{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BOJ3SW6HUCP3FEUSC2MGBE2ZQZ","short_pith_number":"pith:BOJ3SW6H","canonical_record":{"source":{"id":"2004.02972","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T20:02:45Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a69c84a233903c9ba631e672824a88087068cc2940eb3df65b85807fe647e54b","abstract_canon_sha256":"afe5fc0159c3fab6dc20ab59373a7996569248b4b92380a43a08b381d064c627"},"schema_version":"1.0"},"canonical_sha256":"0b93b95bc7a09fb29292169860935986738f5ccf221cd18d325aaf055bc5746f","source":{"kind":"arxiv","id":"2004.02972","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.02972","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"2004.02972v1","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.02972","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"BOJ3SW6HUCP3","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"pith_short_16","alias_value":"BOJ3SW6HUCP3FEUS","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"pith_short_8","alias_value":"BOJ3SW6H","created_at":"2026-07-05T02:02:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BOJ3SW6HUCP3FEUSC2MGBE2ZQZ","target":"record","payload":{"canonical_record":{"source":{"id":"2004.02972","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T20:02:45Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a69c84a233903c9ba631e672824a88087068cc2940eb3df65b85807fe647e54b","abstract_canon_sha256":"afe5fc0159c3fab6dc20ab59373a7996569248b4b92380a43a08b381d064c627"},"schema_version":"1.0"},"canonical_sha256":"0b93b95bc7a09fb29292169860935986738f5ccf221cd18d325aaf055bc5746f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:02:33.973355Z","signature_b64":"dvrot71WiYR26i0J6CkEJSrd25QZ1YKYufurJ/s5lO0RNNTRRo38JrK4QBL/0RJSbfBhAhJ7fO8Pz8VM8dKOAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b93b95bc7a09fb29292169860935986738f5ccf221cd18d325aaf055bc5746f","last_reissued_at":"2026-07-05T02:02:33.972853Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:02:33.972853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.02972","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":"2026-07-05T02:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i6yOaedcF/pRdo8xQSToIWVkS6vX27GeMEyqrZLI89fQPSETCPC5qAQ+WVzzWx7LksXNtqm+f/v1zOhnN8nrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T19:46:32.051715Z"},"content_sha256":"df7cfbdd37482fee248eecc7b42266474c510286bf8317c92cc5936f848b332d","schema_version":"1.0","event_id":"sha256:df7cfbdd37482fee248eecc7b42266474c510286bf8317c92cc5936f848b332d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BOJ3SW6HUCP3FEUSC2MGBE2ZQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Particle Identification Using Boosted Decision Trees in the Semi-Digital Hadronic Calorimeter Prototype","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Gallas, A. Irles, A. Pingault, A. Steen, A. Thiebault, A. Verdugo, B. Bilki, B. Freund, B. Li, B. Liu, C. Combaret, C. Graf, Ch. de la Taille, C. Winter, D. Boumediene, D. Breton, D. Northacker, D-W. Kim, D. Zerwas, E. Calvo Alamillo, E. Edy, F. Corriveau, F. Dulucq, F. Gastaldi, F. Lagarde, F. Magniette, F. Richard, F. Simon, G. Cho, G. Grenier, G. Martin-Chassard, H.J. Yang, H. Mathez, H. Videau S. Callier, I. Laktineh, I. Polak, I. Sekiya, J. Bonis, J-C. Brient, J-C. Ianigro, J. Cvach, J.F. Hu, J. Guo, J. Jeglot, J. Kvasnicka, J. Maalmi, J. Marin, J. Nanni, J. Navarrete, J. Puerta Pelayo, J. Smolik, J. Zalesak, J. Zuklin, K. Kawagoe, L. Caponetto, L. Emberger, L. Mirabito, L. Raux, M. Anduze, M.C. Fouz, M. Chadeeva, M. Danilov, M. Janata, M. Kovalcuk, M. Tytgat, N. Lumb, N. Seguin-Moreau, P. Cornebise, Q.P. Shen, R. Ete G. Garillot, R. Guillaumat, R. Mori, R. P\\\"oschl, S. C. Lee, S. Li, S. Vallecorsa, T. Kurca, T. Suehara, T. Yoshioka, V. Balagura, V. Boudry, V. Vrba, W.H. Wu, W. Park, X. Wang, Y. Deguchi, Y.F. Zhu, Y. Miura, Y. Onel, Y.Y. Duan","submitted_at":"2020-04-06T20:02:45Z","abstract_excerpt":"The CALICE Semi-Digital Hadronic CALorimeter (SDHCAL) prototype using Glass Resistive Plate Chambers as a sensitive medium is the first technological prototype of a family of high-granularity calorimeters developed by the CALICE collaboration to equip the experiments of future leptonic colliders. It was exposed to beams of hadrons, electrons and muons several times in the CERN PS and SPS beamlines between 2012 and 2018. We present here a new method of particle identification within the SDHCAL using the Boosted Decision Trees (BDT) method applied to the data collected in 2015. The performance