{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:MD5LST335DTKKDIZZGMFD4MW4P","short_pith_number":"pith:MD5LST33","canonical_record":{"source":{"id":"1106.2032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-06-10T12:24:07Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"9b6f569eb8611fc268ef89336684087663fa570b91ba48865037e8a8fb5d6d92","abstract_canon_sha256":"bebbe7dea102bec8093c7266f9d1972f3270c679eff29e406372ca1059fdd979"},"schema_version":"1.0"},"canonical_sha256":"60fab94f7be8e6a50d19c99851f196e3c8a83ed352573a1cef7eb8432230ee9f","source":{"kind":"arxiv","id":"1106.2032","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2032","created_at":"2026-05-18T02:01:40Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2032v1","created_at":"2026-05-18T02:01:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2032","created_at":"2026-05-18T02:01:40Z"},{"alias_kind":"pith_short_12","alias_value":"MD5LST335DTK","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"MD5LST335DTKKDIZ","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"MD5LST33","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:MD5LST335DTKKDIZZGMFD4MW4P","target":"record","payload":{"canonical_record":{"source":{"id":"1106.2032","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-06-10T12:24:07Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"9b6f569eb8611fc268ef89336684087663fa570b91ba48865037e8a8fb5d6d92","abstract_canon_sha256":"bebbe7dea102bec8093c7266f9d1972f3270c679eff29e406372ca1059fdd979"},"schema_version":"1.0"},"canonical_sha256":"60fab94f7be8e6a50d19c99851f196e3c8a83ed352573a1cef7eb8432230ee9f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:40.063411Z","signature_b64":"Jmp1xqksM7YzsRbZL9T2ImSkDD8hRCP0Egxrh3S1Pduj8nx9W2YoTpmynglR0r8h+ktLEikVmgM9uB8/3INuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60fab94f7be8e6a50d19c99851f196e3c8a83ed352573a1cef7eb8432230ee9f","last_reissued_at":"2026-05-18T02:01:40.062899Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:40.062899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.2032","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":"2026-05-18T02:01:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xc+V1F9vZZE/NgAD7wmUZz5fJMx/9dR0hKNKP0ogDInNPsARQdByPOW7rn8nCQWGTdwUvTARy+3B89l7PRSzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:51:04.506653Z"},"content_sha256":"dedee083a573b39038295d60c75bd8c09c8e73a405ae70a879a44d7e8df1bf76","schema_version":"1.0","event_id":"sha256:dedee083a573b39038295d60c75bd8c09c8e73a405ae70a879a44d7e8df1bf76"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:MD5LST335DTKKDIZZGMFD4MW4P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Storage capacity of phase-coded patterns in sparse neural networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"q-bio.NC","authors_text":"Antonio de Candia, Ferdinando Giacco, Siliva Scarpetta","submitted_at":"2011-06-10T12:24:07Z","abstract_excerpt":"We study the storage of multiple phase-coded patterns as stable dynamical attractors in recurrent neural networks with sparse connectivity. To determine the synaptic strength of existent connections and store the phase-coded patterns, we introduce a learning rule inspired to the spike-timing dependent plasticity (STDP). We find that, after learning, the spontaneous dynamics of the network replay one of the stored dynamical patterns, depending on the network initialization. We study the network capacity as a function of topology, and find that a small- world-like topology may be optimal, as a c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2032","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":"2026-05-18T02:01:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X1fuB9dXRAZgaCOWbNA/mMWhQj5iVF/0f94TvrnMbtOPVsVtT9TNzqSXevl/t2Yc/dFssycDFO6BgyJOoIDRDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T18:51:04.507030Z"},"content_sha256":"44eb630fef37dd75bd04a84d37d6156e59277df7bc049a6ebc0e4adfb4f5f8de","schema_version":"1.0","event_id":"sha256:44eb630fef37dd75bd04a84d37d6156e59277df7bc049a6ebc0e4adfb4f5f8de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MD5LST335DTKKDIZZGMFD4MW4P/bundle.json","state_url":"