{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CNYU3SXLO3MRZCGHLM3KW4L66B","short_pith_number":"pith:CNYU3SXL","canonical_record":{"source":{"id":"1807.01954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-07-05T12:05:19Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1bbc5ed0f41ebe07d5ab683017d68bf00d2db4ac057dba5081e1c050ebbbb892","abstract_canon_sha256":"763d735b929250b71906f2147912deb9debc5543c3a59eae7511828644d248c7"},"schema_version":"1.0"},"canonical_sha256":"13714dcaeb76d91c88c75b36ab717ef077030a5c54b0f3751ecd2297aaff0eb4","source":{"kind":"arxiv","id":"1807.01954","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01954","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01954v2","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01954","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"pith_short_12","alias_value":"CNYU3SXLO3MR","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"pith_short_16","alias_value":"CNYU3SXLO3MRZCGH","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"pith_short_8","alias_value":"CNYU3SXL","created_at":"2026-07-05T00:37:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CNYU3SXLO3MRZCGHLM3KW4L66B","target":"record","payload":{"canonical_record":{"source":{"id":"1807.01954","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-07-05T12:05:19Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"1bbc5ed0f41ebe07d5ab683017d68bf00d2db4ac057dba5081e1c050ebbbb892","abstract_canon_sha256":"763d735b929250b71906f2147912deb9debc5543c3a59eae7511828644d248c7"},"schema_version":"1.0"},"canonical_sha256":"13714dcaeb76d91c88c75b36ab717ef077030a5c54b0f3751ecd2297aaff0eb4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:37:59.996946Z","signature_b64":"HvGArPiH1Jo6yrCEob0zYSdkwyHvR4huBuUMuCXBmzmLkwxMLIMHNFL++6z3r1kfmin6xTNHAvQJHj2QqbUaCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13714dcaeb76d91c88c75b36ab717ef077030a5c54b0f3751ecd2297aaff0eb4","last_reissued_at":"2026-07-05T00:37:59.996539Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:37:59.996539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.01954","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":"2026-07-05T00:37:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4iecOfcG/UrePXW6DwNp0Fakjz62jcCnnUvC0u1v6uas8n9EAyc0Uv9JBehzWPcRGxwnGNvRIbsRJvsQ6x3PBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:16:51.021985Z"},"content_sha256":"e9a9ff614b2ad382bf0d896095ba8d586684f3a05923bc0d25d08e16b7a49371","schema_version":"1.0","event_id":"sha256:e9a9ff614b2ad382bf0d896095ba8d586684f3a05923bc0d25d08e16b7a49371"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CNYU3SXLO3MRZCGHLM3KW4L66B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Precise simulation of electromagnetic calorimeter showers using a Wasserstein Generative Adversarial Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Jonas Glombitza, Martin Erdmann, Thorben Quast","submitted_at":"2018-07-05T12:05:19Z","abstract_excerpt":"Simulations of particle showers in calorimeters are computationally time-consuming, as they have to reproduce both energy depositions and their considerable fluctuations. A new approach to ultra-fast simulations are generative models where all calorimeter energy depositions are generated simultaneously. We use GEANT4 simulations of an electron beam impinging on a multi-layer electromagnetic calorimeter for adversarial training of a generator network and a critic network guided by the Wasserstein distance. The generator is constraint during the training such that the generated showers show the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01954","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1807.01954/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":"2026-07-05T00:37:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zQwOTbhyAq14Qns6l4MSkvgcQgjJKOX3n9lAQKXcEp1jc49aGeAYe0QJWaRYd+Ixb23k0uAu4KHnWtPyG85pCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:16:51.022861Z"},"content_sha256":"a455ae3fffd222f79db698eba98ddfb5e18be9fe69425bb8c28eccbe2ec52297","schema_version":"1.0","event_id":"sha256:a455ae3fffd222f79db698eba98ddfb5e18be9fe69425bb8c28eccbe2ec52297"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CNYU3SXLO3MRZCGHLM3KW4L66B/bundle.json","state_url":"https://pith