{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:K6XAI4E3A4QWOCMK4POH64SPJC","short_pith_number":"pith:K6XAI4E3","canonical_record":{"source":{"id":"1601.00701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-04T23:35:41Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"8d740c43856553b54dbbb7db6990925e1eef6e31325d243975d5eb5c2c14d0a5","abstract_canon_sha256":"f057ca220dd8b6ab1a3f9054f35c5e08f011621753897ab63bbacabdeb0645e0"},"schema_version":"1.0"},"canonical_sha256":"57ae04709b072167098ae3dc7f724f48a2c1df70be5bbf110fe117a916448280","source":{"kind":"arxiv","id":"1601.00701","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00701","created_at":"2026-05-18T00:51:18Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00701v1","created_at":"2026-05-18T00:51:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00701","created_at":"2026-05-18T00:51:18Z"},{"alias_kind":"pith_short_12","alias_value":"K6XAI4E3A4QW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K6XAI4E3A4QWOCMK","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K6XAI4E3","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:K6XAI4E3A4QWOCMK4POH64SPJC","target":"record","payload":{"canonical_record":{"source":{"id":"1601.00701","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-04T23:35:41Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"8d740c43856553b54dbbb7db6990925e1eef6e31325d243975d5eb5c2c14d0a5","abstract_canon_sha256":"f057ca220dd8b6ab1a3f9054f35c5e08f011621753897ab63bbacabdeb0645e0"},"schema_version":"1.0"},"canonical_sha256":"57ae04709b072167098ae3dc7f724f48a2c1df70be5bbf110fe117a916448280","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:18.160016Z","signature_b64":"nFF4tUyndi9mytfjk48ZxzUXDG49KPzIFSQalF040zPGn5CF0PMVL++k8UP7FAfugMF4WwdseFb+EbohUViQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57ae04709b072167098ae3dc7f724f48a2c1df70be5bbf110fe117a916448280","last_reissued_at":"2026-05-18T00:51:18.159300Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:18.159300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.00701","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":"2026-05-18T00:51:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XU2fAWX5/unnvDHdCXlbEW5VJeHxA2dZX8CoSRXBWdnbqc4hT9IZD8kSNFBLeufqYepdlsBdxEKxNWH/XLpWBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:09:02.351449Z"},"content_sha256":"522566f1688f0bf820311cda1f1ba93d5ecdbd1fccf2987f353e5c37925b82e6","schema_version":"1.0","event_id":"sha256:522566f1688f0bf820311cda1f1ba93d5ecdbd1fccf2987f353e5c37925b82e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:K6XAI4E3A4QWOCMK4POH64SPJC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear Hebbian learning as a unifying principle in receptive field formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"q-bio.NC","authors_text":"Carlos S. N. Brito, Wulfram Gerstner","submitted_at":"2016-01-04T23:35:41Z","abstract_excerpt":"The development of sensory receptive fields has been modeled in the past by a variety of models including normative models such as sparse coding or independent component analysis and bottom-up models such as spike-timing dependent plasticity or the Bienenstock-Cooper-Munro model of synaptic plasticity. Here we show that the above variety of approaches can all be unified into a single common principle, namely Nonlinear Hebbian Learning. When Nonlinear Hebbian Learning is applied to natural images, receptive field shapes were strongly constrained by the input statistics and preprocessing, but ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00701","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":"2026-05-18T00:51:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l+jveAFRoMkbw5YgfmLy9YmM3fpl2VVXx8MqS2L4rFuZb9FwWjI9h9sPPKCFBu1OftdWXgMqXmz6wJfKWR9KCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T21:09:02.352200Z"},"content_sha256":"d281e00183537af2245d2f82abc17beb4c98a74cc71c4b1813d25f9144e1721b","schema_version":"1.0","event_id":"sha256:d281e00183537af2245d2f82abc17beb4c98a74cc71c4b1813d25f9144e1721b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K6XAI4E3A4QWOCMK4POH64SPJC/bundle.json","state_url":"https://pith.