{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:MO4IW3FGRE3J3QSQILDEXHYH24","short_pith_number":"pith:MO4IW3FG","canonical_record":{"source":{"id":"1712.09434","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-12-26T21:56:34Z","cross_cats_sorted":[],"title_canon_sha256":"959d8ceb69dcdb589cbe1d9c25d81b0d2aab66e156f4eccbdf75ea0ae980dad5","abstract_canon_sha256":"eeb3a4bcbc0a216d1df777cac62663e091ba45148195e07a02626d3c54db381e"},"schema_version":"1.0"},"canonical_sha256":"63b88b6ca689369dc25042c64b9f07d705625288cb884eda7add7fc0d05dfc71","source":{"kind":"arxiv","id":"1712.09434","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09434","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09434v1","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09434","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"pith_short_12","alias_value":"MO4IW3FGRE3J","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"pith_short_16","alias_value":"MO4IW3FGRE3J3QSQ","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"pith_short_8","alias_value":"MO4IW3FG","created_at":"2026-07-04T23:55:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:MO4IW3FGRE3J3QSQILDEXHYH24","target":"record","payload":{"canonical_record":{"source":{"id":"1712.09434","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-12-26T21:56:34Z","cross_cats_sorted":[],"title_canon_sha256":"959d8ceb69dcdb589cbe1d9c25d81b0d2aab66e156f4eccbdf75ea0ae980dad5","abstract_canon_sha256":"eeb3a4bcbc0a216d1df777cac62663e091ba45148195e07a02626d3c54db381e"},"schema_version":"1.0"},"canonical_sha256":"63b88b6ca689369dc25042c64b9f07d705625288cb884eda7add7fc0d05dfc71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:55:33.413615Z","signature_b64":"/K7VE+V7qcdGvUB5hc+rdUMcK8HBiDDOXGlRVFcT038Be+SypX3NyrxiO8rZB15Lf9/NM4meeXCjp2X4GMcgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63b88b6ca689369dc25042c64b9f07d705625288cb884eda7add7fc0d05dfc71","last_reissued_at":"2026-07-04T23:55:33.413267Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:55:33.413267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.09434","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":"2026-07-04T23:55:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"54Eg4/NF7DDNm4t6rC/5gmDJ6P/IIWupxGQP/QtsMgaKwUIley1Cnx3j6YuIol77faHfaaNPDWfJ211sl1idBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T08:16:50.122805Z"},"content_sha256":"8bcd1d6caa6c6c8e2e7b0e83c3b8b26861f18cfd09cee06b95029769cb338e66","schema_version":"1.0","event_id":"sha256:8bcd1d6caa6c6c8e2e7b0e83c3b8b26861f18cfd09cee06b95029769cb338e66"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:MO4IW3FGRE3J3QSQILDEXHYH24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Online Reconstruction and Calibration with feed back loop in the ALICE High Level Trigger","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Alex Chauvin, Chiara Zampolli, David Rohr, Jens Wiechula, Kai Schweda, Mikolaj Krzewicki, Ruben Shahoyan, Sergey Gorbunov, Volker Lindenstruth (for the ALICE Collaboration)","submitted_at":"2017-12-26T21:56:34Z","abstract_excerpt":"ALICE (A Large Heavy Ion Experiment) is one of the four large scale experiments at the Large Hadron Collider (LHC) at CERN. The High Level Trigger (HLT) is an online computing farm, which reconstructs events recorded by the ALICE detector in real-time. The most compute-intense task is the reconstruction of the particle trajectories. The main tracking devices in ALICE are the Time Projection Chamber (TPC) and the Inner Tracking System (ITS). The HLT uses a fast GPU-accelerated algorithm for the TPC tracking based on the Cellular Automaton principle and the Kalman filter. ALICE employs gaseous s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09434","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/1712.09434/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":"2026-07-04T23:55:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XUGq+OVV94TimOSGhkixWWsDZ4RZGCe/bPSR9ek+Q1PsWp/hNT4XaErAkFUB2fZbHlOrocmNuNkS7i3WEGo0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T08:16:50.123307Z"},"content_sha256":"6638365f2e162461d2e8dd350da0b2fd3dba1445a01e760407aca042822c50b1","schema_version":"1.0","event_id":"sha256:6638365f2e162461d2e8dd350da0b2fd3dba1445a01e760407aca042822c50b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MO4IW3FGRE3J3QSQILDEXHYH24/bundle.json","state_url":"https://pith.science/pith/MO4IW3FGRE3J3QSQILDEXHYH24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MO4IW3FGRE3J3QSQILDEXHYH24/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":"2026-08-22T08:16:50Z","links":{"resolver":"https://pith.science/pith/MO4IW3FGRE3J3QSQILDEXHYH24","bundle":"https://pith.science/pith/MO4IW3FGRE3J3QSQILDEXHYH24/bundle.json","state":"https://pith.science/pith/MO4IW3FGRE3J3QSQILDEXHYH24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MO4IW3FGRE3J3QSQILDEXHYH24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:MO4IW3FGRE3J3QSQILDEXHYH24","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":"eeb3a4bcbc0a216d1df777cac62663e091ba45148195e07a02626d3c54db381e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-12-26T21:56:34Z","title_canon_sha256":"959d8ceb69dcdb589cbe1d9c25d81b0d2aab66e156f4eccbdf75ea0ae980dad5"},"schema_version":"1.0","source":{"id":"1712.09434","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.09434","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"arxiv_version","alias_value":"1712.09434v1","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09434","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"pith_short_12","alias_value":"MO4IW3FGRE3J","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"pith_short_16","alias_value":"MO4IW3FGRE3J3QSQ","created_at":"2026-07-04T23:55:33Z"},{"alias_kind":"pith_short_8","alias_value":"MO4IW3FG","created_at":"2026-07-04T23:55:33Z"}],"graph_snapshots":[{"event_id":"sha256:6638365f2e162461d2e8dd350da0b2fd3dba1445a01e760407aca042822c50b1","target":"graph","created_at":"2026-07-04T23:55:33Z","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/1712.09434/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"ALICE (A Large Heavy Ion Experiment) is one of the four large scale experiments at the Large Hadron Collider (LHC) at CERN. The High Level Trigger (HLT) is an online computing farm, which reconstructs events recorded by the ALICE detector in real-time. The most compute-intense task is the reconstruction of the particle trajectories. The main tracking devices in ALICE are the Time Projection Chamber (TPC) and the Inner Tracking System (ITS). The HLT uses a fast GPU-accelerated algorithm for the TPC tracking based on the Cellular Automaton principle and the Kalman filter. ALICE employs gaseous s","authors_text":"Alex Chauvin, Chiara Zampolli, David Rohr, Jens Wiechula, Kai Schweda, Mikolaj Krzewicki, Ruben Shahoyan, Sergey Gorbunov, Volker Lindenstruth (for the ALICE Collaboration)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-12-26T21:56:34Z","title":"Online Reconstruction and Calibration with feed back loop in the ALICE High Level Trigger"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09434","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":"sha256:8bcd1d6caa6c6c8e2e7b0e83c3b8b26861f18cfd09cee06b95029769cb338e66","target":"record","created_at":"2026-07-04T23:55:33Z","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":"eeb3a4bcbc0a216d1df777cac62663e091ba45148195e07a02626d3c54db381e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-12-26T21:56:34Z","title_canon_sha256":"959d8ceb69dcdb589cbe1d9c25d81b0d2aab66e156f4eccbdf75ea0ae980dad5"},"schema_version":"1.0","source":{"id":"1712.09434","kind":"arxiv","version":1}},"canonical_sha256":"63b88b6ca689369dc25042c64b9f07d705625288cb884eda7add7fc0d05dfc71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63b88b6ca689369dc25042c64b9f07d705625288cb884eda7add7fc0d05dfc71","first_computed_at":"2026-07-04T23:55:33.413267Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:55:33.413267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/K7VE+V7qcdGvUB5hc+rdUMcK8HBiDDOXGlRVFcT038Be+SypX3NyrxiO8rZB15Lf9/NM4meeXCjp2X4GMcgAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:55:33.413615Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.09434","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8bcd1d6caa6c6c8e2e7b0e83c3b8b26861f18cfd09cee06b95029769cb338e66","sha256:6638365f2e162461d2e8dd350da0b2fd3dba1445a01e760407aca042822c50b1"],"state_sha256":"351e3ac7e77be7221c7d72ca06141fe082f96702a9f31200dcb029e8ba02c258"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z6eNThgSyIW+m0fun2Lc9W/4B4s+ZIEWikivwS2Ge5Mqp5kpkyEu9tdITIy0hRWk6Qy5QngSbCJYWex+z894Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T08:16:50.128359Z","bundle_sha256":"be947092cdde78c1d1b3136cc2abebb017dc25d57016fc909f70c423a2d86840"}}