{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006667},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007165","490:4900006912","490:4900006432","490:4900007285","490:4900007283","490:4900007530","490:4900006430","490:4900006319","490:4900006666","490:4900005811","490:4900007531","490:4900006195","490:4900006920","490:4900004056","490:4900006431","490:4900007408","490:4900002067","491:4910002463","490:4900005036","490:4900006791","490:4900004472","490:4900006435","490:4900005163","490:4900006193","490:4900006670"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.3518872744125673,0.29830275405142936,0.2828227857600283,0.2801547013431321,0.2761363522627572,0.24778661830809207,0.23058552211689104,0.21740055042127623,0.20288321392602196,0.15570644857993304,0.13744923191810296,0.11918444442644653,0.11696098034635911,0.11403433803188189,0.10408780603265963,0.08793796888075887,0.07948162874037919,0.07784234490207903,0.0739611215303431,0.06783538513241276,0.06353298729028242,0.06025970450472518,0.053532444528161215,0.04985308172213192,0.037621322177782905],"twin_dists":[0.1877074484816627,0.2020077607498194,0.20640932092396352,0.2071824421416302,0.20835531337342256,0.21694772644249538,0.2224711267617902,0.2268914186432125,0.23197232374768229,0.25047821262639786,0.25874053212134485,0.26787431014769175,0.2690574932850963,0.2706414591473182,0.2762708732003353,0.2863797889302396,0.29227412209679554,0.2934743714247615,0.2963994006188506,0.3012792131299505,0.3049256054637578,0.30783769485068446,0.31425693860356296,0.3180559619832022,0.3326503367545727],"n_dims_used":45,"mean_confidence":0.8948000590006511},"coverage":{"mean_confidence":0.8948000590006511,"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}}