science/pith/K6XAI4E3A4QWOCMK4POH64SPJC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K6XAI4E3A4QWOCMK4POH64SPJC/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":"2026-06-09T21:09:02Z","links":{"resolver":"https://pith.science/pith/K6XAI4E3A4QWOCMK4POH64SPJC","bundle":"https://pith.science/pith/K6XAI4E3A4QWOCMK4POH64SPJC/bundle.json","state":"https://pith.science/pith/K6XAI4E3A4QWOCMK4POH64SPJC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K6XAI4E3A4QWOCMK4POH64SPJC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:K6XAI4E3A4QWOCMK4POH64SPJC","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":"f057ca220dd8b6ab1a3f9054f35c5e08f011621753897ab63bbacabdeb0645e0","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-04T23:35:41Z","title_canon_sha256":"8d740c43856553b54dbbb7db6990925e1eef6e31325d243975d5eb5c2c14d0a5"},"schema_version":"1.0","source":{"id":"1601.00701","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.00701","created_at":"2026-05-18T00:51:18Z"},{"alias_kind":"arxiv_version","alias_value":"1601.00701v1","created_at":"2026-05-18T00:51:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.00701","created_at":"2026-05-18T00:51:18Z"},{"alias_kind":"pith_short_12","alias_value":"K6XAI4E3A4QW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K6XAI4E3A4QWOCMK","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K6XAI4E3","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:d281e00183537af2245d2f82abc17beb4c98a74cc71c4b1813d25f9144e1721b","target":"graph","created_at":"2026-05-18T00:51:18Z","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 development of sensory receptive fields has been modeled in the past by a variety of models including normative models such as sparse coding or independent component analysis and bottom-up models such as spike-timing dependent plasticity or the Bienenstock-Cooper-Munro model of synaptic plasticity. Here we show that the above variety of approaches can all be unified into a single common principle, namely Nonlinear Hebbian Learning. When Nonlinear Hebbian Learning is applied to natural images, receptive field shapes were strongly constrained by the input statistics and preprocessing, but ex","authors_text":"Carlos S. N. Brito, Wulfram Gerstner","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-04T23:35:41Z","title":"Nonlinear Hebbian learning as a unifying principle in receptive field formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.00701","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":"sha256:522566f1688f0bf820311cda1f1ba93d5ecdbd1fccf2987f353e5c37925b82e6","target":"record","created_at":"2026-05-18T00:51:18Z","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":"f057ca220dd8b6ab1a3f9054f35c5e08f011621753897ab63bbacabdeb0645e0","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2016-01-04T23:35:41Z","title_canon_sha256":"8d740c43856553b54dbbb7db6990925e1eef6e31325d243975d5eb5c2c14d0a5"},"schema_version":"1.0","source":{"id":"1601.00701","kind":"arxiv","version":1}},"canonical_sha256":"57ae04709b072167098ae3dc7f724f48a2c1df70be5bbf110fe117a916448280","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57ae04709b072167098ae3dc7f724f48a2c1df70be5bbf110fe117a916448280","first_computed_at":"2026-05-18T00:51:18.159300Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:18.159300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nFF4tUyndi9mytfjk48ZxzUXDG49KPzIFSQalF040zPGn5CF0PMVL++k8UP7FAfugMF4WwdseFb+EbohUViQBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:18.160016Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.00701","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:522566f1688f0bf820311cda1f1ba93d5ecdbd1fccf2987f353e5c37925b82e6","sha256:d281e00183537af2245d2f82abc17beb4c98a74cc71c4b1813d25f9144e1721b"],"state_sha256":"5ce04051fcf4e0c018868f4ce8c797224625a7631948b88c34f9e5a173f4236d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"27eMmSJNsIMke8ZIVs6kBryJOR4TZkGlVvJ1B3CxgfhuhUdjXscpx9i5gYdzQaGP0G4U/WmE5U9suE7yTqzqBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T21:09:02.357600Z","bundle_sha256":"28ed3aeba41e9e39da19d7b91349148908f7d9e7e680fb8d57fdb3b4dacdf3f8"}}