{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010216},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008325","490:4900010994","490:4900010491","490:4900010133","490:4900010913","490:4900011368","490:4900009940","490:4900011498","490:4900011499","490:4900011886","490:4900011072","490:4900010992","490:4900007887","490:4900008217","490:4900011582","490:4900008212","490:4900011083","490:4900011152","490:4900011952","490:4900010987","490:4900010993","490:4900011691","490:4900011432","490:4900011953","490:4900010908"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.25478278996949355,0.13247666501583116,0.1301083738466382,0.1285418858082358,0.10913191020079392,0.10062815889916091,0.09666306735466013,0.08942533558285885,0.08727127354636778,0.08490505507805568,0.08445116329822419,0.08209433110816948,0.07486797838360565,0.0738795411662095,0.06581390278905565,0.06291874738829033,0.061814598540731784,0.06016110039472273,0.05946628547392441,0.059448623427493255,0.05607111248543582,0.0559265457104457,0.05199839667125695,0.051683982288984874,0.050176157249620316],"twin_dists":[0.21477203039037443,0.26113162443451393,0.2622942220115464,0.26307201674347785,0.27336638752069475,0.27832700487088224,0.28075270928564305,0.28539020921544767,0.2868276758158762,0.28843960793283907,0.28875289265310794,0.29040157897831276,0.2957050711443012,0.2964621986669746,0.3029682117711166,0.3054625361754478,0.30643861032697556,0.30792741421658015,0.30856307396343735,0.3085793117573966,0.31176015774851235,0.3118998008912073,0.3158136516899581,0.3161374115594646,0.3177132045914386],"n_dims_used":45,"mean_confidence":0.8857545640733507},"coverage":{"mean_confidence":0.8857545640733507,"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}}