.science/pith/CNYU3SXLO3MRZCGHLM3KW4L66B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CNYU3SXLO3MRZCGHLM3KW4L66B/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":"2026-08-04T03:16:51Z","links":{"resolver":"https://pith.science/pith/CNYU3SXLO3MRZCGHLM3KW4L66B","bundle":"https://pith.science/pith/CNYU3SXLO3MRZCGHLM3KW4L66B/bundle.json","state":"https://pith.science/pith/CNYU3SXLO3MRZCGHLM3KW4L66B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CNYU3SXLO3MRZCGHLM3KW4L66B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CNYU3SXLO3MRZCGHLM3KW4L66B","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":"763d735b929250b71906f2147912deb9debc5543c3a59eae7511828644d248c7","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-07-05T12:05:19Z","title_canon_sha256":"1bbc5ed0f41ebe07d5ab683017d68bf00d2db4ac057dba5081e1c050ebbbb892"},"schema_version":"1.0","source":{"id":"1807.01954","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01954","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01954v2","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01954","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"pith_short_12","alias_value":"CNYU3SXLO3MR","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"pith_short_16","alias_value":"CNYU3SXLO3MRZCGH","created_at":"2026-07-05T00:37:59Z"},{"alias_kind":"pith_short_8","alias_value":"CNYU3SXL","created_at":"2026-07-05T00:37:59Z"}],"graph_snapshots":[{"event_id":"sha256:a455ae3fffd222f79db698eba98ddfb5e18be9fe69425bb8c28eccbe2ec52297","target":"graph","created_at":"2026-07-05T00:37:59Z","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/1807.01954/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Simulations of particle showers in calorimeters are computationally time-consuming, as they have to reproduce both energy depositions and their considerable fluctuations. A new approach to ultra-fast simulations are generative models where all calorimeter energy depositions are generated simultaneously. We use GEANT4 simulations of an electron beam impinging on a multi-layer electromagnetic calorimeter for adversarial training of a generator network and a critic network guided by the Wasserstein distance. The generator is constraint during the training such that the generated showers show the ","authors_text":"Jonas Glombitza, Martin Erdmann, Thorben Quast","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-07-05T12:05:19Z","title":"Precise simulation of electromagnetic calorimeter showers using a Wasserstein Generative Adversarial Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01954","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:e9a9ff614b2ad382bf0d896095ba8d586684f3a05923bc0d25d08e16b7a49371","target":"record","created_at":"2026-07-05T00:37:59Z","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":"763d735b929250b71906f2147912deb9debc5543c3a59eae7511828644d248c7","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-07-05T12:05:19Z","title_canon_sha256":"1bbc5ed0f41ebe07d5ab683017d68bf00d2db4ac057dba5081e1c050ebbbb892"},"schema_version":"1.0","source":{"id":"1807.01954","kind":"arxiv","version":2}},"canonical_sha256":"13714dcaeb76d91c88c75b36ab717ef077030a5c54b0f3751ecd2297aaff0eb4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13714dcaeb76d91c88c75b36ab717ef077030a5c54b0f3751ecd2297aaff0eb4","first_computed_at":"2026-07-05T00:37:59.996539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:37:59.996539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HvGArPiH1Jo6yrCEob0zYSdkwyHvR4huBuUMuCXBmzmLkwxMLIMHNFL++6z3r1kfmin6xTNHAvQJHj2QqbUaCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:37:59.996946Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01954","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9a9ff614b2ad382bf0d896095ba8d586684f3a05923bc0d25d08e16b7a49371","sha256:a455ae3fffd222f79db698eba98ddfb5e18be9fe69425bb8c28eccbe2ec52297"],"state_sha256":"a2b90518b032a2ec0ea8cb340ce5a192798004ac48a85cc0f1ec0c0190560d38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6zSKRJn6xeGl7Zsk0EslG6s0qE+wSHA9Fnwwr8XEv7fYJcKfWrl33UL6HVGYuxsLJAF+Kjt55gsUll8+iZnWBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T03:16:51.027728Z","bundle_sha256":"d244705d96634c56005fa68aaad6ac71f3975ebe079278ab3c6133bf2392f90e"}}