{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004753},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004894","490:4900003509","490:4900006793","490:4900004893","490:4900004612","490:4900004896","490:4900003510","490:4900004480","490:4900004619","490:4900004752","490:4900004203","490:4900005942","490:4900006070","490:4900004613","490:4900006551","490:4900010573","490:4900002393","490:4900010655","490:4900005046","490:4900004748","490:4900006436","490:4900006071","490:4900004060","490:4900004202","490:4900004204"],"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":[0.30921045934437674,0.17016589781389757,0.08769297496222582,0.08699658215217441,0.0841661625983855,0.04854671839708934,0.03673221173520373,0.029607949998683412,0.029390995351187547,0.024442749183669267,0.024177327085162743,0.02141550044431516,0.01915043969783049,0.018670565562972787,0.008016547558287327,0.005612684025131118,0.004871536445633587,0.004564507883402765,0.004311501186711059,0.004217422819355098,0.0038779348188239283,0.0037049116978306066,0.00318549820955783,0.0028383664510940113,0.002768274147903703],"twin_dists":[0.19898646032695716,0.24442512720055365,0.2865440616062893,0.28701300528264895,0.28895029261475713,0.31946107471525903,0.3338608652812607,0.3445818762227578,0.34494169616773435,0.35384168393802756,0.3543617702214624,0.36008929708095105,0.3652882255797364,0.3664581684996274,0.40350008968791884,0.41813640262468543,0.42381075634504145,0.4263937682788314,0.4286436232289303,0.42951089524226627,0.432794039638986,0.43456926667162604,0.44039312917211565,0.4447903164821504,0.4457375355174307],"n_dims_used":45,"mean_confidence":0.9010208129882813},"coverage":{"mean_confidence":0.9010208129882813,"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}}