{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:F5XP7CGBKEJYK6TDESELV32UJ4","short_pith_number":"pith:F5XP7CGB","canonical_record":{"source":{"id":"2206.03719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2022-06-08T07:42:17Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"cc592ad7f0e0a34aeb73e9d3833f96cc4806686fd261beafdcfaba4c01423b3b","abstract_canon_sha256":"794813c19035deb306ac72ba90839cda93d8b2c25c4ae250c96d124d765111cf"},"schema_version":"1.0"},"canonical_sha256":"2f6eff88c15113857a632488baef544f040ddcd1d85d7618f6a9db229049ca48","source":{"kind":"arxiv","id":"2206.03719","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.03719","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"arxiv_version","alias_value":"2206.03719v1","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.03719","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"pith_short_12","alias_value":"F5XP7CGBKEJY","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"pith_short_16","alias_value":"F5XP7CGBKEJYK6TD","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"pith_short_8","alias_value":"F5XP7CGB","created_at":"2026-07-05T04:33:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:F5XP7CGBKEJYK6TDESELV32UJ4","target":"record","payload":{"canonical_record":{"source":{"id":"2206.03719","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2022-06-08T07:42:17Z","cross_cats_sorted":["cs.CE"],"title_canon_sha256":"cc592ad7f0e0a34aeb73e9d3833f96cc4806686fd261beafdcfaba4c01423b3b","abstract_canon_sha256":"794813c19035deb306ac72ba90839cda93d8b2c25c4ae250c96d124d765111cf"},"schema_version":"1.0"},"canonical_sha256":"2f6eff88c15113857a632488baef544f040ddcd1d85d7618f6a9db229049ca48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:33:39.891925Z","signature_b64":"i5BTZ9/pGadY3sVuHDTjIUY5XaRRzOG5PKFCvMj4L6KvFsvXJKEFPhztzJJClM8I0hd2RD+gV1zCWZYzke9nCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f6eff88c15113857a632488baef544f040ddcd1d85d7618f6a9db229049ca48","last_reissued_at":"2026-07-05T04:33:39.891492Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:33:39.891492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.03719","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":"2026-07-05T04:33:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Ma92FtCuVl01Ca9tnBr6SlmKBgqYS0VEOhfZMDV1paAyFuQNSj/HXIWHhSYX9v0giEUC1f/j3MOJmdTndmDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:52:30.551154Z"},"content_sha256":"a9d8eefe0ad9c0758a7d94463263846faad836b93bb60cc099ac7fa455e117e9","schema_version":"1.0","event_id":"sha256:a9d8eefe0ad9c0758a7d94463263846faad836b93bb60cc099ac7fa455e117e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:F5XP7CGBKEJYK6TDESELV32UJ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-power option Greeks: Efficiency-driven market risk analysis using FPGAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE"],"primary_cat":"cs.DC","authors_text":"Mark Klaisoongnoen, Nick Brown, Oliver Thomson Brown","submitted_at":"2022-06-08T07:42:17Z","abstract_excerpt":"Quantitative finance is the use of mathematical models to analyse financial markets and securities. Typically requiring significant amounts of computation, an important question is the role that novel architectures can play in accelerating these models. In this paper we explore the acceleration of the industry standard Securities Technology Analysis Center's (STAC) derivatives risk analysis benchmark STAC-A2\\texttrademark{} by porting the Heston stochastic volatility model and Longstaff and Schwartz path reduction onto a Xilinx Alveo U280 FPGA with a focus on efficiency-driven computing.\n  Des"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.03719","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/2206.03719/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":"2026-07-05T04:33:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QGTWB2M/YJmUoA+uOw/cj5As+VMGf8pJMpcRlkoc4+r0u+RabCi87nziGYzKfXbsQxcsjfBXWb7OHsvS5v9FBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T14:52:30.551661Z"},"content_sha256":"d81094fde3462d16983bf2ecb821092f572406a7e5119adb32a51046aef9b377","schema_version":"1.0","event_id":"sha256:d81094fde3462d16983bf2ecb821092f572406a7e5119adb32a51046aef9b377"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F5XP7CGBKEJYK6TDESELV32UJ4/bundle.json","state_url":"https://pith