{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002908},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003724","490:4900003062","490:4900003065","490:4900003332","490:4900003060","490:4900002750","490:4900003324","490:4900003457","490:4900001025","490:4900002905","490:4900002601","490:4900001837","490:4900003864","490:4900003199","490:4900002001","490:4900004147","490:4900001866","490:4900004288","490:4900003467","490:4900002781","490:4900002453","490:4900003340","490:4900002182","490:4900003063","490:4900003349"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7597379421596666,0.7289392648680245,0.6601236622174921,0.6169486730617156,0.6108655180879796,0.5793093401827323,0.5499381396963264,0.5390262617632838,0.5295259730933757,0.5215847633021086,0.5170996213649427,0.5053481687677549,0.5000240166537214,0.4842799966114276,0.4744016642468112,0.4699127771327496,0.46939961299480326,0.4654219051447415,0.46434448077716406,0.4618925266195256,0.4611744074212917,0.45643705952690544,0.45471750466820676,0.4455193971971928,0.4386994205697234],"twin_dists":[0.09627926391669098,0.10327510511756105,0.11836805154453453,0.1276434907524959,0.12894626198748102,0.13570717833531792,0.14202705778937064,0.14438760552759536,0.14645017860531295,0.1481802995888043,0.14916012571044066,0.15173738801211825,0.15291022472840513,0.1563995182387409,0.1586065740521212,0.1596144431920457,0.15972986683887555,0.16062601904601487,0.1608692093742917,0.16142338648852683,0.1615858875203204,0.1626601571594958,0.16305108754483455,0.1651515859253874,0.16671967160257095],"n_dims_used":45,"mean_confidence":0.9164254082573785},"coverage":{"mean_confidence":0.9164254082573785,"n_dims_used":45,"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}}