{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004487},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001928","490:4900003122","490:4900002527","490:4900002977","490:4900002529","490:4900003650","490:4900002984","490:4900003789","490:4900003123","490:4900002084","490:4900004086","490:4900002383","490:4900002981","490:4900003798","490:4900001927","490:4900004218","490:4900002675","490:4900002377","490:4900001773","490:4900004085","490:4900004225","490:4900002549","490:4900003516","490:4900002534","490:4900001112"],"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":[0.5418939632047662,0.5350313915637303,0.36485127040416737,0.3612942262971131,0.31882677180481617,0.31000215002671705,0.30041039834156236,0.29734297773015883,0.2905671827749932,0.2578648579017713,0.22820707478571045,0.22185124115413896,0.19987077877526913,0.17697409003789186,0.15385235320320384,0.14822644198843934,0.11761263774817524,0.10735965893377666,0.10347117780286919,0.10299711998389861,0.10211424306097003,0.10165071247230859,0.09733736107076985,0.07182276621194701,0.07098694940738816],"twin_dists":[0.14376641573676566,0.14525401620269549,0.18442776135206265,0.18532162093863364,0.19637326194909469,0.19876958663563324,0.201419021121634,0.20227666832814972,0.20418982901527863,0.21382560499920325,0.22325585591281522,0.22537981665230514,0.23305753127878373,0.2417028022269273,0.2512835988311046,0.2537718343736658,0.268708951166095,0.27437477237804936,0.276633400638236,0.2769132550464965,0.2774371406310509,0.27771360960858604,0.28033475836389005,0.298064284109934,0.2987259584194257],"n_dims_used":45,"mean_confidence":0.9183951483832465},"coverage":{"mean_confidence":0.9183951483832465,"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}}