{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000981},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000859","480:4800000860","480:4800000901","495:4950001224","480:4800000452","480:4800001181","480:4800001113","480:4800001015","480:4800001017","480:4800001062","480:4800000559","480:4800001019","495:4950001561","495:4950001334","480:4800000360","480:4800001061","480:4800001176","480:4800000902","480:4800001120","495:4950001335","480:4800001114","480:4800000982","480:4800001121","480:4800001184","495:4950001107"],"twin_admin_codes":[480,480,480,495,480,480,480,480,480,480,480,480,495,495,480,480,480,480,480,495,480,480,480,480,495],"twin_sims":[0.9225572545942331,0.9225536952765745,0.9102290032469966,0.8691883621763993,0.8493411910927257,0.817411190801746,0.8148733340388866,0.8045313161240453,0.8015647635778517,0.7737977989572189,0.7678418888177014,0.766056110780745,0.7638411621657127,0.76286947737607,0.7537098251221076,0.7438136643904246,0.7266817185202191,0.7117082220736592,0.7045732749082886,0.7038631937229275,0.7007246867000901,0.6995063318733341,0.6984511417566531,0.6983045732148337,0.6909158242715271],"twin_dists":[0.0521461319324441,0.05214737987517368,0.05632992321614889,0.0687710660661877,0.07422058203594396,0.08247040522122374,0.08310396291711078,0.08565719906630138,0.0863815722570114,0.09301129517649637,0.09440212632794806,0.09481724596561276,0.09533095493814944,0.09555591237955843,0.09766489467505854,0.09992147152560499,0.1037804751205003,0.10711098680180811,0.10868608268046201,0.10884245584393748,0.10953282141544578,0.10980047762063161,0.11003213833577873,0.11006430566244522,0.11168258688579809],"n_dims_used":42,"mean_confidence":0.9000767299107143},"coverage":{"mean_confidence":0.9000767299107143,"n_dims_used":42,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}