{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000950},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000949","480:4800001125","480:4800001068","480:4800001165","480:4800000908","480:4800000985","480:4800000984","495:4950001625","480:4800000986","495:4950001111","480:4800000521","480:4800001069","497:4970001490","497:4970001721","480:4800000864","497:4970001647","497:4970000753","497:4970001891","480:4800000987","480:4800000948","480:4800001124","497:4970001570","497:4970001421","491:4910004946","497:4970001329"],"twin_admin_codes":[480,480,480,480,480,480,480,495,480,495,480,480,497,497,480,497,497,497,480,480,480,497,497,491,497],"twin_sims":[0.3073295824076775,0.2439658904125003,0.1378673624986197,0.09778664331384178,0.08591484096636423,0.024793841019624827,0.02403191626074382,0.01511627053398091,0.012148569213972168,0.009315741676986634,0.005254894964486554,0.0043817455994372275,0.0033857907905623956,0.003378173534311665,0.0030326236047215098,0.0030106305341142253,0.002411485196464471,0.002272560587652358,0.002237701855066064,0.0021357190134597766,0.002049859197704722,0.0019836400201890918,0.0018618997208979906,0.0018273725954995224,0.0018199680539395372],"twin_dists":[0.19950298527345978,0.2181525586816881,0.2585424435706586,0.2800575381790573,0.2877473943304012,0.35316118628840465,0.35464879719648407,0.3760526307674759,0.3857313323606137,0.397171796372717,0.42078513193588574,0.4280072043204715,0.43805137018299245,0.438138087753307,0.44227277048144253,0.4425502738034211,0.4509287257408228,0.45314279060955137,0.45371781408425044,0.45544862195617974,0.456965710757999,0.4581761975843737,0.46050196615538713,0.46118706881235055,0.4613355437351664],"n_dims_used":43,"mean_confidence":0.9025134596713754},"coverage":{"mean_confidence":0.9025134596713754,"n_dims_used":43,"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}}