{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003796},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003600","480:4800003594","480:4800003533","480:4800003317","480:4800003464","480:4800003601","494:4940002730","494:4940001957","480:4800003314","480:4800002933","480:4800003779","480:4800003224","480:4800003126","480:4800003660","480:4800003793","470:4700006123","480:4800003540","480:4800003521","480:4800003369","480:4800002973","480:4800003595","480:4800003710","480:4800003592","490:4900001606","480:4800003359"],"twin_admin_codes":[480,480,480,480,480,480,494,494,480,480,480,480,480,480,480,470,480,480,480,480,480,480,480,490,480],"twin_sims":[0.49353859858793897,0.48623678581739177,0.4060078165455105,0.3526819328542464,0.3418120909350186,0.3305122554811341,0.321453604337687,0.309222717910291,0.30159571425875936,0.2964658657581014,0.29646157706188225,0.27904394505443203,0.2715163488111088,0.2669585479262338,0.2649049274533528,0.2596587456103281,0.253905439700521,0.25073534599470393,0.2417093708984371,0.2408858705267823,0.23192599681747228,0.23026628091108556,0.2297378325489619,0.22962116166605193,0.22786943465173704],"twin_dists":[0.15434359796736297,0.1559640174595617,0.17437872320391032,0.18750463917079327,0.19029995338223377,0.19325668806455293,0.19566720225472342,0.19898309982064946,0.20108898084567958,0.2025228617119577,0.20252406654279348,0.20750561835829195,0.2097167702298486,0.21107396374013998,0.2116901779602343,0.21327803298424375,0.21504276767902933,0.2160260010032917,0.2188698576492486,0.21913271021022013,0.22203120958460762,0.22257614367839385,0.2227501921990076,0.2227886542444829,0.2233676921394083],"n_dims_used":43,"mean_confidence":0.9219286719033885},"coverage":{"mean_confidence":0.9219286719033885,"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}}