.science/pith/F5XP7CGBKEJYK6TDESELV32UJ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F5XP7CGBKEJYK6TDESELV32UJ4/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":"2026-08-21T14:52:30Z","links":{"resolver":"https://pith.science/pith/F5XP7CGBKEJYK6TDESELV32UJ4","bundle":"https://pith.science/pith/F5XP7CGBKEJYK6TDESELV32UJ4/bundle.json","state":"https://pith.science/pith/F5XP7CGBKEJYK6TDESELV32UJ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F5XP7CGBKEJYK6TDESELV32UJ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:F5XP7CGBKEJYK6TDESELV32UJ4","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":"794813c19035deb306ac72ba90839cda93d8b2c25c4ae250c96d124d765111cf","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2022-06-08T07:42:17Z","title_canon_sha256":"cc592ad7f0e0a34aeb73e9d3833f96cc4806686fd261beafdcfaba4c01423b3b"},"schema_version":"1.0","source":{"id":"2206.03719","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.03719","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"arxiv_version","alias_value":"2206.03719v1","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.03719","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"pith_short_12","alias_value":"F5XP7CGBKEJY","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"pith_short_16","alias_value":"F5XP7CGBKEJYK6TD","created_at":"2026-07-05T04:33:39Z"},{"alias_kind":"pith_short_8","alias_value":"F5XP7CGB","created_at":"2026-07-05T04:33:39Z"}],"graph_snapshots":[{"event_id":"sha256:d81094fde3462d16983bf2ecb821092f572406a7e5119adb32a51046aef9b377","target":"graph","created_at":"2026-07-05T04:33:39Z","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/2206.03719/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantitative finance is the use of mathematical models to analyse financial markets and securities. Typically requiring significant amounts of computation, an important question is the role that novel architectures can play in accelerating these models. In this paper we explore the acceleration of the industry standard Securities Technology Analysis Center's (STAC) derivatives risk analysis benchmark STAC-A2\\texttrademark{} by porting the Heston stochastic volatility model and Longstaff and Schwartz path reduction onto a Xilinx Alveo U280 FPGA with a focus on efficiency-driven computing.\n  Des","authors_text":"Mark Klaisoongnoen, Nick Brown, Oliver Thomson Brown","cross_cats":["cs.CE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2022-06-08T07:42:17Z","title":"Low-power option Greeks: Efficiency-driven market risk analysis using FPGAs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.03719","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:a9d8eefe0ad9c0758a7d94463263846faad836b93bb60cc099ac7fa455e117e9","target":"record","created_at":"2026-07-05T04:33:39Z","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":"794813c19035deb306ac72ba90839cda93d8b2c25c4ae250c96d124d765111cf","cross_cats_sorted":["cs.CE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2022-06-08T07:42:17Z","title_canon_sha256":"cc592ad7f0e0a34aeb73e9d3833f96cc4806686fd261beafdcfaba4c01423b3b"},"schema_version":"1.0","source":{"id":"2206.03719","kind":"arxiv","version":1}},"canonical_sha256":"2f6eff88c15113857a632488baef544f040ddcd1d85d7618f6a9db229049ca48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f6eff88c15113857a632488baef544f040ddcd1d85d7618f6a9db229049ca48","first_computed_at":"2026-07-05T04:33:39.891492Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:33:39.891492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i5BTZ9/pGadY3sVuHDTjIUY5XaRRzOG5PKFCvMj4L6KvFsvXJKEFPhztzJJClM8I0hd2RD+gV1zCWZYzke9nCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:33:39.891925Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.03719","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9d8eefe0ad9c0758a7d94463263846faad836b93bb60cc099ac7fa455e117e9","sha256:d81094fde3462d16983bf2ecb821092f572406a7e5119adb32a51046aef9b377"],"state_sha256":"9d6ad8638bfad2570e69a6e71e47e3cfa8f438db72b1ddd32da7d768e54a66fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BcHTNLRlqd5DvKu5UCs0054PgUk36ntaUggWn2JlhnSSiXaRPKwfddSnYnHK9UgM9gIepZyl+nuwz309PCn/BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T14:52:30.555471Z","bundle_sha256":"8d842af3f5a7d315555f6be389d07008ea616fc1f67e2d565f2e6c8efda9bcbe"}}