{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JGWEI4C2VBQ6KWWGBQONP3HKQX","short_pith_number":"pith:JGWEI4C2","canonical_record":{"source":{"id":"1809.05407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2018-09-12T20:56:46Z","cross_cats_sorted":[],"title_canon_sha256":"8a149bf5454e48dff2c276679db0c96a62ee4560a673cee3653a3377fda8b1e1","abstract_canon_sha256":"bff8e58cfece9256e70bcfc26743beb625fef98e4846cb3933db165635b9cf5c"},"schema_version":"1.0"},"canonical_sha256":"49ac44705aa861e55ac60c1cd7ecea85d65ec7783142f93a3838e6415263de50","source":{"kind":"arxiv","id":"1809.05407","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05407","created_at":"2026-05-18T00:05:41Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05407v1","created_at":"2026-05-18T00:05:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05407","created_at":"2026-05-18T00:05:41Z"},{"alias_kind":"pith_short_12","alias_value":"JGWEI4C2VBQ6","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGWEI4C2VBQ6KWWG","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGWEI4C2","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JGWEI4C2VBQ6KWWGBQONP3HKQX","target":"record","payload":{"canonical_record":{"source":{"id":"1809.05407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2018-09-12T20:56:46Z","cross_cats_sorted":[],"title_canon_sha256":"8a149bf5454e48dff2c276679db0c96a62ee4560a673cee3653a3377fda8b1e1","abstract_canon_sha256":"bff8e58cfece9256e70bcfc26743beb625fef98e4846cb3933db165635b9cf5c"},"schema_version":"1.0"},"canonical_sha256":"49ac44705aa861e55ac60c1cd7ecea85d65ec7783142f93a3838e6415263de50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:41.536139Z","signature_b64":"oASDJIt2vCzatAHL9A3R0FnkALFanszunfLRQIIP9aekuuiVyJwSYHEu5XF6p92xjs8KUmaeoPp52SW6P2O4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49ac44705aa861e55ac60c1cd7ecea85d65ec7783142f93a3838e6415263de50","last_reissued_at":"2026-05-18T00:05:41.535470Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:41.535470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.05407","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":"2026-05-18T00:05:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qAeWDU0KMzkIhmUx7Zy0UDZPJKSpaAdZtmPWHyCloa8I/2SRQ6rH7kXlBH72JuyCNh5zMtW2qIebsFHoIFhODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T13:00:45.388144Z"},"content_sha256":"586c7bdef9297a8bb6b2a45d6c0c81d4470412015c11d297e59715e2e10498cc","schema_version":"1.0","event_id":"sha256:586c7bdef9297a8bb6b2a45d6c0c81d4470412015c11d297e59715e2e10498cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JGWEI4C2VBQ6KWWGBQONP3HKQX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An FPGA Implementation of a Time Delay Reservoir Using Stochastic Logic","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NE","authors_text":"Cory Merkel, Lisa Loomis, Nathan McDonald","submitted_at":"2018-09-12T20:56:46Z","abstract_excerpt":"This paper presents and demonstrates a stochastic logic time delay reservoir design in FPGA hardware. The reservoir network approach is analyzed using a number of metrics, such as kernel quality, generalization rank, performance on simple benchmarks, and is also compared to a deterministic design. A novel re-seeding method is introduced to reduce the adverse effects of stochastic noise, which may also be implemented in other stochastic logic reservoir computing designs, such as echo state networks. Benchmark results indicate that the proposed design performs well on noise-tolerant classificati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05407","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":"2026-05-18T00:05:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DEFvojUoHNAWRlziQ8XDZnqusW6orW1utiVv2Ph4pQ7W/jjzX6kdDBOLgrxRWdIq2bSEmdvC0gDnnsAKAbNYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T13:00:45.388501Z"},"content_sha256":"707e819dc2989e92931270abe60c9d2b08d477a925b15eb46435ada109be7c43","schema_version":"1.0","event_id":"sha256:707e819dc2989e92931270abe60c9d2b08d477a925b15eb46435ada109be7c43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX/bundle.json","state_url":"https://pith.science