{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001660","490:4900002267","490:4900008966","490:4900007974","490:4900003960","490:4900003278","490:4900005494","490:4900005352","490:4900008859","490:4900001969","490:4900005610","490:4900009694","490:4900008505","466:4660004082","490:4900003673","494:4940007667","490:4900008488","490:4900010791","490:4900005627","494:4940007876","490:4900003817","490:4900012713","490:4900000873","466:4660006713","490:4900007966"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,494,490,490,490,494,490,490,490,466,490],"twin_sims":[0.1919446733858138,0.15352100296455182,0.06892427663521633,0.05941855093310932,0.05658896209808644,0.05464324940101754,0.049590384691452084,0.0481826660134601,0.036711084517397095,0.03313113850419009,0.03034974201871845,0.02969640606168177,0.02928045693415142,0.026881159186830636,0.026781047921495656,0.026541652248452122,0.025421595049259112,0.025161448675316382,0.024501272661550614,0.024078317860827054,0.022778343464826233,0.02208103781904364,0.022056199799994944,0.01866228733630141,0.017765390105793127],"twin_dists":[0.23596790540956022,0.25142827925533495,0.30038634298420114,0.3086069683672359,0.31126237411873336,0.31315265689467653,0.3183360296009545,0.3198582638390521,0.33388993115816934,0.33903369605424705,0.34336845941427996,0.3444358204790456,0.3451259018251711,0.3492793011494507,0.3494594401644533,0.3498925708339656,0.35196495332645594,0.3524575495860953,0.3537276670058415,0.35455704192975684,0.3571876634011683,0.3586528613003634,0.3587057890216711,0.36647858058274013,0.3687384902644929],"n_dims_used":45,"mean_confidence":0.9220163981119792},"coverage":{"mean_confidence":0.9220163981119792,"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}}