{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:BNO4PIAXZNAIJ3DWXSHWPBXGU4","short_pith_number":"pith:BNO4PIAX","canonical_record":{"source":{"id":"1210.6861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-10-25T14:47:48Z","cross_cats_sorted":["hep-ex","physics.data-an"],"title_canon_sha256":"0d2f02d2bc0b7184e0d804dc81d7c00f75fc2d2ebcd520819d65386cc36668ac","abstract_canon_sha256":"759c0acd7299e74d6a837fa375d1732a82b7cd57099e1e58f7d3759c6cf2cc28"},"schema_version":"1.0"},"canonical_sha256":"0b5dc7a017cb4084ec76bc8f6786e6a736d176f5df629e40d129b241e6bae629","source":{"kind":"arxiv","id":"1210.6861","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6861","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6861v1","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6861","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"BNO4PIAXZNAI","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BNO4PIAXZNAIJ3DW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BNO4PIAX","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:BNO4PIAXZNAIJ3DWXSHWPBXGU4","target":"record","payload":{"canonical_record":{"source":{"id":"1210.6861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-10-25T14:47:48Z","cross_cats_sorted":["hep-ex","physics.data-an"],"title_canon_sha256":"0d2f02d2bc0b7184e0d804dc81d7c00f75fc2d2ebcd520819d65386cc36668ac","abstract_canon_sha256":"759c0acd7299e74d6a837fa375d1732a82b7cd57099e1e58f7d3759c6cf2cc28"},"schema_version":"1.0"},"canonical_sha256":"0b5dc7a017cb4084ec76bc8f6786e6a736d176f5df629e40d129b241e6bae629","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:37.652476Z","signature_b64":"I+z/ggSfqK0ebYU3Xj2YLLh1e3GJF5ZWMz1Rd/z9ZLtwQ3rgS8vmAzo6mcznCi30HK8UikWlKKBY2rcRyMVpBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b5dc7a017cb4084ec76bc8f6786e6a736d176f5df629e40d129b241e6bae629","last_reissued_at":"2026-05-18T01:53:37.651730Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:37.651730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.6861","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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G+SokQgLa0WztkXJMuBqjdNdl6vsS+OuomQqRJS/BXwuU2B8oW6Xlu80E7jMjmoGWBDnROIF5k1HNJBSMwWMCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T08:26:30.664918Z"},"content_sha256":"0e3b43effc89622cdcae813d83604a39b61664952bb37e5db00cda500ef50b58","schema_version":"1.0","event_id":"sha256:0e3b43effc89622cdcae813d83604a39b61664952bb37e5db00cda500ef50b58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:BNO4PIAXZNAIJ3DWXSHWPBXGU4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient, reliable and fast high-level triggering using a bonsai boosted decision tree","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.data-an"],"primary_cat":"physics.ins-det","authors_text":"Mike Williams, Vladimir Vava Gligorov","submitted_at":"2012-10-25T14:47:48Z","abstract_excerpt":"High-level triggering is a vital component in many modern particle physics experiments. This paper describes a modification to the standard boosted decision tree (BDT) classifier, the so-called \"bonsai\" BDT, that has the following important properties: it is more efficient than traditional cut-based approaches; it is robust against detector instabilities, and it is very fast. Thus, it is fit-for-purpose for the online running conditions faced by any large-scale data acquisition system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6861","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":""},"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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5YgG5hLB0l196M6lAsKIcXEfo7/K3TLs7OeQyh5oUSNo1RYegi9oNHMxEjOq98UR2jhVu5kdp/zMIBsg5VAeCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T08:26:30.665338Z"},"content_sha256":"cba35664b4fbf293d6dc4e3a7668ba443ba7827a62fc6b7fb4a495ec35d2f3ae","schema_version":"1.0","event_id":"sha256:cba35664b4fbf293d6dc4e3a7668ba443ba7827a62fc6b7fb4a495ec35d2f3ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4/bundle.json","state_url":"https://pith.science/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4/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":"2026-06-10T08:26:30Z","links":{"resolver":"https://pith.science/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4","bundle":"https://pith.science/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4/bundle.json","state":"https://pith.science/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BNO4PIAXZNAIJ3DWXSHWPBXGU4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BNO4PIAXZNAIJ3DWXSHWPBXGU4","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":"759c0acd7299e74d6a837fa375d1732a82b7cd57099e1e58f7d3759c6cf2cc28","cross_cats_sorted":["hep-ex","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-10-25T14:47:48Z","title_canon_sha256":"0d2f02d2bc0b7184e0d804dc81d7c00f75fc2d2ebcd520819d65386cc36668ac"},"schema_version":"1.0","source":{"id":"1210.6861","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6861","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6861v1","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6861","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"BNO4PIAXZNAI","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"BNO4PIAXZNAIJ3DW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"BNO4PIAX","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:cba35664b4fbf293d6dc4e3a7668ba443ba7827a62fc6b7fb4a495ec35d2f3ae","target":"graph","created_at":"2026-05-18T01:53:37Z","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"},"paper":{"abstract_excerpt":"High-level triggering is a vital component in many modern particle physics experiments. This paper describes a modification to the standard boosted decision tree (BDT) classifier, the so-called \"bonsai\" BDT, that has the following important properties: it is more efficient than traditional cut-based approaches; it is robust against detector instabilities, and it is very fast. Thus, it is fit-for-purpose for the online running conditions faced by any large-scale data acquisition system.","authors_text":"Mike Williams, Vladimir Vava Gligorov","cross_cats":["hep-ex","physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-10-25T14:47:48Z","title":"Efficient, reliable and fast high-level triggering using a bonsai boosted decision tree"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6861","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":"sha256:0e3b43effc89622cdcae813d83604a39b61664952bb37e5db00cda500ef50b58","target":"record","created_at":"2026-05-18T01:53:37Z","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":"759c0acd7299e74d6a837fa375d1732a82b7cd57099e1e58f7d3759c6cf2cc28","cross_cats_sorted":["hep-ex","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2012-10-25T14:47:48Z","title_canon_sha256":"0d2f02d2bc0b7184e0d804dc81d7c00f75fc2d2ebcd520819d65386cc36668ac"},"schema_version":"1.0","source":{"id":"1210.6861","kind":"arxiv","version":1}},"canonical_sha256":"0b5dc7a017cb4084ec76bc8f6786e6a736d176f5df629e40d129b241e6bae629","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b5dc7a017cb4084ec76bc8f6786e6a736d176f5df629e40d129b241e6bae629","first_computed_at":"2026-05-18T01:53:37.651730Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:37.651730Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I+z/ggSfqK0ebYU3Xj2YLLh1e3GJF5ZWMz1Rd/z9ZLtwQ3rgS8vmAzo6mcznCi30HK8UikWlKKBY2rcRyMVpBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:37.652476Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.6861","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e3b43effc89622cdcae813d83604a39b61664952bb37e5db00cda500ef50b58","sha256:cba35664b4fbf293d6dc4e3a7668ba443ba7827a62fc6b7fb4a495ec35d2f3ae"],"state_sha256":"6c2086ba7f38267bfff02f32b1ab68a9dfc8d2ab36ef9875164a8463434a14ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sUCQNwQrVeNbs5Y2OjGX5QVYXHUkiD9kh7spyRzFahDjmJ+pmGt/ms327p5E6/PbW8EWyiUxKKdAVRI6TFSEAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T08:26:30.668925Z","bundle_sha256":"7f98bc280821f457de054ee0275c32452e5191de00eb1a5716f363742f693426"}}