/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX/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":"2026-06-28T13:00:45Z","links":{"resolver":"https://pith.science/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX","bundle":"https://pith.science/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX/bundle.json","state":"https://pith.science/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGWEI4C2VBQ6KWWGBQONP3HKQX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JGWEI4C2VBQ6KWWGBQONP3HKQX","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":"bff8e58cfece9256e70bcfc26743beb625fef98e4846cb3933db165635b9cf5c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2018-09-12T20:56:46Z","title_canon_sha256":"8a149bf5454e48dff2c276679db0c96a62ee4560a673cee3653a3377fda8b1e1"},"schema_version":"1.0","source":{"id":"1809.05407","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05407","created_at":"2026-05-18T00:05:41Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05407v1","created_at":"2026-05-18T00:05:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05407","created_at":"2026-05-18T00:05:41Z"},{"alias_kind":"pith_short_12","alias_value":"JGWEI4C2VBQ6","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGWEI4C2VBQ6KWWG","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGWEI4C2","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:707e819dc2989e92931270abe60c9d2b08d477a925b15eb46435ada109be7c43","target":"graph","created_at":"2026-05-18T00:05:41Z","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":"This paper presents and demonstrates a stochastic logic time delay reservoir design in FPGA hardware. The reservoir network approach is analyzed using a number of metrics, such as kernel quality, generalization rank, performance on simple benchmarks, and is also compared to a deterministic design. A novel re-seeding method is introduced to reduce the adverse effects of stochastic noise, which may also be implemented in other stochastic logic reservoir computing designs, such as echo state networks. Benchmark results indicate that the proposed design performs well on noise-tolerant classificati","authors_text":"Cory Merkel, Lisa Loomis, Nathan McDonald","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2018-09-12T20:56:46Z","title":"An FPGA Implementation of a Time Delay Reservoir Using Stochastic Logic"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05407","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":"sha256:586c7bdef9297a8bb6b2a45d6c0c81d4470412015c11d297e59715e2e10498cc","target":"record","created_at":"2026-05-18T00:05:41Z","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":"bff8e58cfece9256e70bcfc26743beb625fef98e4846cb3933db165635b9cf5c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NE","submitted_at":"2018-09-12T20:56:46Z","title_canon_sha256":"8a149bf5454e48dff2c276679db0c96a62ee4560a673cee3653a3377fda8b1e1"},"schema_version":"1.0","source":{"id":"1809.05407","kind":"arxiv","version":1}},"canonical_sha256":"49ac44705aa861e55ac60c1cd7ecea85d65ec7783142f93a3838e6415263de50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49ac44705aa861e55ac60c1cd7ecea85d65ec7783142f93a3838e6415263de50","first_computed_at":"2026-05-18T00:05:41.535470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:41.535470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oASDJIt2vCzatAHL9A3R0FnkALFanszunfLRQIIP9aekuuiVyJwSYHEu5XF6p92xjs8KUmaeoPp52SW6P2O4BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:41.536139Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.05407","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:586c7bdef9297a8bb6b2a45d6c0c81d4470412015c11d297e59715e2e10498cc","sha256:707e819dc2989e92931270abe60c9d2b08d477a925b15eb46435ada109be7c43"],"state_sha256":"a0fe0a654d4360164b9b8b0bd6a8811de111c23c0596c7067ce767792b7ec6f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NMC+OszADbJGrKUMWW7viwbDxYvb8xB0f5YUCTHO2nqHAHKweSHGRupeyiakyfSVwZViJQc/igo1+c5IqPz/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T13:00:45.390488Z","bundle_sha256":"fd06f6898589cd19ea6f72a65b219cfffd512fd89fa621c5039c11e3d79b0fbd"}}