{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:NOQNDBLCG64I2ZGOIRMVH7UEAQ","short_pith_number":"pith:NOQNDBLC","canonical_record":{"source":{"id":"2304.05853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2023-04-12T13:35:57Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"a754b7bdf138e651110f5836750e461d6cc7182aaab4d314c49486718870da65","abstract_canon_sha256":"9fcd899067f56dff0472692dba5c171bd1cbf825c0a5d19115e48397db81a5f6"},"schema_version":"1.0"},"canonical_sha256":"6ba0d1856237b88d64ce445953fe8404263ef865fcd9622cd06bfdb9ab42b1c4","source":{"kind":"arxiv","id":"2304.05853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05853","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05853v1","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05853","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"pith_short_12","alias_value":"NOQNDBLCG64I","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"pith_short_16","alias_value":"NOQNDBLCG64I2ZGO","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"pith_short_8","alias_value":"NOQNDBLC","created_at":"2026-07-05T06:00:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:NOQNDBLCG64I2ZGOIRMVH7UEAQ","target":"record","payload":{"canonical_record":{"source":{"id":"2304.05853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2023-04-12T13:35:57Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"a754b7bdf138e651110f5836750e461d6cc7182aaab4d314c49486718870da65","abstract_canon_sha256":"9fcd899067f56dff0472692dba5c171bd1cbf825c0a5d19115e48397db81a5f6"},"schema_version":"1.0"},"canonical_sha256":"6ba0d1856237b88d64ce445953fe8404263ef865fcd9622cd06bfdb9ab42b1c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:00:24.790430Z","signature_b64":"HvixUKVsW1Ks8foQFUOwG0S9CJvVWUzWrEnpyE3Om79jef1E5Q+ZQA40L7RBlX5dshpP9x1GJjMe2N1kxw+6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ba0d1856237b88d64ce445953fe8404263ef865fcd9622cd06bfdb9ab42b1c4","last_reissued_at":"2026-07-05T06:00:24.790030Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:00:24.790030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.05853","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":"2026-07-05T06:00:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TGplxYEIhUw6tx/n5n8iLnRzBj8KPMLrBrYqVMfBDO0uw4vpbIzCdoUd+wUyjAx4EUeFAPr/ugI6DqSr+/aWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:52:59.387055Z"},"content_sha256":"1e5d8f219756537eab0adebda2f5e2d18d1f32616c2d58417f3b158ea842b285","schema_version":"1.0","event_id":"sha256:1e5d8f219756537eab0adebda2f5e2d18d1f32616c2d58417f3b158ea842b285"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:NOQNDBLCG64I2ZGOIRMVH7UEAQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Speeding up the CMS track reconstruction with a parallelized and vectorized Kalman-filter-based algorithm during the LHC Run 3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"hep-ex","authors_text":"Allison R. Hall, Avraham Yagil, Bei Wang, Boyana Norris, Brian Gravelle, Daniel S. Riley, Emmanouil Vourliotis, Giuseppe Cerati, Kevin McDermott, Leonardo Giannini, Mario Masciovecchio, Matev\\v{z} Tadel, Matti Kortelainen, Michael Reid, Patrick Gartung, Peter Elmer, Peter Wittich, Sophie Berkman, Steve R. Lantz, Vyacheslav Krutelyov","submitted_at":"2023-04-12T13:35:57Z","abstract_excerpt":"One of the most challenging computational problems in the Run 3 of the Large Hadron Collider (LHC) and more so in the High-Luminosity LHC (HL-LHC) is expected to be finding and fitting charged-particle tracks during event reconstruction. The methods used so far at the LHC and in particular at the CMS experiment are based on the Kalman filter technique. Such methods have shown to be robust and to provide good physics performance, both in the trigger and offline. In order to improve computational performance, we explored Kalman-filter-based methods for track finding and fitting, adapted for many"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05853","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/2304.05853/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":"2026-07-05T06:00:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H5BJz9KxYBZmCavajgd7LAaCxbiMNbvDwhLVhKgp0Z9bon3nk5R46ukQ0+Cx7Il0S25t8LKzZhKcgOfgVTNRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:52:59.387447Z"},"content_sha256":"08a0329886d40d134e822353be3ccc5ec846e3667cab944847706ea42536a53d","schema_version":"1.0","event_id":"sha256:08a0329886d40d134e822353be3ccc5ec846e3667cab944847706ea42536a53d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ/bundle.json","state_url":"https://pith.science