{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001203},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000879","480:4800001027","480:4800000880","480:4800001073","480:4800000788","480:4800000989","480:4800000871","480:4800000870","480:4800000828","480:4800000784","480:4800001143","480:4800000787","480:4800000786","480:4800001132","480:4800001029","480:4800000829","480:4800001028","480:4800000790","480:4800000969","480:4800000789","480:4800001074","480:4800000881","480:4800000831","480:4800000362","480:4800000826"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7780460295162142,0.747358432673238,0.7422578663086921,0.699530085316822,0.6582602879630306,0.6568859402231758,0.6068297587944897,0.5805251952006447,0.5745965724044523,0.5634994408569701,0.5615621804918377,0.5384587312189475,0.5330061507734772,0.5182074281253407,0.4934394441887479,0.48061270879470197,0.4757047065137106,0.4741566059063099,0.4730759654314078,0.4661001835513497,0.44438399944969503,0.4274583548070439,0.41538767437263446,0.40781839934394604,0.40659091004980513],"twin_dists":[0.09201304367364999,0.09911565812714689,0.10027430229720587,0.10979526109514948,0.11877017979067647,0.11906662972614725,0.12981044215838114,0.13544633583130694,0.136718681880389,0.13910387473794422,0.1395208402725468,0.14451061565433407,0.14569374340627328,0.14891792651865463,0.1543655544453134,0.1572171854101681,0.15831460086431545,0.15866151381433843,0.15890389521344128,0.16047302180977263,0.165411996176947,0.1693254944992223,0.17215528717332657,0.17394779136736657,0.17423984972877804],"n_dims_used":42,"mean_confidence":0.9124900272914341},"coverage":{"mean_confidence":0.9124900272914341,"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}}