{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:BAYE4RPXQUOHKIFOXUXAPK2R7L","short_pith_number":"pith:BAYE4RPX","canonical_record":{"source":{"id":"2307.11094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2023-07-05T04:58:17Z","cross_cats_sorted":["cs.LG","cs.NE"],"title_canon_sha256":"73c51de4b8610aabcb419fc8dc54745bf989a5dea0efeb85e83815013058309e","abstract_canon_sha256":"fa69e545991b5906cc9c8415b1fae2f603b442762bcb1aaf02c7304760627ede"},"schema_version":"1.0"},"canonical_sha256":"08304e45f7851c7520aebd2e07ab51fac956d189baf019344a3768e2608f74f3","source":{"kind":"arxiv","id":"2307.11094","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.11094","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"2307.11094v1","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.11094","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"BAYE4RPXQUOH","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_16","alias_value":"BAYE4RPXQUOHKIFO","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_8","alias_value":"BAYE4RPX","created_at":"2026-07-05T06:33:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:BAYE4RPXQUOHKIFOXUXAPK2R7L","target":"record","payload":{"canonical_record":{"source":{"id":"2307.11094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2023-07-05T04:58:17Z","cross_cats_sorted":["cs.LG","cs.NE"],"title_canon_sha256":"73c51de4b8610aabcb419fc8dc54745bf989a5dea0efeb85e83815013058309e","abstract_canon_sha256":"fa69e545991b5906cc9c8415b1fae2f603b442762bcb1aaf02c7304760627ede"},"schema_version":"1.0"},"canonical_sha256":"08304e45f7851c7520aebd2e07ab51fac956d189baf019344a3768e2608f74f3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:33:23.399193Z","signature_b64":"oDWf05ogPRV81Y3tx1ovcKE2WGN8ZVOGo0fJzCBNnR0KsUqU4ayIeENLsAKyngXPPXY4NYVZg0bbQx+FitOuCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08304e45f7851c7520aebd2e07ab51fac956d189baf019344a3768e2608f74f3","last_reissued_at":"2026-07-05T06:33:23.398745Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:33:23.398745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.11094","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":"2026-07-05T06:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xFgh2hj7t9pg3Sysc+XFoVsPihB+wRdNdoA1C32z02Lzjh8uZZIERxO1Ez4W4vwCwOTr48VI9WqAPXigFRbtBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T18:44:47.307242Z"},"content_sha256":"290942958d157bc76691c4f2a32bcaadcfe3892ca67702acb1e62d0ceb2107df","schema_version":"1.0","event_id":"sha256:290942958d157bc76691c4f2a32bcaadcfe3892ca67702acb1e62d0ceb2107df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:BAYE4RPXQUOHKIFOXUXAPK2R7L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modular DFR: Digital Delayed Feedback Reservoir Model for Enhancing Design Flexibility","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.NE"],"primary_cat":"cs.AR","authors_text":"Hiromitsu Awano, Sosei Ikeda, Takashi Sato","submitted_at":"2023-07-05T04:58:17Z","abstract_excerpt":"A delayed feedback reservoir (DFR) is a type of reservoir computing system well-suited for hardware implementations owing to its simple structure. Most existing DFR implementations use analog circuits that require both digital-to-analog and analog-to-digital converters for interfacing. However, digital DFRs emulate analog nonlinear components in the digital domain, resulting in a lack of design flexibility and higher power consumption. In this paper, we propose a novel modular DFR model that is suitable for fully digital implementations. The proposed model reduces the number of hyperparameters"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.11094","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/2307.11094/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":"2026-07-05T06:33:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rNeOZ3Tk2iPk8sbeu7tcdk5DRfTQr0acjngp2/L8Lvu52vsIarVsxcTbz3deaoFNKBT76klvS5AGYXsncfRFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T18:44:47.307761Z"},"content_sha256":"50b0e986577daa1c629cb8ad3219280bd6e27c20a7e9df0b66bce0bf584a5637","schema_version":"1.0","event_id":"sha256:50b0e986577daa1c629cb8ad3219280bd6e27c20a7e9df0b66bce0bf584a5637"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L/bundle.json","state_url":"https://pith.science/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