{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:2H7HZ4NCFMPH3Q4BGCS5JW6PTB","short_pith_number":"pith:2H7HZ4NC","canonical_record":{"source":{"id":"2210.14245","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2022-10-25T18:00:25Z","cross_cats_sorted":["cs.LG","hep-ex","hep-ph","physics.data-an"],"title_canon_sha256":"97cc09f33d0825161b09ef7ff1320501a1cf07a9a3150e6425bed9fe8ab596c4","abstract_canon_sha256":"819d396f093a0df74ca3d6da24319888954e0bca948fdc63e77108b40b3fb100"},"schema_version":"1.0"},"canonical_sha256":"d1fe7cf1a22b1e7dc38130a5d4dbcf9855831f587977633a827dfb74a5b19ca9","source":{"kind":"arxiv","id":"2210.14245","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.14245","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"arxiv_version","alias_value":"2210.14245v3","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.14245","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"pith_short_12","alias_value":"2H7HZ4NCFMPH","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"pith_short_16","alias_value":"2H7HZ4NCFMPH3Q4B","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"pith_short_8","alias_value":"2H7HZ4NC","created_at":"2026-07-05T08:19:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:2H7HZ4NCFMPH3Q4BGCS5JW6PTB","target":"record","payload":{"canonical_record":{"source":{"id":"2210.14245","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2022-10-25T18:00:25Z","cross_cats_sorted":["cs.LG","hep-ex","hep-ph","physics.data-an"],"title_canon_sha256":"97cc09f33d0825161b09ef7ff1320501a1cf07a9a3150e6425bed9fe8ab596c4","abstract_canon_sha256":"819d396f093a0df74ca3d6da24319888954e0bca948fdc63e77108b40b3fb100"},"schema_version":"1.0"},"canonical_sha256":"d1fe7cf1a22b1e7dc38130a5d4dbcf9855831f587977633a827dfb74a5b19ca9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:19:33.410224Z","signature_b64":"QFXn9hqM2X8Xo6x9zBnwA/1TWoYhH6ZC2PH3fD1RGPhk1q9W3/KTE072JeYcwA9E9dIgVhzn7CfomcS9oIf/CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1fe7cf1a22b1e7dc38130a5d4dbcf9855831f587977633a827dfb74a5b19ca9","last_reissued_at":"2026-07-05T08:19:33.409731Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:19:33.409731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.14245","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:19:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+A3Kbuudt515UmsdUf/eOKyuWAmSONlf/zNrIw2tWnoTN4Tgjl83pK/6O+m5ca90cDRgF1N5xtrBV1ZXKif4CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T23:17:49.358525Z"},"content_sha256":"ba2721d330004914184f255652db626a5e5855ae0612741a3f23b7a9000952cc","schema_version":"1.0","event_id":"sha256:ba2721d330004914184f255652db626a5e5855ae0612741a3f23b7a9000952cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:2H7HZ4NCFMPH3Q4BGCS5JW6PTB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CaloFlow for CaloChallenge Dataset 1","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","hep-ex","hep-ph","physics.data-an"],"primary_cat":"physics.ins-det","authors_text":"Claudius Krause, David Shih, Ian Pang","submitted_at":"2022-10-25T18:00:25Z","abstract_excerpt":"CaloFlow is a new and promising approach to fast calorimeter simulation based on normalizing flows. Applying CaloFlow to the photon and charged pion Geant4 showers of Dataset 1 of the Fast Calorimeter Simulation Challenge 2022, we show how it can produce high-fidelity samples with a sampling time that is several orders of magnitude faster than Geant4. We demonstrate the fidelity of the samples using calorimeter shower images, histograms of high-level features, and aggregate metrics such as a classifier trained to distinguish CaloFlow from Geant4 samples."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.14245","kind":"arxiv","version":3},"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/2210.14245/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":"2026-07-05T08:19:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bHXcLnTxBKJ7FT2+oxsPl2A37rylRrwk36YQiwB6jAOpkFDulcuLX96XIkkZsdYJ88vGuaahbzuEz3uaCNU7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T23:17:49.359016Z"},"content_sha256":"e143202923c38de5feda5319ff2b70a0a83f8e49f9da677786cc929f5e286408","schema_version":"1.0","event_id":"sha256:e143202923c38de5feda5319ff2b70a0a83f8e49f9da677786cc929f5e286408"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB/bundle.json","state_url":"https://pith.science