{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:AO2BAGW3T3AQNJ4YIGD65WP5FN","short_pith_number":"pith:AO2BAGW3","canonical_record":{"source":{"id":"cond-mat/9902011","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1999-02-01T12:54:37Z","cross_cats_sorted":["adap-org","cond-mat.stat-mech","cs.NE","math-ph","math.MP","nlin.AO","physics.bio-ph","q-bio"],"title_canon_sha256":"828a251b2b8c576d4feb7cc9312533725136c4f6702e9194f43991c596330f2e","abstract_canon_sha256":"e692cb4725aa9e382ee3503868ddf1eeffa72d2483fbe82fc71f70ab947eb3f3"},"schema_version":"1.0"},"canonical_sha256":"03b4101adb9ec106a7984187eed9fd2b75020e9b7458b33667b0536c4111fdc5","source":{"kind":"arxiv","id":"cond-mat/9902011","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9902011","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9902011v1","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9902011","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"AO2BAGW3T3AQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"AO2BAGW3T3AQNJ4Y","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"AO2BAGW3","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:AO2BAGW3T3AQNJ4YIGD65WP5FN","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9902011","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1999-02-01T12:54:37Z","cross_cats_sorted":["adap-org","cond-mat.stat-mech","cs.NE","math-ph","math.MP","nlin.AO","physics.bio-ph","q-bio"],"title_canon_sha256":"828a251b2b8c576d4feb7cc9312533725136c4f6702e9194f43991c596330f2e","abstract_canon_sha256":"e692cb4725aa9e382ee3503868ddf1eeffa72d2483fbe82fc71f70ab947eb3f3"},"schema_version":"1.0"},"canonical_sha256":"03b4101adb9ec106a7984187eed9fd2b75020e9b7458b33667b0536c4111fdc5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:04.947578Z","signature_b64":"uD//YRCasnKUOuD7B5hvJQUz6HLFrU62ZQ0yjmn38rgZiRggRAUgZixHnzJTKljlsR590QcjcMef4aXTh5gCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03b4101adb9ec106a7984187eed9fd2b75020e9b7458b33667b0536c4111fdc5","last_reissued_at":"2026-05-18T01:07:04.947067Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:04.947067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9902011","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":"2026-05-18T01:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SQ43dWUfl0LLipeb3u+LsI7PL1aJEgYRH6353JC00jJMgHvC/kL0NP7Mrm7dquUi6DXdbAmucCgdYqN6e8SDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T17:53:49.562627Z"},"content_sha256":"453b530c1e8652cebdebd0692279e9a9c2d95fc52ca44c3b78463a89c6b0de25","schema_version":"1.0","event_id":"sha256:453b530c1e8652cebdebd0692279e9a9c2d95fc52ca44c3b78463a89c6b0de25"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:AO2BAGW3T3AQNJ4YIGD65WP5FN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cortical Potential Distributions and Cognitive Information Processing","license":"","headline":"","cross_cats":["adap-org","cond-mat.stat-mech","cs.NE","math-ph","math.MP","nlin.AO","physics.bio-ph","q-bio"],"primary_cat":"cond-mat.dis-nn","authors_text":"Henry C. Tuckwell","submitted_at":"1999-02-01T12:54:37Z","abstract_excerpt":"The use of cortical field potentials rather than the details of spike trains as the basis for cognitive information processing is proposed. This results in a space of cognitive elements with natural metrics. Sets of spike trains may also be considered to be points in a multidimensional metric space. The closeness of sets of spike trains in such a space implies the closeness of points in the resulting function space of potential distributions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9902011","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":"2026-05-18T01:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+UFgSjcIA+F+CyD6S5mGX9eSshWjlFPa1tImxj9KmIuvtsFZIckfw84HJ5LvD1EoEPdFFfLHx0UDc53RzWYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T17:53:49.562996Z"},"content_sha256":"b283e99c8a5d886ec4e6a0e5a6bc5d7ed0e2c9954ff6b8ad0224287d10d776ad","schema_version":"1.0","event_id":"sha256:b283e99c8a5d886ec4e6a0e5a6bc5d7ed0e2c9954ff6b8ad0224287d10d776ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN/bundle.json","state_url":"https://pith.science/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN/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":"2026-06-04T17:53:49Z","links":{"resolver":"https://pith.science/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN","bundle":"https://pith.science/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN/bundle.json","state":"https://pith.science/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AO2BAGW3T3AQNJ4YIGD65WP5FN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:AO2BAGW3T3AQNJ4YIGD65WP5FN","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":"e692cb4725aa9e382ee3503868ddf1eeffa72d2483fbe82fc71f70ab947eb3f3","cross_cats_sorted":["adap-org","cond-mat.stat-mech","cs.NE","math-ph","math.MP","nlin.AO","physics.bio-ph","q-bio"],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1999-02-01T12:54:37Z","title_canon_sha256":"828a251b2b8c576d4feb7cc9312533725136c4f6702e9194f43991c596330f2e"},"schema_version":"1.0","source":{"id":"cond-mat/9902011","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9902011","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9902011v1","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9902011","created_at":"2026-05-18T01:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"AO2BAGW3T3AQ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"AO2BAGW3T3AQNJ4Y","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"AO2BAGW3","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:b283e99c8a5d886ec4e6a0e5a6bc5d7ed0e2c9954ff6b8ad0224287d10d776ad","target":"graph","created_at":"2026-05-18T01:07:04Z","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 use of cortical field potentials rather than the details of spike trains as the basis for cognitive information processing is proposed. This results in a space of cognitive elements with natural metrics. Sets of spike trains may also be considered to be points in a multidimensional metric space. The closeness of sets of spike trains in such a space implies the closeness of points in the resulting function space of potential distributions.","authors_text":"Henry C. Tuckwell","cross_cats":["adap-org","cond-mat.stat-mech","cs.NE","math-ph","math.MP","nlin.AO","physics.bio-ph","q-bio"],"headline":"","license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1999-02-01T12:54:37Z","title":"Cortical Potential Distributions and Cognitive Information Processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9902011","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":"sha256:453b530c1e8652cebdebd0692279e9a9c2d95fc52ca44c3b78463a89c6b0de25","target":"record","created_at":"2026-05-18T01:07:04Z","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":"e692cb4725aa9e382ee3503868ddf1eeffa72d2483fbe82fc71f70ab947eb3f3","cross_cats_sorted":["adap-org","cond-mat.stat-mech","cs.NE","math-ph","math.MP","nlin.AO","physics.bio-ph","q-bio"],"license":"","primary_cat":"cond-mat.dis-nn","submitted_at":"1999-02-01T12:54:37Z","title_canon_sha256":"828a251b2b8c576d4feb7cc9312533725136c4f6702e9194f43991c596330f2e"},"schema_version":"1.0","source":{"id":"cond-mat/9902011","kind":"arxiv","version":1}},"canonical_sha256":"03b4101adb9ec106a7984187eed9fd2b75020e9b7458b33667b0536c4111fdc5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03b4101adb9ec106a7984187eed9fd2b75020e9b7458b33667b0536c4111fdc5","first_computed_at":"2026-05-18T01:07:04.947067Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:04.947067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uD//YRCasnKUOuD7B5hvJQUz6HLFrU62ZQ0yjmn38rgZiRggRAUgZixHnzJTKljlsR590QcjcMef4aXTh5gCBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:04.947578Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9902011","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:453b530c1e8652cebdebd0692279e9a9c2d95fc52ca44c3b78463a89c6b0de25","sha256:b283e99c8a5d886ec4e6a0e5a6bc5d7ed0e2c9954ff6b8ad0224287d10d776ad"],"state_sha256":"b7eff0e414181c8aac21f3fbb060cd14864da48cb5747e20eff76df6aaf51609"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5nQnAIbfHfrUgtoOdl2KD3PxCVW+K/g0if8P7TEP8wnB0V00r4CL5WrJ+78Z7vbCJqGWsKdlvwfpk46F/TMCCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T17:53:49.565114Z","bundle_sha256":"b978e806f44b3416d1c730392f2da714841606fce577c19420e104d6d3ebd622"}}