{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EMYJPQE55FOJPSXSIHICJKEFKE","short_pith_number":"pith:EMYJPQE5","canonical_record":{"source":{"id":"1502.03662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-02-12T14:01:07Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"7532b37ed5f96a8e72860fb973964fb9d395743562c3fcf61d58a90964f071c3","abstract_canon_sha256":"7e3ca8a34261f7311439a933040b2a0c92ce1339001ed9ac29f610ed96676e83"},"schema_version":"1.0"},"canonical_sha256":"233097c09de95c97caf241d024a8855118564fd740f8701d4ef04c6e1770797c","source":{"kind":"arxiv","id":"1502.03662","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03662","created_at":"2026-05-18T01:32:30Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03662v1","created_at":"2026-05-18T01:32:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03662","created_at":"2026-05-18T01:32:30Z"},{"alias_kind":"pith_short_12","alias_value":"EMYJPQE55FOJ","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EMYJPQE55FOJPSXS","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EMYJPQE5","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EMYJPQE55FOJPSXSIHICJKEFKE","target":"record","payload":{"canonical_record":{"source":{"id":"1502.03662","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-02-12T14:01:07Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"7532b37ed5f96a8e72860fb973964fb9d395743562c3fcf61d58a90964f071c3","abstract_canon_sha256":"7e3ca8a34261f7311439a933040b2a0c92ce1339001ed9ac29f610ed96676e83"},"schema_version":"1.0"},"canonical_sha256":"233097c09de95c97caf241d024a8855118564fd740f8701d4ef04c6e1770797c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:30.207508Z","signature_b64":"f5W7s/mMlwQIPLI8YnIP3wA/rfoLogWA9Rdqa/5nXlQjs86kUOSOhrHzok+ITQeaFATG40h+E8fynDNfM9aFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"233097c09de95c97caf241d024a8855118564fd740f8701d4ef04c6e1770797c","last_reissued_at":"2026-05-18T01:32:30.206963Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:30.206963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.03662","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":"2026-05-18T01:32:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"isoyxsvo6vRvPEsyCJeT28+16X/t5Yt2A9uPoVyf+Cht0yvXqPFiqdLMAvpx0VGWQReAugWauwqz9yOsH+SeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:06:23.656379Z"},"content_sha256":"95843a93a313be62d3b6f799eb08327bca263bc56602b2478f6bfd44a7d3c7cd","schema_version":"1.0","event_id":"sha256:95843a93a313be62d3b6f799eb08327bca263bc56602b2478f6bfd44a7d3c7cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EMYJPQE55FOJPSXSIHICJKEFKE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Rich Spectrum of Neural Field Dynamics in the Presence of Short-Term Synaptic Depression","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"q-bio.NC","authors_text":"C. C. Alan Fung, He Wang, Kin Lam, K. Y. Michael Wong, Si Wu","submitted_at":"2015-02-12T14:01:07Z","abstract_excerpt":"In continuous attractor neural networks (CANNs), spatially continuous information such as orientation, head direction, and spatial location is represented by Gaussian-like tuning curves that can be displaced continuously in the space of the preferred stimuli of the neurons. We investigate how short-term synaptic depression (STD) can reshape the intrinsic dynamics of the CANN model and its responses to a single static input. In particular, CANNs with STD can support various complex firing patterns and chaotic behaviors. These chaotic behaviors have the potential to encode various stimuli in the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03662","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":"2026-05-18T01:32:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m8ql69AcPiLwpFVED26UJDaW4/5i94Lfmnnk52LM0Cyorox+uHQ/GoM1NpUgH7X7VXnFngeCyk/NxgxLlSq0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T07:06:23.656872Z"},"content_sha256":"921e75ce45b54b326382093760b8df1dd36c6afc1d6d4dcf097c095c849f6afe","schema_version":"1.0","event_id":"sha256:921e75ce45b54b326382093760b8df1dd36c6afc1d6d4dcf097c095c849f6afe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMYJPQE55FOJPSXSIHICJKEFKE/bundle.json","state_url":"https://pith.science/pith/EMYJPQE55FOJPSXSIHICJKEFKE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMYJPQE55FOJPSXSIHICJKEFKE/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":"2026-06-01T07:06:23Z","links":{"resolver":"https://pith.science/pith/EMYJPQE55FOJPSXSIHICJKEFKE","bundle":"https://pith.science/pith/EMYJPQE55FOJPSXSIHICJKEFKE/bundle.json","state":"https://pith.science/pith/EMYJPQE55FOJPSXSIHICJKEFKE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMYJPQE55FOJPSXSIHICJKEFKE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EMYJPQE55FOJPSXSIHICJKEFKE","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":"7e3ca8a34261f7311439a933040b2a0c92ce1339001ed9ac29f610ed96676e83","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-02-12T14:01:07Z","title_canon_sha256":"7532b37ed5f96a8e72860fb973964fb9d395743562c3fcf61d58a90964f071c3"},"schema_version":"1.0","source":{"id":"1502.03662","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.03662","created_at":"2026-05-18T01:32:30Z"},{"alias_kind":"arxiv_version","alias_value":"1502.03662v1","created_at":"2026-05-18T01:32:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03662","created_at":"2026-05-18T01:32:30Z"},{"alias_kind":"pith_short_12","alias_value":"EMYJPQE55FOJ","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EMYJPQE55FOJPSXS","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EMYJPQE5","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:921e75ce45b54b326382093760b8df1dd36c6afc1d6d4dcf097c095c849f6afe","target":"graph","created_at":"2026-05-18T01:32:30Z","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":"In continuous attractor neural networks (CANNs), spatially continuous information such as orientation, head direction, and spatial location is represented by Gaussian-like tuning curves that can be displaced continuously in the space of the preferred stimuli of the neurons. We investigate how short-term synaptic depression (STD) can reshape the intrinsic dynamics of the CANN model and its responses to a single static input. In particular, CANNs with STD can support various complex firing patterns and chaotic behaviors. These chaotic behaviors have the potential to encode various stimuli in the","authors_text":"C. C. Alan Fung, He Wang, Kin Lam, K. Y. Michael Wong, Si Wu","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-02-12T14:01:07Z","title":"A Rich Spectrum of Neural Field Dynamics in the Presence of Short-Term Synaptic Depression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03662","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":"sha256:95843a93a313be62d3b6f799eb08327bca263bc56602b2478f6bfd44a7d3c7cd","target":"record","created_at":"2026-05-18T01:32:30Z","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":"7e3ca8a34261f7311439a933040b2a0c92ce1339001ed9ac29f610ed96676e83","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-02-12T14:01:07Z","title_canon_sha256":"7532b37ed5f96a8e72860fb973964fb9d395743562c3fcf61d58a90964f071c3"},"schema_version":"1.0","source":{"id":"1502.03662","kind":"arxiv","version":1}},"canonical_sha256":"233097c09de95c97caf241d024a8855118564fd740f8701d4ef04c6e1770797c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"233097c09de95c97caf241d024a8855118564fd740f8701d4ef04c6e1770797c","first_computed_at":"2026-05-18T01:32:30.206963Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:30.206963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f5W7s/mMlwQIPLI8YnIP3wA/rfoLogWA9Rdqa/5nXlQjs86kUOSOhrHzok+ITQeaFATG40h+E8fynDNfM9aFCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:30.207508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.03662","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:95843a93a313be62d3b6f799eb08327bca263bc56602b2478f6bfd44a7d3c7cd","sha256:921e75ce45b54b326382093760b8df1dd36c6afc1d6d4dcf097c095c849f6afe"],"state_sha256":"d7fb69e55eed0b87f20d314335d5529d85a834f407b9ee8a41f8ebbfa5d33d70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CW6FyOyFOGquYvP9S1YaU7tgQIloK78NixysoaVMVyyorSE1eJDfaqGbmodMw0qx5lVRpuT6Az7qv/dz+G40CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T07:06:23.658732Z","bundle_sha256":"29e227f44333f66412b8005f3c3b9da359e64345e9362aa820ab0134251fcdfc"}}