{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001122},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000611","487:4870001388","487:4870001309","487:4870001498","487:4870001106","487:4870001590","487:4870001125","487:4870001692","487:4870001112","487:4870001494","487:4870001217","487:4870001771","487:4870001392","487:4870001684","487:4870001592","487:4870001589","487:4870001129","487:4870000936","487:4870000765","487:4870001769","487:4870000539","487:4870002380","487:4870001485","487:4870001308","487:4870001027"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.8233631252750708,0.7404956904976543,0.6984087798635347,0.6905696751362392,0.6815079590093228,0.6241472887207579,0.6229294223327594,0.6111197495504334,0.6082850137748179,0.5880666158544671,0.5578116473797541,0.5501313830178681,0.545726335853734,0.5413996950389929,0.534313720849338,0.5166889876624084,0.5162221842020697,0.5140345603311217,0.5088696794229935,0.4865729493393478,0.48104672739211213,0.47549811869170616,0.4636290259493581,0.4578001700691179,0.4445259161096718],"twin_dists":[0.08097295777007407,0.10067333202441496,0.1100414357523582,0.11175824614263709,0.11373436674958357,0.12610122515514702,0.12636221031280664,0.128891821256042,0.12949883197981218,0.13382934743453193,0.14032863806628737,0.141985327175806,0.1429372015263152,0.14387343823714605,0.1454098006552197,0.14924993413855028,0.1493520483336419,0.14983089744929934,0.15096347253664164,0.15588925560407793,0.15712031334425078,0.15836087356483136,0.16103080641849954,0.1623506416697432,0.16537943282749618],"n_dims_used":43,"mean_confidence":0.9120192416878634},"coverage":{"mean_confidence":0.9120192416878634,"n_dims_used":43,"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}}