{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:NIGBWAI7WLEZTQLTEIKP3TN5BJ","short_pith_number":"pith:NIGBWAI7","canonical_record":{"source":{"id":"1311.2769","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-11-12T13:16:32Z","cross_cats_sorted":["hep-ex","physics.comp-ph"],"title_canon_sha256":"c3f1901882fbd170340c892b68f38a33f80f3b84a4a88b6b7d08d6b9b22db6be","abstract_canon_sha256":"8431ce91c283741e5dc516498ac489f2a37ed756c68ae94cd409020286048c76"},"schema_version":"1.0"},"canonical_sha256":"6a0c1b011fb2c999c1732214fdcdbd0a7ab8c81dbfb15b31341e20bab3eea13a","source":{"kind":"arxiv","id":"1311.2769","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2769","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2769v1","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2769","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"pith_short_12","alias_value":"NIGBWAI7WLEZ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NIGBWAI7WLEZTQLT","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NIGBWAI7","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:NIGBWAI7WLEZTQLTEIKP3TN5BJ","target":"record","payload":{"canonical_record":{"source":{"id":"1311.2769","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-11-12T13:16:32Z","cross_cats_sorted":["hep-ex","physics.comp-ph"],"title_canon_sha256":"c3f1901882fbd170340c892b68f38a33f80f3b84a4a88b6b7d08d6b9b22db6be","abstract_canon_sha256":"8431ce91c283741e5dc516498ac489f2a37ed756c68ae94cd409020286048c76"},"schema_version":"1.0"},"canonical_sha256":"6a0c1b011fb2c999c1732214fdcdbd0a7ab8c81dbfb15b31341e20bab3eea13a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:31.979765Z","signature_b64":"k3pjMVlG9Lu1eQhH+2MvGRghF2/AChXw3wwVjA0vTTO7S2lKMl/nzt3RWYFJcoJElauSZyvau5rOXjnaQbo+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a0c1b011fb2c999c1732214fdcdbd0a7ab8c81dbfb15b31341e20bab3eea13a","last_reissued_at":"2026-05-18T01:46:31.979090Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:31.979090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.2769","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":"2026-05-18T01:46:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ERrDQpfd2W6HOk/am0/TAf01nlq1qzD4eyoqSZtlkIqUnioQF3VL1xclcGyI13nkeM8N432dI6n/SKVkLV2bCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:01:13.517150Z"},"content_sha256":"8045d5c11a6e49fca6bf19b896769c203e8371f9375768ccec239adf5789fabf","schema_version":"1.0","event_id":"sha256:8045d5c11a6e49fca6bf19b896769c203e8371f9375768ccec239adf5789fabf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:NIGBWAI7WLEZTQLTEIKP3TN5BJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"GPU Enhancement of the Trigger to Extend Physics Reach at the Large Hadron Collider","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.comp-ph"],"primary_cat":"physics.ins-det","authors_text":"A. Hunt, P. Jindal, P. LeGresley, P. Lujan, V. Halyo","submitted_at":"2013-11-12T13:16:32Z","abstract_excerpt":"At the Large Hadron Collider (LHC), the trigger systems for the detectors must be able to process a very large amount of data in a very limited amount of time, so that the nominal collision rate of 40 MHz can be reduced to a data rate that can be stored and processed in a reasonable amount of time. This need for high performance places very stringent requirements on the complexity of the algorithms that can be used for identifying events of interest in the trigger system, which potentially limits the ability to trigger on signatures of various new physics models. In this paper, we present an