{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:HAZO3QQZWVTP2GZDIJ4ADDA7TB","short_pith_number":"pith:HAZO3QQZ","canonical_record":{"source":{"id":"1710.11279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2017-10-31T00:28:11Z","cross_cats_sorted":[],"title_canon_sha256":"90d13f5cf8a073064d4da1fb9870f3f09957daf1f6c97d645261db3d04980424","abstract_canon_sha256":"96d86c44e6d2f632db8e812c143d8bc0866cf35863cf9dfa469141befc3fd82a"},"schema_version":"1.0"},"canonical_sha256":"3832edc219b566fd1b234278018c1f984be7f806db5effe9f27b5938c820214f","source":{"kind":"arxiv","id":"1710.11279","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.11279","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"arxiv_version","alias_value":"1710.11279v1","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.11279","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"pith_short_12","alias_value":"HAZO3QQZWVTP","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HAZO3QQZWVTP2GZD","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HAZO3QQZ","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:HAZO3QQZWVTP2GZDIJ4ADDA7TB","target":"record","payload":{"canonical_record":{"source":{"id":"1710.11279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2017-10-31T00:28:11Z","cross_cats_sorted":[],"title_canon_sha256":"90d13f5cf8a073064d4da1fb9870f3f09957daf1f6c97d645261db3d04980424","abstract_canon_sha256":"96d86c44e6d2f632db8e812c143d8bc0866cf35863cf9dfa469141befc3fd82a"},"schema_version":"1.0"},"canonical_sha256":"3832edc219b566fd1b234278018c1f984be7f806db5effe9f27b5938c820214f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:22.354866Z","signature_b64":"2SkzPKsGM0VSp/kUG82RHL7GBBeeH07UTwYDmPzlGioAHwvQtiHlycsQpdXXAnRmY4Qd1NKK/H6k++EwC8mOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3832edc219b566fd1b234278018c1f984be7f806db5effe9f27b5938c820214f","last_reissued_at":"2026-05-18T00:00:22.354364Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:22.354364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.11279","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":"2026-05-18T00:00:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IaUEUapFXWB0kWKMzn9KRaPfG7ihlWkVYJALs7fdyV0tmxMf571Vwe+VlhE9dA0vQnMqVq+/D1NVHnZSxb9oCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:23:44.118416Z"},"content_sha256":"cf1ec7053dc32a0441c2d274b75382ab5293598809485910e62c2a700e3b18c5","schema_version":"1.0","event_id":"sha256:cf1ec7053dc32a0441c2d274b75382ab5293598809485910e62c2a700e3b18c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:HAZO3QQZWVTP2GZDIJ4ADDA7TB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Importance of Forgetting: Limiting Memory Improves Recovery of Topological Characteristics from Neural Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.NC","authors_text":"Bowen Dai, Facundo M\\'emoli, Samir Chowdhury","submitted_at":"2017-10-31T00:28:11Z","abstract_excerpt":"We develop of a line of work initiated by Curto and Itskov towards understanding the amount of information contained in the spike trains of hippocampal place cells via topology considerations. Previously, it was established that simply knowing which groups of place cells fire together in an animal's hippocampus is sufficient to extract the global topology of the animal's physical environment. We model a system where collections of place cells group and ungroup according to short-term plasticity rules. In particular, we obtain the surprising result that in experiments with spurious firing, the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.11279","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":"2026-05-18T00:00:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/JE1znoO30ZKlpISWFw8Ctbp9KxNjg1Hf2EKU9DXbPsHZBEKTQyHBsKhUiS0XTfVat0ST3GzqNLdwk56ZJjPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:23:44.118761Z"},"content_sha256":"d6d4802cdc81c40793ac39271ca76b1c8637b67bb6dd33dd917fdcb4608fa465","schema_version":"1.0","event_id":"sha256:d6d4802cdc81c40793ac39271ca76b1c8637b67bb6dd33dd917fdcb4608fa465"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB/bundle.json","state_url":"https://pith.science/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB/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":"2026-06-05T09:23:44Z","links":{"resolver":"https://pith.science/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB","bundle":"https://pith.science/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB/bundle.json","state":"https://pith.science/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HAZO3QQZWVTP2GZDIJ4ADDA7TB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:HAZO3QQZWVTP2GZDIJ4ADDA7TB","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":"96d86c44e6d2f632db8e812c143d8bc0866cf35863cf9dfa469141befc3fd82a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2017-10-31T00:28:11Z","title_canon_sha256":"90d13f5cf8a073064d4da1fb9870f3f09957daf1f6c97d645261db3d04980424"},"schema_version":"1.0","source":{"id":"1710.11279","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.11279","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"arxiv_version","alias_value":"1710.11279v1","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.11279","created_at":"2026-05-18T00:00:22Z"},{"alias_kind":"pith_short_12","alias_value":"HAZO3QQZWVTP","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"HAZO3QQZWVTP2GZD","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"HAZO3QQZ","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:d6d4802cdc81c40793ac39271ca76b1c8637b67bb6dd33dd917fdcb4608fa465","target":"graph","created_at":"2026-05-18T00:00:22Z","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 develop of a line of work initiated by Curto and Itskov towards understanding the amount of information contained in the spike trains of hippocampal place cells via topology considerations. Previously, it was established that simply knowing which groups of place cells fire together in an animal's hippocampus is sufficient to extract the global topology of the animal's physical environment. We model a system where collections of place cells group and ungroup according to short-term plasticity rules. In particular, we obtain the surprising result that in experiments with spurious firing, the ","authors_text":"Bowen Dai, Facundo M\\'emoli, Samir Chowdhury","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2017-10-31T00:28:11Z","title":"The Importance of Forgetting: Limiting Memory Improves Recovery of Topological Characteristics from Neural Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.11279","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:cf1ec7053dc32a0441c2d274b75382ab5293598809485910e62c2a700e3b18c5","target":"record","created_at":"2026-05-18T00:00:22Z","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":"96d86c44e6d2f632db8e812c143d8bc0866cf35863cf9dfa469141befc3fd82a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2017-10-31T00:28:11Z","title_canon_sha256":"90d13f5cf8a073064d4da1fb9870f3f09957daf1f6c97d645261db3d04980424"},"schema_version":"1.0","source":{"id":"1710.11279","kind":"arxiv","version":1}},"canonical_sha256":"3832edc219b566fd1b234278018c1f984be7f806db5effe9f27b5938c820214f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3832edc219b566fd1b234278018c1f984be7f806db5effe9f27b5938c820214f","first_computed_at":"2026-05-18T00:00:22.354364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:22.354364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2SkzPKsGM0VSp/kUG82RHL7GBBeeH07UTwYDmPzlGioAHwvQtiHlycsQpdXXAnRmY4Qd1NKK/H6k++EwC8mOAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:22.354866Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.11279","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf1ec7053dc32a0441c2d274b75382ab5293598809485910e62c2a700e3b18c5","sha256:d6d4802cdc81c40793ac39271ca76b1c8637b67bb6dd33dd917fdcb4608fa465"],"state_sha256":"cb7515b686762cec1506ca87599e136b0daf0ac3afc95c71d480f6fd18790d92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ddJqZKL0SOSXH9bf+NnVq3G4KNlAZeCBTE0Cc9Xu8vWqfBvz3ObmsFSgeh4IgeqeY6vnHBo5edYU5iPiiyHjBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:23:44.120682Z","bundle_sha256":"1b73a5df51b537e9b96212e48d67d79de59bb69d8eaa9ec54bb20a08ba3f7785"}}