{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TVBTBXQGWJKBS4MPRDQLE2QOGA","short_pith_number":"pith:TVBTBXQG","canonical_record":{"source":{"id":"1801.05703","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-17T15:05:42Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"966551c05ffc145edc3832a6fa4dc0d0da6b0dd920fdf2bc099d1f46ab93bb34","abstract_canon_sha256":"f4fd8cc7d61868472304355325415f0a4dda079dd09440ef25f6e3462d2af62e"},"schema_version":"1.0"},"canonical_sha256":"9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5","source":{"kind":"arxiv","id":"1801.05703","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05703","created_at":"2026-05-18T00:25:33Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05703v2","created_at":"2026-05-18T00:25:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05703","created_at":"2026-05-18T00:25:33Z"},{"alias_kind":"pith_short_12","alias_value":"TVBTBXQGWJKB","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TVBTBXQGWJKBS4MP","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TVBTBXQG","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TVBTBXQGWJKBS4MPRDQLE2QOGA","target":"record","payload":{"canonical_record":{"source":{"id":"1801.05703","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-17T15:05:42Z","cross_cats_sorted":["q-bio.NC"],"title_canon_sha256":"966551c05ffc145edc3832a6fa4dc0d0da6b0dd920fdf2bc099d1f46ab93bb34","abstract_canon_sha256":"f4fd8cc7d61868472304355325415f0a4dda079dd09440ef25f6e3462d2af62e"},"schema_version":"1.0"},"canonical_sha256":"9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:33.303419Z","signature_b64":"hRwBag/Q87M6ik3JBYrqhB3KEh06el+OUNaIz3fvOVvWeuVEA72704kyyyUUBRpHfmoSrvl737x9Ean2X0ffDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5","last_reissued_at":"2026-05-18T00:25:33.302640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:33.302640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.05703","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LJ4g/0WbFMRUt93tkKQ9C3m92bFG4sjhvNfbrFhrOPEMFvwpv9G1hLe4X/Gr+mo2qIBTCw0QDR2zkTWSSyU8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T09:37:13.516513Z"},"content_sha256":"43362a2c6142ffcc03f38e139cfe4d3f8dd4da9d9e3d07e28a97225c9952d858","schema_version":"1.0","event_id":"sha256:43362a2c6142ffcc03f38e139cfe4d3f8dd4da9d9e3d07e28a97225c9952d858"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TVBTBXQGWJKBS4MPRDQLE2QOGA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Functional optimality of the sulcus pattern of the human brain","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["q-bio.NC"],"primary_cat":"physics.bio-ph","authors_text":"Michael Ortiz, Stefanie Heyden","submitted_at":"2018-01-17T15:05:42Z","abstract_excerpt":"We develop a mathematical model of information transmission across the biological neural network of the human brain. The overall function of the brain consists of the emergent processes resulting from the spread of information through the neural network. The capacity of the brain is therefore related to the rate at which it can transmit information through the neural network. The particular transmission model under consideration allows for information to be transmitted along multiple paths between points of the cortex. The resulting transmission rates are governed by potential theory. Accordin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05703","kind":"arxiv","version":2},"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":"2026-05-18T00:25:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y5YtW+10rIYXNyxdFMI2uF+eMdX61776U9GV79GW43j5z0h/7yvOv2nVAk4hx3fgcvZAC7gIyf2WoUejeV4YDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T09:37:13.517041Z"},"content_sha256":"ce8fa11d4843b0cf9bb7711591e269cf71525671af8b88ba9bcdcc3bdbef365d","schema_version":"1.0","event_id":"sha256:ce8fa11d4843b0cf9bb7711591e269cf71525671af8b88ba9bcdcc3bdbef365d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA/bundle.json","state_url":"https://pith.science/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA/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":"2026-05-21T09:37:13Z","links":{"resolver":"https://pith.science/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA","bundle":"https://pith.science/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA/bundle.json","state":"https://pith.science/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVBTBXQGWJKBS4MPRDQLE2QOGA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TVBTBXQGWJKBS4MPRDQLE2QOGA","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":"f4fd8cc7d61868472304355325415f0a4dda079dd09440ef25f6e3462d2af62e","cross_cats_sorted":["q-bio.NC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-17T15:05:42Z","title_canon_sha256":"966551c05ffc145edc3832a6fa4dc0d0da6b0dd920fdf2bc099d1f46ab93bb34"},"schema_version":"1.0","source":{"id":"1801.05703","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05703","created_at":"2026-05-18T00:25:33Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05703v2","created_at":"2026-05-18T00:25:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05703","created_at":"2026-05-18T00:25:33Z"},{"alias_kind":"pith_short_12","alias_value":"TVBTBXQGWJKB","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TVBTBXQGWJKBS4MP","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TVBTBXQG","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:ce8fa11d4843b0cf9bb7711591e269cf71525671af8b88ba9bcdcc3bdbef365d","target":"graph","created_at":"2026-05-18T00:25:33Z","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 a mathematical model of information transmission across the biological neural network of the human brain. The overall function of the brain consists of the emergent processes resulting from the spread of information through the neural network. The capacity of the brain is therefore related to the rate at which it can transmit information through the neural network. The particular transmission model under consideration allows for information to be transmitted along multiple paths between points of the cortex. The resulting transmission rates are governed by potential theory. Accordin","authors_text":"Michael Ortiz, Stefanie Heyden","cross_cats":["q-bio.NC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-17T15:05:42Z","title":"Functional optimality of the sulcus pattern of the human brain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05703","kind":"arxiv","version":2},"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":"sha256:43362a2c6142ffcc03f38e139cfe4d3f8dd4da9d9e3d07e28a97225c9952d858","target":"record","created_at":"2026-05-18T00:25:33Z","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":"f4fd8cc7d61868472304355325415f0a4dda079dd09440ef25f6e3462d2af62e","cross_cats_sorted":["q-bio.NC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2018-01-17T15:05:42Z","title_canon_sha256":"966551c05ffc145edc3832a6fa4dc0d0da6b0dd920fdf2bc099d1f46ab93bb34"},"schema_version":"1.0","source":{"id":"1801.05703","kind":"arxiv","version":2}},"canonical_sha256":"9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5","first_computed_at":"2026-05-18T00:25:33.302640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:33.302640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hRwBag/Q87M6ik3JBYrqhB3KEh06el+OUNaIz3fvOVvWeuVEA72704kyyyUUBRpHfmoSrvl737x9Ean2X0ffDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:33.303419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.05703","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43362a2c6142ffcc03f38e139cfe4d3f8dd4da9d9e3d07e28a97225c9952d858","sha256:ce8fa11d4843b0cf9bb7711591e269cf71525671af8b88ba9bcdcc3bdbef365d"],"state_sha256":"4fcdce7acf163a608d305891284f3a6722fa08a15f1431e5fd39aa0465fd7a36"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BNS+2cDQ+o3afXDPxJlLdeB9wMfX9PaRz8a60mAkygEcVpvxTLLZs6CRkHTHyqf2bc/8B31AaVA9BksT5+vwAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T09:37:13.519033Z","bundle_sha256":"445c2671d7b12bf10733691b72f6b4f67503b02e3edef10acb9b001022063ed0"}}