{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011372},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011168","490:4900011438","490:4900012187","490:4900011699","490:4900011837","490:4900011442","490:4900011436","490:4900011375","490:4900011369","490:4900011305","490:4900010934","490:4900011437","490:4900011573","490:4900010665","490:4900010769","490:4900008450","490:4900011374","490:4900011633","490:4900011639","490:4900010843","490:4900011703","490:4900011634","490:4900010851","490:4900011232","490:4900010506"],"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":[0.29385313850553596,0.1395190214591215,0.11653751435735282,0.10620374586190554,0.10478924185570081,0.09484140348966388,0.0922947780351636,0.07446933891122191,0.073178974503606,0.06769680887275455,0.0604912023961793,0.059474139875540497,0.04678115174128218,0.04245383297616614,0.0396939569682499,0.03870567739926076,0.03816991060223091,0.036638064303712865,0.033506746849395336,0.03161566940267303,0.030005977801245236,0.027181480647550157,0.02668931897005296,0.025892878317566186,0.025785055455567748],"twin_dists":[0.20325877296275666,0.2577643349478753,0.2692847852701725,0.2750394489430271,0.27586051406992496,0.28189341804233314,0.2835173869242493,0.2960094457702755,0.2970037933855526,0.3013936780855714,0.3076275293942984,0.3085558542088754,0.3214111444029207,0.32646520068588164,0.3299198674134787,0.331206374174639,0.3319154761931779,0.3339904985368421,0.3384723726905857,0.3413551418886911,0.3439275868065314,0.3487423529692378,0.3496250063848785,0.35108354579966794,0.35128396974679305],"n_dims_used":45,"mean_confidence":0.8867724948459201},"coverage":{"mean_confidence":0.8867724948459201,"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}}