66204","target":"record","created_at":"2026-07-01T14:23:06Z","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":"ad83f275de23a8c0ef555686db3b3bc07791c583c8ae03db6dbd0251025ecd58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-09-08T18:00:01Z","title_canon_sha256":"696523226d65b59924a6e4a86b0da1380ccc0bfa27fb619786e9e2489a61faa9"},"schema_version":"1.0","source":{"id":"2509.07068","kind":"arxiv","version":1}},"canonical_sha256":"8c7844afe6078756ed8c799d7beb04c6e41097fd3ab70de2fc2d63e13aa55dfe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c7844afe6078756ed8c799d7beb04c6e41097fd3ab70de2fc2d63e13aa55dfe","first_computed_at":"2026-07-01T14:23:06.322037Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T14:23:06.322037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x/eRmZQVsMbQnfN5RbRGWZTZCi2IsX63b4hbRIv4PT6ifxAXzAUY7Zc619GxNgRu0o7GY9Q+iZNcVd1DSl84Ag==","signature_status":"signed_v1","signed_at":"2026-07-01T14:23:06.322527Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.07068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ac25af271d50cf6aa1012ce2b6314fa8f5efdfe0811c1983f60c18cb4b66204","sha256:46a9ec9f619ba80badeaf4227f17808bf1acd34ee71fdd3cd6cab95dea74c003"],"state_sha256":"cf4b495f39831220e9248963aca3c7141272305c68f5ed6771dfea8d832ad8e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d6bSqUfS+6VSLdb4xIBpae53U7/OpXy2VcuaYjdXBnv0AqVjqlvuBB8HQbyqbwA0sStDJalW+ZAM+NaLDHVDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T01:47:20.016559Z","bundle_sha256":"e4b18ba5985c8d30f41b905839b050d9f8f40a6fa74cd77e1614636060a0420c"}}