https://pith.science/pith/MD5LST335DTKKDIZZGMFD4MW4P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MD5LST335DTKKDIZZGMFD4MW4P/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":"2026-06-05T18:51:04Z","links":{"resolver":"https://pith.science/pith/MD5LST335DTKKDIZZGMFD4MW4P","bundle":"https://pith.science/pith/MD5LST335DTKKDIZZGMFD4MW4P/bundle.json","state":"https://pith.science/pith/MD5LST335DTKKDIZZGMFD4MW4P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MD5LST335DTKKDIZZGMFD4MW4P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:MD5LST335DTKKDIZZGMFD4MW4P","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":"bebbe7dea102bec8093c7266f9d1972f3270c679eff29e406372ca1059fdd979","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-06-10T12:24:07Z","title_canon_sha256":"9b6f569eb8611fc268ef89336684087663fa570b91ba48865037e8a8fb5d6d92"},"schema_version":"1.0","source":{"id":"1106.2032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2032","created_at":"2026-05-18T02:01:40Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2032v1","created_at":"2026-05-18T02:01:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2032","created_at":"2026-05-18T02:01:40Z"},{"alias_kind":"pith_short_12","alias_value":"MD5LST335DTK","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"MD5LST335DTKKDIZ","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"MD5LST33","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:44eb630fef37dd75bd04a84d37d6156e59277df7bc049a6ebc0e4adfb4f5f8de","target":"graph","created_at":"2026-05-18T02:01:40Z","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 study the storage of multiple phase-coded patterns as stable dynamical attractors in recurrent neural networks with sparse connectivity. To determine the synaptic strength of existent connections and store the phase-coded patterns, we introduce a learning rule inspired to the spike-timing dependent plasticity (STDP). We find that, after learning, the spontaneous dynamics of the network replay one of the stored dynamical patterns, depending on the network initialization. We study the network capacity as a function of topology, and find that a small- world-like topology may be optimal, as a c","authors_text":"Antonio de Candia, Ferdinando Giacco, Siliva Scarpetta","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-06-10T12:24:07Z","title":"Storage capacity of phase-coded patterns in sparse neural networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2032","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:dedee083a573b39038295d60c75bd8c09c8e73a405ae70a879a44d7e8df1bf76","target":"record","created_at":"2026-05-18T02:01:40Z","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":"bebbe7dea102bec8093c7266f9d1972f3270c679eff29e406372ca1059fdd979","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2011-06-10T12:24:07Z","title_canon_sha256":"9b6f569eb8611fc268ef89336684087663fa570b91ba48865037e8a8fb5d6d92"},"schema_version":"1.0","source":{"id":"1106.2032","kind":"arxiv","version":1}},"canonical_sha256":"60fab94f7be8e6a50d19c99851f196e3c8a83ed352573a1cef7eb8432230ee9f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60fab94f7be8e6a50d19c99851f196e3c8a83ed352573a1cef7eb8432230ee9f","first_computed_at":"2026-05-18T02:01:40.062899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:40.062899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Jmp1xqksM7YzsRbZL9T2ImSkDD8hRCP0Egxrh3S1Pduj8nx9W2YoTpmynglR0r8h+ktLEikVmgM9uB8/3INuBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:40.063411Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.2032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dedee083a573b39038295d60c75bd8c09c8e73a405ae70a879a44d7e8df1bf76","sha256:44eb630fef37dd75bd04a84d37d6156e59277df7bc049a6ebc0e4adfb4f5f8de"],"state_sha256":"7ade03df6eea23a7a80d0eeb0bcf18ca14271b24ad69d612b6291ddf1701c483"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s1N45V1aJ2L2RVhUExBuZinlbPwnIfVwXDWGVjQTn0maaBpCB7+q46rPw18206UvDZW2YLFWOif+NK/sr3boBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T18:51:04.509212Z","bundle_sha256":"25cdb0d5f20b4b33da9b0991a923f838e16ea9755ebfb6a39891d95182425e6d"}}