o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.02972","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/2004.02972/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":"2026-07-05T02:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WtOYcK6QFBHrk5VDud2oQUXSphbWHlOkPEtv18cgHgwKKntnwVQPSRnjMYB2jE/X8Sd+nsLEI6Pg7QICg/dyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T19:46:32.052097Z"},"content_sha256":"9c2edc67a9afa9128a1c1cbe93291712a5e45aefc34ca69025f0e90446353682","schema_version":"1.0","event_id":"sha256:9c2edc67a9afa9128a1c1cbe93291712a5e45aefc34ca69025f0e90446353682"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ/bundle.json","state_url":"https://pith.science/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ/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":"2026-07-15T19:46:32Z","links":{"resolver":"https://pith.science/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ","bundle":"https://pith.science/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ/bundle.json","state":"https://pith.science/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BOJ3SW6HUCP3FEUSC2MGBE2ZQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BOJ3SW6HUCP3FEUSC2MGBE2ZQZ","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":"afe5fc0159c3fab6dc20ab59373a7996569248b4b92380a43a08b381d064c627","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T20:02:45Z","title_canon_sha256":"a69c84a233903c9ba631e672824a88087068cc2940eb3df65b85807fe647e54b"},"schema_version":"1.0","source":{"id":"2004.02972","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.02972","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"2004.02972v1","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.02972","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"BOJ3SW6HUCP3","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"pith_short_16","alias_value":"BOJ3SW6HUCP3FEUS","created_at":"2026-07-05T02:02:33Z"},{"alias_kind":"pith_short_8","alias_value":"BOJ3SW6H","created_at":"2026-07-05T02:02:33Z"}],"graph_snapshots":[{"event_id":"sha256:9c2edc67a9afa9128a1c1cbe93291712a5e45aefc34ca69025f0e90446353682","target":"graph","created_at":"2026-07-05T02:02:33Z","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/2004.02972/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The CALICE Semi-Digital Hadronic CALorimeter (SDHCAL) prototype using Glass Resistive Plate Chambers as a sensitive medium is the first technological prototype of a family of high-granularity calorimeters developed by the CALICE collaboration to equip the experiments of future leptonic colliders. It was exposed to beams of hadrons, electrons and muons several times in the CERN PS and SPS beamlines between 2012 and 2018. We present here a new method of particle identification within the SDHCAL using the Boosted Decision Trees (BDT) method applied to the data collected in 2015. The performance o","authors_text":"A. Gallas, A. Irles, A. Pingault, A. Steen, A. Thiebault, A. Verdugo, B. Bilki, B. Freund, B. Li, B. Liu, C. Combaret, C. Graf, Ch. de la Taille, C. Winter, D. Boumediene, D. Breton, D. Northacker, D-W. Kim, D. Zerwas, E. Calvo Alamillo, E. Edy, F. Corriveau, F. Dulucq, F. Gastaldi, F. Lagarde, F. Magniette, F. Richard, F. Simon, G. Cho, G. Grenier, G. Martin-Chassard, H.J. Yang, H. Mathez, H. Videau S. Callier, I. Laktineh, I. Polak, I. Sekiya, J. Bonis, J-C. Brient, J-C. Ianigro, J. Cvach, J.F. Hu, J. Guo, J. Jeglot, J. Kvasnicka, J. Maalmi, J. Marin, J. Nanni, J. Navarrete, J. Puerta Pelayo, J. Smolik, J. Zalesak, J. Zuklin, K. Kawagoe, L. Caponetto, L. Emberger, L. Mirabito, L. Raux, M. Anduze, M.C. Fouz, M. Chadeeva, M. Danilov, M. Janata, M. Kovalcuk, M. Tytgat, N. Lumb, N. Seguin-Moreau, P. Cornebise, Q.P. Shen, R. Ete G. Garillot, R. Guillaumat, R. Mori, R. P\\\"oschl, S. C. Lee, S. Li, S. Vallecorsa, T. Kurca, T. Suehara, T. Yoshioka, V. Balagura, V. Boudry, V. Vrba, W.H. Wu, W. Park, X. Wang, Y. Deguchi, Y.F. Zhu, Y. Miura, Y. Onel, Y.Y. Duan","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T20:02:45Z","title":"Particle Identification Using Boosted Decision Trees in the Semi-Digital Hadronic Calorimeter Prototype"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.02972","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:df7cfbdd37482fee248eecc7b42266474c510286bf8317c92cc5936f848b332d","target":"record","created_at":"2026-07-05T02:02:33Z","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":"afe5fc0159c3fab6dc20ab59373a7996569248b4b92380a43a08b381d064c627","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-06T20:02:45Z","title_canon_sha256":"a69c84a233903c9ba631e672824a88087068cc2940eb3df65b85807fe647e54b"},"schema_version":"1.0","source":{"id":"2004.02972","kind":"arxiv","version":1}},"canonical_sha256":"0b93b95bc7a09fb29292169860935986738f5ccf221cd18d325aaf055bc5746f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b93b95bc7a09fb29292169860935986738f5ccf221cd18d325aaf055bc5746f","first_computed_at":"2026-07-05T02:02:33.972853Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:02:33.972853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dvrot71WiYR26i0J6CkEJSrd25QZ1YKYufurJ/s5lO0RNNTRRo38JrK4QBL/0RJSbfBhAhJ7fO8Pz8VM8dKOAg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:02:33.973355Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.02972","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df7cfbdd37482fee248eecc7b42266474c510286bf8317c92cc5936f848b332d","sha256:9c2edc67a9afa9128a1c1cbe93291712a5e45aefc34ca69025f0e90446353682"],"state_sha256":"ad92fca8fd7d5a5b8f4ebd673a6c952ee57a8744a7109287f763de5ebaeaac41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JrBbDYT/8Xe8MxRd6Z//a4CyFx8lbO2YKIH9A1x85NVePPJR50HPHV2xot02YQ6atpQqpodHSwTjBSlDxLKbCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-15T19:46:32.054347Z","bundle_sha256":"aea1356a807560e01fcb31dd634f3f5ecba84c7349004afd5b9f760c28d34d50"}}