{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000657},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000890","490:4900000767","490:4900000666","490:4900000559","490:4900003571","490:4900001034","490:4900000267","490:4900004307","490:4900000938","490:4900007119","490:4900000660","490:4900000923","490:4900001742","490:4900000227","490:4900000898","490:4900001318","490:4900000935","480:4800003970","490:4900000664","490:4900000279","480:4800004630","490:4900004042","490:4900006751","490:4900001534","490:4900007605"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,480,490,490,480,490,490,490,490],"twin_sims":[0.7268443765287238,0.6739783879178375,0.5854820378002104,0.5810939398942558,0.5151296001484578,0.5019344678478961,0.4306247676151273,0.4127294958319335,0.4070118796801223,0.38296010906795125,0.36209385372481967,0.35588425120710415,0.3402364450407555,0.33782841923642065,0.3339020526877481,0.3237695444133578,0.3230785600587472,0.3192653381722755,0.31522942161447365,0.31094870158493454,0.3097262850121861,0.3094795424017837,0.304153286882933,0.298270473401312,0.29614350266737455],"twin_dists":[0.10374409276736857,0.11537025409378088,0.13438335742022728,0.1353243358690726,0.14959114152838712,0.15248898772244038,0.16858870846985632,0.17278314303159545,0.17413964378658947,0.17994291355632536,0.18512029298687763,0.1866897520587817,0.19070904122082938,0.19133621024279426,0.1923640285558377,0.19504737979903353,0.19523205053953813,0.1962551543142052,0.19734551917496507,0.19851070690705971,0.19884512028633416,0.19891271272035557,0.20037941259950087,0.20201679679583273,0.20261345235699724],"n_dims_used":45,"mean_confidence":0.9182599385579427},"coverage":{"mean_confidence":0.9182599385579427,"n_dims_used":45,"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}}