{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011669},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011024","490:4900011265","490:4900011988","490:4900011540","490:4900011802","490:4900011254","490:4900011188","490:4900010715","490:4900009883","490:4900010799","490:4900011180","490:4900010798","490:4900010538","490:4900011733","490:4900011603","490:4900004793","490:4900010788","490:4900004659","490:4900009378","490:4900011602","490:4900011043","490:4900011606","490:4900008833","490:4900011401","490:4900010867"],"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":[0.5257545899842607,0.38964609992676297,0.31609128514153667,0.2888566104537408,0.2830810343096946,0.27652083667430255,0.26059818922266365,0.25360652933770617,0.2463247130798924,0.2364812284023002,0.23316470600532974,0.2173067741845817,0.19890877569164486,0.1865860147852039,0.18610379376458483,0.1795706815167104,0.15435948123878274,0.15380003372077752,0.15145856101208216,0.14508053389206377,0.1405369855700992,0.12637298461766447,0.12238768047531252,0.12151081280280329,0.12137646264398633],"twin_dists":[0.14727110991647838,0.17831312000021127,0.19711201418433894,0.20467698965679285,0.20633472378631518,0.20824264201449352,0.21299222394187836,0.2151351426491513,0.21740730367034797,0.22054863476701475,0.22162617445030505,0.22692349054940436,0.23340645780310226,0.23798329062819346,0.23816663299269558,0.24068418895719346,0.2510626085075541,0.25130642836113604,0.2523340111143449,0.25519370342023545,0.2572881829004047,0.26416084726634576,0.2661990806082935,0.26665430630161363,0.26672427528705517],"n_dims_used":45,"mean_confidence":0.9117943657769098},"coverage":{"mean_confidence":0.9117943657769098,"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}}