a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2769","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":"2026-05-18T01:46:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yD4LV4A0hnvScSdivbkOJryfoA3Bhl7KlxVHyn619L4NTBNCOVD/Tg0bDvHFt4RN9Qom0MxEjQD9aoFCc+QiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:01:13.517803Z"},"content_sha256":"7a4e6a9c6561037c434b82dfeece5dc3c02723401fd4a1496767f0e145b2288e","schema_version":"1.0","event_id":"sha256:7a4e6a9c6561037c434b82dfeece5dc3c02723401fd4a1496767f0e145b2288e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ/bundle.json","state_url":"https://pith.science/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ/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":"2026-06-07T07:01:13Z","links":{"resolver":"https://pith.science/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ","bundle":"https://pith.science/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ/bundle.json","state":"https://pith.science/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NIGBWAI7WLEZTQLTEIKP3TN5BJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:NIGBWAI7WLEZTQLTEIKP3TN5BJ","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":"8431ce91c283741e5dc516498ac489f2a37ed756c68ae94cd409020286048c76","cross_cats_sorted":["hep-ex","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-11-12T13:16:32Z","title_canon_sha256":"c3f1901882fbd170340c892b68f38a33f80f3b84a4a88b6b7d08d6b9b22db6be"},"schema_version":"1.0","source":{"id":"1311.2769","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2769","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2769v1","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2769","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"pith_short_12","alias_value":"NIGBWAI7WLEZ","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"NIGBWAI7WLEZTQLT","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"NIGBWAI7","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:7a4e6a9c6561037c434b82dfeece5dc3c02723401fd4a1496767f0e145b2288e","target":"graph","created_at":"2026-05-18T01:46:31Z","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":"At the Large Hadron Collider (LHC), the trigger systems for the detectors must be able to process a very large amount of data in a very limited amount of time, so that the nominal collision rate of 40 MHz can be reduced to a data rate that can be stored and processed in a reasonable amount of time. This need for high performance places very stringent requirements on the complexity of the algorithms that can be used for identifying events of interest in the trigger system, which potentially limits the ability to trigger on signatures of various new physics models. In this paper, we present an a","authors_text":"A. Hunt, P. Jindal, P. LeGresley, P. Lujan, V. Halyo","cross_cats":["hep-ex","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-11-12T13:16:32Z","title":"GPU Enhancement of the Trigger to Extend Physics Reach at the Large Hadron Collider"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2769","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":"sha256:8045d5c11a6e49fca6bf19b896769c203e8371f9375768ccec239adf5789fabf","target":"record","created_at":"2026-05-18T01:46:31Z","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":"8431ce91c283741e5dc516498ac489f2a37ed756c68ae94cd409020286048c76","cross_cats_sorted":["hep-ex","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-11-12T13:16:32Z","title_canon_sha256":"c3f1901882fbd170340c892b68f38a33f80f3b84a4a88b6b7d08d6b9b22db6be"},"schema_version":"1.0","source":{"id":"1311.2769","kind":"arxiv","version":1}},"canonical_sha256":"6a0c1b011fb2c999c1732214fdcdbd0a7ab8c81dbfb15b31341e20bab3eea13a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a0c1b011fb2c999c1732214fdcdbd0a7ab8c81dbfb15b31341e20bab3eea13a","first_computed_at":"2026-05-18T01:46:31.979090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:31.979090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k3pjMVlG9Lu1eQhH+2MvGRghF2/AChXw3wwVjA0vTTO7S2lKMl/nzt3RWYFJcoJElauSZyvau5rOXjnaQbo+BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:31.979765Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2769","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8045d5c11a6e49fca6bf19b896769c203e8371f9375768ccec239adf5789fabf","sha256:7a4e6a9c6561037c434b82dfeece5dc3c02723401fd4a1496767f0e145b2288e"],"state_sha256":"fd089aa5710bd5c699e5c6de5c9036bb0638219b6a26465f39ea8ce5485877b7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JA3y6htUrcLmQi9cDjcfP6u1/lNMEsBHkZ3BCdQ4Y8PE3brKm3/y3R3fmO5z6IyartyhZstiAqHQJRSaKFKgBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:01:13.520828Z","bundle_sha256":"24cc542065992b7056cc9176d5a81f0df4bb37240dd8a28d34e745dbb397c9c1"}}