{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000878},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000319","487:4870001066","487:4870000377","487:4870000323","487:4870000877","487:4870000730","466:4660013291","487:4870000087","487:4870001545","487:4870001258","487:4870000438","487:4870001552","487:4870000802","487:4870001643","487:4870000791","466:4660012955","487:4870000569","487:4870000436","487:4870002330","487:4870000318","466:4660013199","487:4870001160","466:4660011165","487:4870001063","487:4870001901"],"twin_admin_codes":[487,487,487,487,487,487,466,487,487,487,487,487,487,487,487,466,487,487,487,487,466,487,466,487,487],"twin_sims":[0.41286515596281315,0.40055224959332925,0.3738367665523972,0.34741008607737256,0.27721836028357616,0.2594277375300355,0.23628132929829151,0.23291516028015105,0.23156446785169146,0.2002936739369949,0.1908522037552482,0.1879257449046804,0.18718038891820832,0.18618019833797336,0.18352529954406135,0.17390494778628018,0.17037075135630353,0.16930143125520128,0.16884491788400313,0.16791696264736766,0.16727318609063774,0.1539203611447351,0.15131492461126891,0.14840627680532797,0.14339235921209073],"twin_dists":[0.17275105803423765,0.1756824109566161,0.18218905194702792,0.18885459936849516,0.20803848004709943,0.21334841268083943,0.22061330098319024,0.22170765738129397,0.2221496909870692,0.23290451010972008,0.2363755596256137,0.23747565935286113,0.23775776439968724,0.23813756143674178,0.23915269839277628,0.2429205966345842,0.24434208759279497,0.24477634060681233,0.2449623317858276,0.24534151367346074,0.2456054611661087,0.25125393216771175,0.25239742641179747,0.25369123010837047,0.25596614968403353],"n_dims_used":43,"mean_confidence":0.907726199127907},"coverage":{"mean_confidence":0.907726199127907,"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}}