{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001040},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000557","490:4900002324","490:4900002792","490:4900000573","494:4940007906","490:4900004291","490:4900000779","490:4900002923","494:4940008218","490:4900000658","496:4960007783","490:4900002337","490:4900001033","480:4800004039","490:4900001036","490:4900000801","494:4940008603","494:4940008221","490:4900000584","490:4900000780","490:4900000900","496:4960008365","490:4900001026","490:4900002475","494:4940008423"],"twin_admin_codes":[490,490,490,490,494,490,490,490,494,490,496,490,490,480,490,490,494,494,490,490,490,496,490,490,494],"twin_sims":[0.5178992485354703,0.48618803360590035,0.4591379432878296,0.4315666398834163,0.4103007720313867,0.38173326274829117,0.35411240079120887,0.3521226024052415,0.34966771217850773,0.3464066291932487,0.3449275579277203,0.340047923875902,0.33870692187071827,0.33255058213652217,0.3191086632867869,0.3069770666512587,0.3047976689056756,0.2957366654971524,0.2901845408761392,0.2865883897609763,0.2834971018276461,0.28061114828973466,0.275737177366068,0.27067261512078944,0.2653868719886902],"twin_dists":[0.1489852911446403,0.15597486113382972,0.16204720189616342,0.168369972842485,0.17335834135836445,0.1802434406555245,0.1871401592247887,0.18764736424482273,0.18827518516681355,0.18911277047495423,0.18949403026269065,0.1907580552306402,0.19110712695458415,0.1927193249755269,0.19629733699230145,0.19959999517809168,0.20020118332605077,0.20272786491981498,0.20429865433335648,0.20532563123994965,0.20621462576404573,0.2070498638062581,0.20847239125084877,0.2099669433444488,0.21154529814326525],"n_dims_used":45,"mean_confidence":0.909137471516927},"coverage":{"mean_confidence":0.909137471516927,"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}}