/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB/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":"2026-08-15T23:17:49Z","links":{"resolver":"https://pith.science/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB","bundle":"https://pith.science/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB/bundle.json","state":"https://pith.science/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2H7HZ4NCFMPH3Q4BGCS5JW6PTB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:2H7HZ4NCFMPH3Q4BGCS5JW6PTB","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":"819d396f093a0df74ca3d6da24319888954e0bca948fdc63e77108b40b3fb100","cross_cats_sorted":["cs.LG","hep-ex","hep-ph","physics.data-an"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2022-10-25T18:00:25Z","title_canon_sha256":"97cc09f33d0825161b09ef7ff1320501a1cf07a9a3150e6425bed9fe8ab596c4"},"schema_version":"1.0","source":{"id":"2210.14245","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.14245","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"arxiv_version","alias_value":"2210.14245v3","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.14245","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"pith_short_12","alias_value":"2H7HZ4NCFMPH","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"pith_short_16","alias_value":"2H7HZ4NCFMPH3Q4B","created_at":"2026-07-05T08:19:33Z"},{"alias_kind":"pith_short_8","alias_value":"2H7HZ4NC","created_at":"2026-07-05T08:19:33Z"}],"graph_snapshots":[{"event_id":"sha256:e143202923c38de5feda5319ff2b70a0a83f8e49f9da677786cc929f5e286408","target":"graph","created_at":"2026-07-05T08:19:33Z","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/2210.14245/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"CaloFlow is a new and promising approach to fast calorimeter simulation based on normalizing flows. Applying CaloFlow to the photon and charged pion Geant4 showers of Dataset 1 of the Fast Calorimeter Simulation Challenge 2022, we show how it can produce high-fidelity samples with a sampling time that is several orders of magnitude faster than Geant4. We demonstrate the fidelity of the samples using calorimeter shower images, histograms of high-level features, and aggregate metrics such as a classifier trained to distinguish CaloFlow from Geant4 samples.","authors_text":"Claudius Krause, David Shih, Ian Pang","cross_cats":["cs.LG","hep-ex","hep-ph","physics.data-an"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2022-10-25T18:00:25Z","title":"CaloFlow for CaloChallenge Dataset 1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.14245","kind":"arxiv","version":3},"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:ba2721d330004914184f255652db626a5e5855ae0612741a3f23b7a9000952cc","target":"record","created_at":"2026-07-05T08:19:33Z","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":"819d396f093a0df74ca3d6da24319888954e0bca948fdc63e77108b40b3fb100","cross_cats_sorted":["cs.LG","hep-ex","hep-ph","physics.data-an"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2022-10-25T18:00:25Z","title_canon_sha256":"97cc09f33d0825161b09ef7ff1320501a1cf07a9a3150e6425bed9fe8ab596c4"},"schema_version":"1.0","source":{"id":"2210.14245","kind":"arxiv","version":3}},"canonical_sha256":"d1fe7cf1a22b1e7dc38130a5d4dbcf9855831f587977633a827dfb74a5b19ca9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1fe7cf1a22b1e7dc38130a5d4dbcf9855831f587977633a827dfb74a5b19ca9","first_computed_at":"2026-07-05T08:19:33.409731Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:19:33.409731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QFXn9hqM2X8Xo6x9zBnwA/1TWoYhH6ZC2PH3fD1RGPhk1q9W3/KTE072JeYcwA9E9dIgVhzn7CfomcS9oIf/CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:19:33.410224Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.14245","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba2721d330004914184f255652db626a5e5855ae0612741a3f23b7a9000952cc","sha256:e143202923c38de5feda5319ff2b70a0a83f8e49f9da677786cc929f5e286408"],"state_sha256":"3ac55170d4b4f52bfdcdd34b25d8893509000ff4b709389e8ea40ee9dbe84212"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4fwQmucfFH764j1feKtlwXLTpTMxPdMNwFr2746asEOCfn/WgFdhSNrRV7f4xLSHVgcpfnCPykRAhlLAu/p9Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T23:17:49.363970Z","bundle_sha256":"7e5c886db4d2d6477167279e1cd6b05d24a006c358462dcd83b4e916fea9ccd5"}}