{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DJTNG37WRACYUGZUYFLFQ3SZRM","short_pith_number":"pith:DJTNG37W","canonical_record":{"source":{"id":"2208.02274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-08-03T18:00:36Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"521335bc205a9e1170ab21636f1657fc26f69d77aead14b888b741004fbeb6b3","abstract_canon_sha256":"e6c53e3b8e197ff330fcc6489125eebaf2418aa87e34ba18e7e6655ea9f6cd74"},"schema_version":"1.0"},"canonical_sha256":"1a66d36ff688058a1b34c156586e598b26444e229d166d3bf0874aab6ad4fce5","source":{"kind":"arxiv","id":"2208.02274","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.02274","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"arxiv_version","alias_value":"2208.02274v1","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.02274","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"pith_short_12","alias_value":"DJTNG37WRACY","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"pith_short_16","alias_value":"DJTNG37WRACYUGZU","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"pith_short_8","alias_value":"DJTNG37W","created_at":"2026-07-05T04:46:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DJTNG37WRACYUGZUYFLFQ3SZRM","target":"record","payload":{"canonical_record":{"source":{"id":"2208.02274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-08-03T18:00:36Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"521335bc205a9e1170ab21636f1657fc26f69d77aead14b888b741004fbeb6b3","abstract_canon_sha256":"e6c53e3b8e197ff330fcc6489125eebaf2418aa87e34ba18e7e6655ea9f6cd74"},"schema_version":"1.0"},"canonical_sha256":"1a66d36ff688058a1b34c156586e598b26444e229d166d3bf0874aab6ad4fce5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:46:01.787438Z","signature_b64":"oMZ9TSmREjFgxpOCzKgzNdROB3qPbmyyRGCjpWfzQZmihASIu/7vB98EnwmhSHgCeFfDyuKeXB8xveJmkAMHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a66d36ff688058a1b34c156586e598b26444e229d166d3bf0874aab6ad4fce5","last_reissued_at":"2026-07-05T04:46:01.786991Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:46:01.786991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.02274","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":"2026-07-05T04:46:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z83hIt0PO15AsOipF+qooodVDwSfGoZlxW/XUk1hx7tRBgCGT8vll1TI4EAe1QTDhGzxhuJs28oLM5/wtb5+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:43:19.119988Z"},"content_sha256":"45339be5acbddc87130a110fe959cc896ec42271c77da606ff90560e17e645a1","schema_version":"1.0","event_id":"sha256:45339be5acbddc87130a110fe959cc896ec42271c77da606ff90560e17e645a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DJTNG37WRACYUGZUYFLFQ3SZRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Morphing parton showers with event derivatives","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Benjamin Nachman, Stefan Prestel","submitted_at":"2022-08-03T18:00:36Z","abstract_excerpt":"We develop EventMover, a differentiable parton shower event generator. This tool generates high- and variable-length scattering events that can be moved with simulation derivatives to change the value of the scale $\\Lambda_\\mathrm{QCD}$ defining the strong coupling constant, without introducing statistical variations between samples. To demonstrate the potential for EventMover, we compare the output of the simulation with $e^+e^-$ data to show how one could fit $\\Lambda_\\mathrm{QCD}$ with only a single event sample. This is a critical step towards a fully differentiable event generator for par"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.02274","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/2208.02274/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":"2026-07-05T04:46:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gHvd6WKtZFB1nd1u0WhdxPjl69Muqq/PM9m+YhzTpP0wCrEno/wLAQWHk3uACtbME8HkI8phG3g/hpWLpEQlBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:43:19.120681Z"},"content_sha256":"0a333f5bf580585c9258c8bcdda046114cdfe1b85359bef83fefb389338bab12","schema_version":"1.0","event_id":"sha256:0a333f5bf580585c9258c8bcdda046114cdfe1b85359bef83fefb389338bab12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DJTNG37WRACYUGZUYFLFQ3SZRM/bundle.json","state_url":"https://pith