{"schema":"illustrative-neural-manifest-v1","source_type":"procedural_visual_approximation","network":{"path":"network.json","bytes":1611107,"sha256":"095b47016585111920914b1a25785a24b5149125a815287a40eb9147fa8245d7"},"output":{"bytes":1611107,"sha256":"095b47016585111920914b1a25785a24b5149125a815287a40eb9147fa8245d7"},"source_asset":{"path":"assets/spl-nac-2017/anatomy-inner-v4.json","sha256":"02f31a5e9b1fc0f69b3f2b4bb77223eec828bf7ee639c264b324a931fa57e6f4","source_commit":"bec24db25aad5f7600e2df3becfb1f883e61ff56"},"source_attribution":"SPL/NAC Brain Atlas, January 2017; mhalle/spl-brain-atlas; original MRI envelope under 3D Slicer License Part B. New curves and symbols are procedural, not source reconstructions.","frame":{"basis":"RAS","unit":"mm","center":[2.4075698852539062,-7.589607238769531,-10.240180969238281],"radius":134.80550939712535,"bbox":[[-62.63233947753906,-97.52644348144531,-86.74966430664062],[67.44747924804688,82.34722900390625,66.26930236816406]],"normalization":"renderer only; all source positions unchanged in asset"},"seed":20260919,"counts":{"lines":15000,"somas":160,"simulated_neurons":0,"measured_neurons":0,"measured_connections":0},"code_sha256":{"builder":"6641e07b0a9868a99df39e242ef3d68e98f7012644183659e6c27a5567a1d198","tests":"8013678a68c2bb7c7b1e29015856d1ab2661002081a137480f21e7ba49bddbcc"},"plan_sha256":"79c84e92e7db261b19a59f8bc04d42e454285f75f30dab327da3bdb9c6bd0188","containment":{"grid_mm":1.5,"maximum_sample_spacing_mm":1.5,"radius_expanded_segment_aabb_in_safe_voxels":true},"limitations":["All curves, branches and soma-like symbols are procedural visual approximations, not measured neurons, axons, synapses, tracts or a connectome.","The only measured spatial constraint is the fixed, simplified SPL MRI envelope in its existing RAS millimetre frame; no microscopic registration is asserted.","Counts describe rendered segments and visual symbols; simulated neurons, measured neurons, functional connections and physiological activity are all zero.","Regional orientation, branching, symbol size, line radius, colour and density are display choices, not biological estimates.","Containment is relative to a conservative 1.5 mm grid of the existing display meshes. Ray parity requires usable closed surface regions; odd-intersection rays and all triangle-AABB boundary cells are discarded. This is not proof of anatomical or MRI segmentation accuracy.","Coordinate rounding to 0.1 mm is checked after rounding; no geometry is extrapolated into rejected cells or unsupported gaps.","White-matter envelopes omit much cortical grey matter and do not represent complete neuronal coverage. Separate envelopes are not joined across missing regions.","Longer arcs, connected symbol branches and regional orientations are visual continuity choices. Matching endpoints establish a drawing connection only, not a synapse or physiological pathway."]}