{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001180},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001947","495:4950001903","495:4950001952","495:4950001733","495:4950001797","480:4800000708","480:4800001116","495:4950001949","495:4950001950","495:4950001608","495:4950001677","495:4950000951","495:4950001556","495:4950001792","495:4950001671","480:4800000520","495:4950001549","495:4950001279","480:4800000674","480:4800000597","495:4950001318","495:4950001558","495:4950000904","495:4950001490","495:4950001430"],"twin_admin_codes":[495,495,495,495,495,480,480,495,495,495,495,495,495,495,495,480,495,495,480,480,495,495,495,495,495],"twin_sims":[0.3993023132093778,0.32993863904886545,0.2707948631645203,0.26991909143135573,0.2657091443942649,0.25313079909322816,0.23844151238916103,0.2285768658264522,0.22229604517369003,0.22218055281502985,0.208298281724707,0.2075083947797021,0.2073344290222392,0.20608794858502716,0.20596618349237866,0.20115023578341024,0.19303817376329999,0.19283700375360144,0.18635660149662397,0.18607783938063802,0.18180853977681705,0.17662691667441927,0.17559857179176055,0.17324911862695852,0.16858836658755966],"twin_dists":[0.17598222793282725,0.1934082374100822,0.2099306661385624,0.21019077584659998,0.21144850963329792,0.21528230469227008,0.21991637614339285,0.2231334959010136,0.22522986577892637,0.2252687809150166,0.23004905018279775,0.23032744973781563,0.23038886188907398,0.2308299176549275,0.23087310072474443,0.23259525083534044,0.23556148300295485,0.23563613149419482,0.23807047292228062,0.2381765104134417,0.239814647499413,0.24183979762734747,0.2422467128601504,0.24318280588245594,0.2450670137765581],"n_dims_used":43,"mean_confidence":0.9023677914641625},"coverage":{"mean_confidence":0.9023677914641625,"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}}