{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000138},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000080","480:4800000139","480:4800000201","480:4800000105","480:4800000203","495:4950000816","480:4800000202","480:4800000170","480:4800000111","480:4800000029","480:4800000085","480:4800000108","480:4800000081","495:4950000572","490:4900007281","480:4800000140","480:4800000065","480:4800000083","480:4800000171","480:4800000084","495:4950000267","480:4800000104","480:4800000134","480:4800000233","495:4950000314"],"twin_admin_codes":[480,480,480,480,480,495,480,480,480,480,480,480,480,495,490,480,480,480,480,480,495,480,480,480,495],"twin_sims":[0.3212368217595492,0.31986765664336797,0.1935272495029249,0.11865513996004778,0.08653573299694847,0.05893793168669782,0.056547446132599447,0.03959569872220662,0.03797302055365569,0.03581607425720146,0.03543877892200588,0.028030914152049446,0.02739279534461756,0.025230295111145995,0.02337101132006595,0.02250618769975195,0.021729568035582153,0.020468738987438992,0.01951087111462382,0.018692408335222416,0.01794947631250839,0.017036869475648694,0.0165139760782744,0.01513065982518551,0.014883094252817914],"twin_dists":[0.1957253479665425,0.19609309610508563,0.2353802263841473,0.26815442861879335,0.2873249801429616,0.30905054784793184,0.3113021423333831,0.33004655630620666,0.3321781843104715,0.33513448906881593,0.33566706883910846,0.34725083061088713,0.34836759550289675,0.3523267598084053,0.3559726245954917,0.3577548284571339,0.3594066771768496,0.362201130917425,0.3644262134228498,0.36640434752663786,0.3682666301779127,0.370648930631006,0.37206482570337196,0.3760099520038373,0.3767492701707541],"n_dims_used":42,"mean_confidence":0.9041771661667597},"coverage":{"mean_confidence":0.9041771661667597,"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}}