/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ/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":"2026-08-05T18:52:59Z","links":{"resolver":"https://pith.science/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ","bundle":"https://pith.science/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ/bundle.json","state":"https://pith.science/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NOQNDBLCG64I2ZGOIRMVH7UEAQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:NOQNDBLCG64I2ZGOIRMVH7UEAQ","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":"9fcd899067f56dff0472692dba5c171bd1cbf825c0a5d19115e48397db81a5f6","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2023-04-12T13:35:57Z","title_canon_sha256":"a754b7bdf138e651110f5836750e461d6cc7182aaab4d314c49486718870da65"},"schema_version":"1.0","source":{"id":"2304.05853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.05853","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"arxiv_version","alias_value":"2304.05853v1","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.05853","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"pith_short_12","alias_value":"NOQNDBLCG64I","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"pith_short_16","alias_value":"NOQNDBLCG64I2ZGO","created_at":"2026-07-05T06:00:24Z"},{"alias_kind":"pith_short_8","alias_value":"NOQNDBLC","created_at":"2026-07-05T06:00:24Z"}],"graph_snapshots":[{"event_id":"sha256:08a0329886d40d134e822353be3ccc5ec846e3667cab944847706ea42536a53d","target":"graph","created_at":"2026-07-05T06:00:24Z","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/2304.05853/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"One of the most challenging computational problems in the Run 3 of the Large Hadron Collider (LHC) and more so in the High-Luminosity LHC (HL-LHC) is expected to be finding and fitting charged-particle tracks during event reconstruction. The methods used so far at the LHC and in particular at the CMS experiment are based on the Kalman filter technique. Such methods have shown to be robust and to provide good physics performance, both in the trigger and offline. In order to improve computational performance, we explored Kalman-filter-based methods for track finding and fitting, adapted for many","authors_text":"Allison R. Hall, Avraham Yagil, Bei Wang, Boyana Norris, Brian Gravelle, Daniel S. Riley, Emmanouil Vourliotis, Giuseppe Cerati, Kevin McDermott, Leonardo Giannini, Mario Masciovecchio, Matev\\v{z} Tadel, Matti Kortelainen, Michael Reid, Patrick Gartung, Peter Elmer, Peter Wittich, Sophie Berkman, Steve R. Lantz, Vyacheslav Krutelyov","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2023-04-12T13:35:57Z","title":"Speeding up the CMS track reconstruction with a parallelized and vectorized Kalman-filter-based algorithm during the LHC Run 3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.05853","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":"sha256:1e5d8f219756537eab0adebda2f5e2d18d1f32616c2d58417f3b158ea842b285","target":"record","created_at":"2026-07-05T06:00:24Z","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":"9fcd899067f56dff0472692dba5c171bd1cbf825c0a5d19115e48397db81a5f6","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2023-04-12T13:35:57Z","title_canon_sha256":"a754b7bdf138e651110f5836750e461d6cc7182aaab4d314c49486718870da65"},"schema_version":"1.0","source":{"id":"2304.05853","kind":"arxiv","version":1}},"canonical_sha256":"6ba0d1856237b88d64ce445953fe8404263ef865fcd9622cd06bfdb9ab42b1c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ba0d1856237b88d64ce445953fe8404263ef865fcd9622cd06bfdb9ab42b1c4","first_computed_at":"2026-07-05T06:00:24.790030Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:00:24.790030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HvixUKVsW1Ks8foQFUOwG0S9CJvVWUzWrEnpyE3Om79jef1E5Q+ZQA40L7RBlX5dshpP9x1GJjMe2N1kxw+6AA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:00:24.790430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.05853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e5d8f219756537eab0adebda2f5e2d18d1f32616c2d58417f3b158ea842b285","sha256:08a0329886d40d134e822353be3ccc5ec846e3667cab944847706ea42536a53d"],"state_sha256":"a4319e6de8d2a49dfea29b516b068eb91f15db445f405b23df0bc0ec22fbb2b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gnd5M3Ee4NFOYkPcpZ/3dQrIoraHsFEvt3aIsv7Fm8bBKEkgxufyp/4dmEbacxb64B1zeIaWN6iU24Mc4sPYBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T18:52:59.389937Z","bundle_sha256":"386417f3be8455ace5c78fb481612ceec257fc8bc443ba628a90e64dbc1b9295"}}