{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000520},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001166","495:4950001167","495:4950001061","480:4800000361","495:4950001278","480:4800000903","480:4800001174","480:4800000672","480:4800001172","480:4800001186","480:4800000328","495:4950001626","480:4800000596","480:4800001173","495:4950001221","480:4800001020","495:4950001388","495:4950001389","480:4800001116","480:4800001022","495:4950000959","480:4800000746","495:4950001063","480:4800000599","480:4800000637"],"twin_admin_codes":[495,495,495,480,495,480,480,480,480,480,480,495,480,480,495,480,495,495,480,480,495,480,495,480,480],"twin_sims":[0.48402261967992816,0.48015431946413306,0.4275073786832599,0.4260039390655575,0.42337026670214023,0.4104580471564626,0.4088761299032681,0.39642242150047774,0.37582154690984115,0.37294827192049396,0.35370587227981753,0.3390948259808173,0.322509867363326,0.3222012028385408,0.3174514020790241,0.31308231593845,0.30264136363326044,0.3020408621463058,0.28782581702694787,0.2760439726813016,0.2693894671367551,0.2656555127277228,0.26194181169939784,0.26004526921879517,0.24005080775720658],"twin_dists":[0.1564568402237724,0.15731952714702704,0.16931407021695274,0.16966467059225349,0.17028007898682368,0.17332104863097963,0.17369643591536074,0.1766746493963701,0.18169815424008934,0.18240921907817076,0.18724366388309074,0.19100607670671627,0.19538420314676014,0.1954668484205759,0.19674424870481536,0.19792881518439556,0.20079845659023304,0.200965228933584,0.20497138560735495,0.20838239906609546,0.21034833078549514,0.21146461183093607,0.21258457303037745,0.2131603614495619,0.2193998493347068],"n_dims_used":42,"mean_confidence":0.9000029790969122},"coverage":{"mean_confidence":0.9000029790969122,"n_dims_used":42,"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}}