{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011902},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011771","490:4900011837","490:4900011704","490:4900011442","490:4900011776","490:4900011501","490:4900011764","490:4900011375","490:4900011773","490:4900010844","490:4900010925","490:4900011636","490:4900011565","490:4900011376","490:4900010924","490:4900011703","490:4900011706","490:4900011705","490:4900011843","490:4900011084","490:4900011165","490:4900011374","490:4900011644","490:4900011690","490:4900011833"],"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":[0.47882267066844025,0.2819916199047985,0.24586152933973224,0.21330239765257927,0.20086959551812916,0.2004725129760364,0.1851710583757365,0.16677187579934208,0.15338343901698015,0.15016551939768383,0.14024146717525648,0.13910918421430893,0.13504169543114047,0.12062013945849225,0.10918080125485907,0.10830513253588023,0.10742939250205472,0.10460314836546626,0.1010412020455137,0.09727430725064759,0.09466664091105792,0.09139176934224202,0.08879716320745913,0.07455043445464091,0.0701657559491504],"twin_dists":[0.15761701307322554,0.20664968957471572,0.21755327976626296,0.22830179594612185,0.2326964751696905,0.23283986564430184,0.23852221234018722,0.2458115049075798,0.2514884122895956,0.2529064889527501,0.2574261458046975,0.25795676789855987,0.2598899601111539,0.26711927178595507,0.27333874962885174,0.27383521991849136,0.2743348519793857,0.27596917490105183,0.27807865024497114,0.280373744759405,0.28200375695042523,0.2841017311375775,0.28580654147085155,0.2959474202017041,0.2993822383204668],"n_dims_used":45,"mean_confidence":0.8898891872829862},"coverage":{"mean_confidence":0.8898891872829862,"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}}