{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:J5CAWYXZXRMCLZGVAG7VK6RIGW","short_pith_number":"pith:J5CAWYXZ","canonical_record":{"source":{"id":"1804.01906","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-04-05T15:19:00Z","cross_cats_sorted":["cs.ET","physics.bio-ph","physics.comp-ph"],"title_canon_sha256":"7a01e2ba182115d8744d554e86150ae153b90f5e984e28ca85c5ea7719e1fb0d","abstract_canon_sha256":"309c517aaff5194f6f337194cbe0a67cbe9bffc5ffd631cea0d051b593e9b092"},"schema_version":"1.0"},"canonical_sha256":"4f440b62f9bc5825e4d501bf557a2835a509ea177ad4a2a15157de983b7340aa","source":{"kind":"arxiv","id":"1804.01906","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01906","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01906v3","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01906","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"pith_short_12","alias_value":"J5CAWYXZXRMC","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J5CAWYXZXRMCLZGV","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J5CAWYXZ","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:J5CAWYXZXRMCLZGVAG7VK6RIGW","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01906","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-04-05T15:19:00Z","cross_cats_sorted":["cs.ET","physics.bio-ph","physics.comp-ph"],"title_canon_sha256":"7a01e2ba182115d8744d554e86150ae153b90f5e984e28ca85c5ea7719e1fb0d","abstract_canon_sha256":"309c517aaff5194f6f337194cbe0a67cbe9bffc5ffd631cea0d051b593e9b092"},"schema_version":"1.0"},"canonical_sha256":"4f440b62f9bc5825e4d501bf557a2835a509ea177ad4a2a15157de983b7340aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:07.370685Z","signature_b64":"8bSWMyCmDu1T1ns39fYag+Y9Y5GvAeGUtCt38Rg1P2O0mFW49si2mLfwCpK+gHytEUvWfAuLRyJqjhQqM+QzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f440b62f9bc5825e4d501bf557a2835a509ea177ad4a2a15157de983b7340aa","last_reissued_at":"2026-05-17T23:50:07.369994Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:07.369994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01906","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:50:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6bZALdgs3gyvs8ooxLeAQzj/SxXi7F49RYsSOJuICnAeKcU1vUjkGJcoECwQUPMCGv2uGyvFEhgejsgOkRChAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:44:18.171500Z"},"content_sha256":"3446df3aec50a94cfc3bf96e6e8770406eceda43609ae57f823f5844377c5e9a","schema_version":"1.0","event_id":"sha256:3446df3aec50a94cfc3bf96e6e8770406eceda43609ae57f823f5844377c5e9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:J5CAWYXZXRMCLZGVAG7VK6RIGW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Accelerated LIF Neuronal Network Array for a Large Scale Mixed-Signal Neuromorphic Architecture","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET","physics.bio-ph","physics.comp-ph"],"primary_cat":"q-bio.NC","authors_text":"Andreas Gr\\\"ubl, Andreas Hartel, Christian Pehle, Johannes Schemmel, Karlheinz Meier, Paul M\\\"uller, Syed Ahmed Aamir, Yannik Stradmann","submitted_at":"2018-04-05T15:19:00Z","abstract_excerpt":"We present an array of leaky integrate-and-fire (LIF) neuron circuits designed for the second-generation BrainScaleS mixed-signal 65-nm CMOS neuromorphic hardware. The neuronal array is embedded in the analog network core of a scaled-down prototype HICANN-DLS chip. Designed as continuous-time circuits, the neurons are highly tunable and reconfigurable elements with accelerated dynamics. Each neuron integrates input current from a multitude of incoming synapses and evokes a digital spike event output. The circuit offers a wide tuning range for synaptic and membrane time constants, as well as fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01906","kind":"arxiv","version":3},"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":"2026-05-17T23:50:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O+LbLiPr9GVhEeGjYh8XL3nhWjIpFdgM9wAPlsIvGO2zmhrdSUtmbNZRIJxRjoDkaEjVMIS7nRn4RpQG8VzhBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:44:18.172197Z"},"content_sha256":"8f7a6ea961923d78b61eff7a24eb9d053430a8f2ef0d894ab9bf0f41cd2de5a6","schema_version":"1.0","event_id":"sha256:8f7a6ea961923d78b61eff7a24eb9d053430a8f2ef0d894ab9bf0f41cd2de5a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW/bundle.json","state_url":"https://pith.science/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW/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":"2026-05-26T00:44:18Z","links":{"resolver":"https://pith.science/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW","bundle":"https://pith.science/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW/bundle.json","state":"https://pith.science/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J5CAWYXZXRMCLZGVAG7VK6RIGW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:J5CAWYXZXRMCLZGVAG7VK6RIGW","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":"309c517aaff5194f6f337194cbe0a67cbe9bffc5ffd631cea0d051b593e9b092","cross_cats_sorted":["cs.ET","physics.bio-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-04-05T15:19:00Z","title_canon_sha256":"7a01e2ba182115d8744d554e86150ae153b90f5e984e28ca85c5ea7719e1fb0d"},"schema_version":"1.0","source":{"id":"1804.01906","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01906","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01906v3","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01906","created_at":"2026-05-17T23:50:07Z"},{"alias_kind":"pith_short_12","alias_value":"J5CAWYXZXRMC","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J5CAWYXZXRMCLZGV","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J5CAWYXZ","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:8f7a6ea961923d78b61eff7a24eb9d053430a8f2ef0d894ab9bf0f41cd2de5a6","target":"graph","created_at":"2026-05-17T23:50:07Z","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":"We present an array of leaky integrate-and-fire (LIF) neuron circuits designed for the second-generation BrainScaleS mixed-signal 65-nm CMOS neuromorphic hardware. The neuronal array is embedded in the analog network core of a scaled-down prototype HICANN-DLS chip. Designed as continuous-time circuits, the neurons are highly tunable and reconfigurable elements with accelerated dynamics. Each neuron integrates input current from a multitude of incoming synapses and evokes a digital spike event output. The circuit offers a wide tuning range for synaptic and membrane time constants, as well as fo","authors_text":"Andreas Gr\\\"ubl, Andreas Hartel, Christian Pehle, Johannes Schemmel, Karlheinz Meier, Paul M\\\"uller, Syed Ahmed Aamir, Yannik Stradmann","cross_cats":["cs.ET","physics.bio-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-04-05T15:19:00Z","title":"An Accelerated LIF Neuronal Network Array for a Large Scale Mixed-Signal Neuromorphic Architecture"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01906","kind":"arxiv","version":3},"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":"sha256:3446df3aec50a94cfc3bf96e6e8770406eceda43609ae57f823f5844377c5e9a","target":"record","created_at":"2026-05-17T23:50:07Z","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":"309c517aaff5194f6f337194cbe0a67cbe9bffc5ffd631cea0d051b593e9b092","cross_cats_sorted":["cs.ET","physics.bio-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2018-04-05T15:19:00Z","title_canon_sha256":"7a01e2ba182115d8744d554e86150ae153b90f5e984e28ca85c5ea7719e1fb0d"},"schema_version":"1.0","source":{"id":"1804.01906","kind":"arxiv","version":3}},"canonical_sha256":"4f440b62f9bc5825e4d501bf557a2835a509ea177ad4a2a15157de983b7340aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f440b62f9bc5825e4d501bf557a2835a509ea177ad4a2a15157de983b7340aa","first_computed_at":"2026-05-17T23:50:07.369994Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:07.369994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8bSWMyCmDu1T1ns39fYag+Y9Y5GvAeGUtCt38Rg1P2O0mFW49si2mLfwCpK+gHytEUvWfAuLRyJqjhQqM+QzBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:07.370685Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01906","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3446df3aec50a94cfc3bf96e6e8770406eceda43609ae57f823f5844377c5e9a","sha256:8f7a6ea961923d78b61eff7a24eb9d053430a8f2ef0d894ab9bf0f41cd2de5a6"],"state_sha256":"7f7a13a8b9a472a9aba475660eccbfd768f617590bb5bee03f317aa1baece2ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"67XlqmqU5Fb3cTyd52wgNk6W+7VKYXU46Yqtb42qa3Zn9zrybUjOdJiTZRyBl9M3AVJTzAAGrc6ZI0nEFPs7CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:44:18.175680Z","bundle_sha256":"f1ac58656babe04e0590b396774bbc08e1de6ba29f68cf1ab1df01318396c40f"}}