{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910004036},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910003566","491:4910004032","491:4910004128","491:4910004085","491:4910004678","491:4910004037","491:4910003823","491:4910004369","491:4910004507","491:4910004226","491:4910004545","491:4910004679","491:4910004227","491:4910003773","491:4910003720","491:4910004229","491:4910003657","491:4910004033","491:4910003880","491:4910004467","491:4910003933","491:4910004080","491:4910003772","491:4910004389","491:4910003610"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.42434858807678205,0.401025927914738,0.3300934501103068,0.29134778288334107,0.17079704100885074,0.1649297098919657,0.1406825391254322,0.127656754775245,0.10800134462108114,0.10563695050688231,0.10119552140674763,0.09607601527327815,0.09567619007170648,0.08915652450301287,0.08860386691362819,0.08700257708301229,0.08285074546250432,0.07675523313735783,0.0764855950185784,0.06872254004892238,0.06385658083103005,0.05557449562919564,0.05444191035331427,0.05431370628374413,0.0534069601081635],"twin_dists":[0.17005128974690434,0.17556890271374956,0.19336732212265562,0.20396808658583723,0.24416951580766771,0.24657251320777812,0.25722031060733586,0.2635146767412321,0.27400818263665083,0.2753674247113607,0.2779860647768881,0.281118454899804,0.28136856176212055,0.2855680836160681,0.2859351220579232,0.2870089556446482,0.28986836557663237,0.29428158658840753,0.29448322491480183,0.30055089279039665,0.3046444471215063,0.3122411132384747,0.3133514249597279,0.3134783094125719,0.31438287696677514],"n_dims_used":45,"mean_confidence":0.8900487263997395},"coverage":{"mean_confidence":0.8900487263997395,"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}}