.science/pith/DJTNG37WRACYUGZUYFLFQ3SZRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DJTNG37WRACYUGZUYFLFQ3SZRM/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":"2026-07-05T14:43:19Z","links":{"resolver":"https://pith.science/pith/DJTNG37WRACYUGZUYFLFQ3SZRM","bundle":"https://pith.science/pith/DJTNG37WRACYUGZUYFLFQ3SZRM/bundle.json","state":"https://pith.science/pith/DJTNG37WRACYUGZUYFLFQ3SZRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DJTNG37WRACYUGZUYFLFQ3SZRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DJTNG37WRACYUGZUYFLFQ3SZRM","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":"e6c53e3b8e197ff330fcc6489125eebaf2418aa87e34ba18e7e6655ea9f6cd74","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-08-03T18:00:36Z","title_canon_sha256":"521335bc205a9e1170ab21636f1657fc26f69d77aead14b888b741004fbeb6b3"},"schema_version":"1.0","source":{"id":"2208.02274","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.02274","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"arxiv_version","alias_value":"2208.02274v1","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.02274","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"pith_short_12","alias_value":"DJTNG37WRACY","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"pith_short_16","alias_value":"DJTNG37WRACYUGZU","created_at":"2026-07-05T04:46:01Z"},{"alias_kind":"pith_short_8","alias_value":"DJTNG37W","created_at":"2026-07-05T04:46:01Z"}],"graph_snapshots":[{"event_id":"sha256:0a333f5bf580585c9258c8bcdda046114cdfe1b85359bef83fefb389338bab12","target":"graph","created_at":"2026-07-05T04:46:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2208.02274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We develop EventMover, a differentiable parton shower event generator. This tool generates high- and variable-length scattering events that can be moved with simulation derivatives to change the value of the scale $\\Lambda_\\mathrm{QCD}$ defining the strong coupling constant, without introducing statistical variations between samples. To demonstrate the potential for EventMover, we compare the output of the simulation with $e^+e^-$ data to show how one could fit $\\Lambda_\\mathrm{QCD}$ with only a single event sample. This is a critical step towards a fully differentiable event generator for par","authors_text":"Benjamin Nachman, Stefan Prestel","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-08-03T18:00:36Z","title":"Morphing parton showers with event derivatives"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.02274","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":"sha256:45339be5acbddc87130a110fe959cc896ec42271c77da606ff90560e17e645a1","target":"record","created_at":"2026-07-05T04:46:01Z","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":"e6c53e3b8e197ff330fcc6489125eebaf2418aa87e34ba18e7e6655ea9f6cd74","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-08-03T18:00:36Z","title_canon_sha256":"521335bc205a9e1170ab21636f1657fc26f69d77aead14b888b741004fbeb6b3"},"schema_version":"1.0","source":{"id":"2208.02274","kind":"arxiv","version":1}},"canonical_sha256":"1a66d36ff688058a1b34c156586e598b26444e229d166d3bf0874aab6ad4fce5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a66d36ff688058a1b34c156586e598b26444e229d166d3bf0874aab6ad4fce5","first_computed_at":"2026-07-05T04:46:01.786991Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:46:01.786991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oMZ9TSmREjFgxpOCzKgzNdROB3qPbmyyRGCjpWfzQZmihASIu/7vB98EnwmhSHgCeFfDyuKeXB8xveJmkAMHDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:46:01.787438Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.02274","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45339be5acbddc87130a110fe959cc896ec42271c77da606ff90560e17e645a1","sha256:0a333f5bf580585c9258c8bcdda046114cdfe1b85359bef83fefb389338bab12"],"state_sha256":"ab0b212c600a4d2b81d2e8ea9ba7aaa28313a421bcedece0d9977b2b25cb86e5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ojU7125iYvmnHb4L/Ggo4Ct+AdfwwKkMnyxSXa6bdvHUPhphd7/uxOw7yw/8EOPPxmaAka/dg/kKP0IE23DcDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:43:19.124492Z","bundle_sha256":"1e8ea1bbe9bac3880270e61e1945d3ccd6915e974c8b927701c1e4cf8fe984a2"}}