{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FLA7DZNEWABSMQ5XCQ5KRESYJO","short_pith_number":"pith:FLA7DZNE","canonical_record":{"source":{"id":"1810.07135","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.ET","submitted_at":"2018-10-16T16:59:37Z","cross_cats_sorted":[],"title_canon_sha256":"a5af4529909bd8f9e5e94e812138421fdb19745f464f522a4da46d383e0c4423","abstract_canon_sha256":"fd69aa9d2e0fb6d801df3a45311f99f5ed2906184810087b5b7145a61516df1e"},"schema_version":"1.0"},"canonical_sha256":"2ac1f1e5a4b0032643b7143aa892584b95ca9447968e73c2bdd0a10613612339","source":{"kind":"arxiv","id":"1810.07135","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07135","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07135v2","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07135","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"FLA7DZNEWABS","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FLA7DZNEWABSMQ5X","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FLA7DZNE","created_at":"2026-05-18T12:32:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FLA7DZNEWABSMQ5XCQ5KRESYJO","target":"record","payload":{"canonical_record":{"source":{"id":"1810.07135","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.ET","submitted_at":"2018-10-16T16:59:37Z","cross_cats_sorted":[],"title_canon_sha256":"a5af4529909bd8f9e5e94e812138421fdb19745f464f522a4da46d383e0c4423","abstract_canon_sha256":"fd69aa9d2e0fb6d801df3a45311f99f5ed2906184810087b5b7145a61516df1e"},"schema_version":"1.0"},"canonical_sha256":"2ac1f1e5a4b0032643b7143aa892584b95ca9447968e73c2bdd0a10613612339","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:58.754891Z","signature_b64":"xst876a89DQuaWFzHF4j8ue+cA6x4kBOHAfVQuC1SX9WfzG0/HatI+XTvUDRmPwWq863+UrT4+7HpWVzkN8mBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ac1f1e5a4b0032643b7143aa892584b95ca9447968e73c2bdd0a10613612339","last_reissued_at":"2026-05-17T23:42:58.754214Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:58.754214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.07135","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UB4eVLHIltrG8eVmQ50GCMAMPDsmyyVRsedEBKR87kWVfqeZ1SP5emdI8d//ageIuU9rdXebP4z5NJ5yDl//CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:18:53.290631Z"},"content_sha256":"b9c6e369d33677b66c1988619c3921f3975369e49d96d4d4e4dbb21c362dbce1","schema_version":"1.0","event_id":"sha256:b9c6e369d33677b66c1988619c3921f3975369e49d96d4d4e4dbb21c362dbce1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FLA7DZNEWABSMQ5XCQ5KRESYJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Substrate-Independent Framework to Characterise Reservoir Computers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.ET","authors_text":"Julian F. Miller, Martin A. Trefzer, Matthew Dale, Susan Stepney","submitted_at":"2018-10-16T16:59:37Z","abstract_excerpt":"The Reservoir Computing (RC) framework states that any non-linear, input-driven dynamical system (the reservoir) exhibiting properties such as a fading memory and input separability can be trained to perform computational tasks. This broad inclusion of systems has led to many new physical substrates for RC. Properties essential for reservoirs to compute are tuned through reconfiguration of the substrate, such as change in virtual topology or physical morphology. As a result, each substrate possesses a unique `quality' -- obtained through reconfiguration -- to realise different reservoirs for d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07135","kind":"arxiv","version":2},"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":"2026-05-17T23:42:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G7UrNmAHfEldwOERdNovMjxzoo801fnO4wHArqfIgWOG6Wdz12sbMblL6dM7kJLQe/9N69djr3GI8u/xu7EDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:18:53.291324Z"},"content_sha256":"31e0b370570b232d1d9b8603d93a32cffdaf632d2626a7c46524a99276594a7d","schema_version":"1.0","event_id":"sha256:31e0b370570b232d1d9b8603d93a32cffdaf632d2626a7c46524a99276594a7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO/bundle.json","state_url":"https://pith.science/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO/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":"2026-06-07T20:18:53Z","links":{"resolver":"https://pith.science/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO","bundle":"https://pith.science/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO/bundle.json","state":"https://pith.science/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FLA7DZNEWABSMQ5XCQ5KRESYJO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FLA7DZNEWABSMQ5XCQ5KRESYJO","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":"fd69aa9d2e0fb6d801df3a45311f99f5ed2906184810087b5b7145a61516df1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.ET","submitted_at":"2018-10-16T16:59:37Z","title_canon_sha256":"a5af4529909bd8f9e5e94e812138421fdb19745f464f522a4da46d383e0c4423"},"schema_version":"1.0","source":{"id":"1810.07135","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.07135","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"arxiv_version","alias_value":"1810.07135v2","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.07135","created_at":"2026-05-17T23:42:58Z"},{"alias_kind":"pith_short_12","alias_value":"FLA7DZNEWABS","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FLA7DZNEWABSMQ5X","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FLA7DZNE","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:31e0b370570b232d1d9b8603d93a32cffdaf632d2626a7c46524a99276594a7d","target":"graph","created_at":"2026-05-17T23:42:58Z","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":"The Reservoir Computing (RC) framework states that any non-linear, input-driven dynamical system (the reservoir) exhibiting properties such as a fading memory and input separability can be trained to perform computational tasks. This broad inclusion of systems has led to many new physical substrates for RC. Properties essential for reservoirs to compute are tuned through reconfiguration of the substrate, such as change in virtual topology or physical morphology. As a result, each substrate possesses a unique `quality' -- obtained through reconfiguration -- to realise different reservoirs for d","authors_text":"Julian F. Miller, Martin A. Trefzer, Matthew Dale, Susan Stepney","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.ET","submitted_at":"2018-10-16T16:59:37Z","title":"A Substrate-Independent Framework to Characterise Reservoir Computers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.07135","kind":"arxiv","version":2},"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:b9c6e369d33677b66c1988619c3921f3975369e49d96d4d4e4dbb21c362dbce1","target":"record","created_at":"2026-05-17T23:42:58Z","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":"fd69aa9d2e0fb6d801df3a45311f99f5ed2906184810087b5b7145a61516df1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.ET","submitted_at":"2018-10-16T16:59:37Z","title_canon_sha256":"a5af4529909bd8f9e5e94e812138421fdb19745f464f522a4da46d383e0c4423"},"schema_version":"1.0","source":{"id":"1810.07135","kind":"arxiv","version":2}},"canonical_sha256":"2ac1f1e5a4b0032643b7143aa892584b95ca9447968e73c2bdd0a10613612339","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ac1f1e5a4b0032643b7143aa892584b95ca9447968e73c2bdd0a10613612339","first_computed_at":"2026-05-17T23:42:58.754214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:58.754214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xst876a89DQuaWFzHF4j8ue+cA6x4kBOHAfVQuC1SX9WfzG0/HatI+XTvUDRmPwWq863+UrT4+7HpWVzkN8mBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:58.754891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.07135","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9c6e369d33677b66c1988619c3921f3975369e49d96d4d4e4dbb21c362dbce1","sha256:31e0b370570b232d1d9b8603d93a32cffdaf632d2626a7c46524a99276594a7d"],"state_sha256":"b20686e9016ccfd43dbe9190ac10ea5390dd25cfa99000b1563f2e9d51205542"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HyV4UtaXyz3K1wXCctkMLeLxEQJECN6yFsV+ee8K4axNYLcbr0lNUxQN+0G7Mhd/D19e6U5+apithxrhfhlSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T20:18:53.294933Z","bundle_sha256":"06b38a6bbface4cad838a26aed06ad4cc54a158c4cb45de592da5e97e10ecb2b"}}