L/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":"2026-08-04T18:44:47Z","links":{"resolver":"https://pith.science/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L","bundle":"https://pith.science/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L/bundle.json","state":"https://pith.science/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BAYE4RPXQUOHKIFOXUXAPK2R7L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:BAYE4RPXQUOHKIFOXUXAPK2R7L","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":"fa69e545991b5906cc9c8415b1fae2f603b442762bcb1aaf02c7304760627ede","cross_cats_sorted":["cs.LG","cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2023-07-05T04:58:17Z","title_canon_sha256":"73c51de4b8610aabcb419fc8dc54745bf989a5dea0efeb85e83815013058309e"},"schema_version":"1.0","source":{"id":"2307.11094","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.11094","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"arxiv_version","alias_value":"2307.11094v1","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.11094","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_12","alias_value":"BAYE4RPXQUOH","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_16","alias_value":"BAYE4RPXQUOHKIFO","created_at":"2026-07-05T06:33:23Z"},{"alias_kind":"pith_short_8","alias_value":"BAYE4RPX","created_at":"2026-07-05T06:33:23Z"}],"graph_snapshots":[{"event_id":"sha256:50b0e986577daa1c629cb8ad3219280bd6e27c20a7e9df0b66bce0bf584a5637","target":"graph","created_at":"2026-07-05T06:33:23Z","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/2307.11094/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A delayed feedback reservoir (DFR) is a type of reservoir computing system well-suited for hardware implementations owing to its simple structure. Most existing DFR implementations use analog circuits that require both digital-to-analog and analog-to-digital converters for interfacing. However, digital DFRs emulate analog nonlinear components in the digital domain, resulting in a lack of design flexibility and higher power consumption. In this paper, we propose a novel modular DFR model that is suitable for fully digital implementations. The proposed model reduces the number of hyperparameters","authors_text":"Hiromitsu Awano, Sosei Ikeda, Takashi Sato","cross_cats":["cs.LG","cs.NE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2023-07-05T04:58:17Z","title":"Modular DFR: Digital Delayed Feedback Reservoir Model for Enhancing Design Flexibility"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.11094","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":"sha256:290942958d157bc76691c4f2a32bcaadcfe3892ca67702acb1e62d0ceb2107df","target":"record","created_at":"2026-07-05T06:33:23Z","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":"fa69e545991b5906cc9c8415b1fae2f603b442762bcb1aaf02c7304760627ede","cross_cats_sorted":["cs.LG","cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AR","submitted_at":"2023-07-05T04:58:17Z","title_canon_sha256":"73c51de4b8610aabcb419fc8dc54745bf989a5dea0efeb85e83815013058309e"},"schema_version":"1.0","source":{"id":"2307.11094","kind":"arxiv","version":1}},"canonical_sha256":"08304e45f7851c7520aebd2e07ab51fac956d189baf019344a3768e2608f74f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08304e45f7851c7520aebd2e07ab51fac956d189baf019344a3768e2608f74f3","first_computed_at":"2026-07-05T06:33:23.398745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:33:23.398745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oDWf05ogPRV81Y3tx1ovcKE2WGN8ZVOGo0fJzCBNnR0KsUqU4ayIeENLsAKyngXPPXY4NYVZg0bbQx+FitOuCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:33:23.399193Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.11094","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:290942958d157bc76691c4f2a32bcaadcfe3892ca67702acb1e62d0ceb2107df","sha256:50b0e986577daa1c629cb8ad3219280bd6e27c20a7e9df0b66bce0bf584a5637"],"state_sha256":"152c50354fb0b79b7c6d268f0129bb535006fcef908e4b9b333a5557aa283afb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jq69V/hGAnRmgt12wp+i+b2Km4MqsrmQPsUpWVwdCynBmYiKeoNhEpNg82uHyG1L3D7s2IXgIxZhYBBX12VNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T18:44:47.313650Z","bundle_sha256":"c46a417783b51b4b00f1649384038008e9e45ec573eafc54635234c3cb92f3a8"}}