{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001747},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002140","480:4800002136","480:4800001749","480:4800001635","480:4800001975","480:4800002030","480:4800001306","480:4800002365","480:4800002415","480:4800001808","480:4800001748","480:4800002028","480:4800002414","480:4800001751","480:4800002427","480:4800001291","480:4800002512","480:4800001861","480:4800002363","480:4800002364","480:4800001930","480:4800002282","480:4800002314","480:4800002328","480:4800001974"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8208717925524164,0.7741788269578245,0.7490871610183468,0.7048804973308846,0.683128968174342,0.6722235008357702,0.6602514260070917,0.6573017936083331,0.6164649090836909,0.5994153387890303,0.5656006644728067,0.5641190913294308,0.5494669630052057,0.534839318046465,0.5221654436474561,0.5124358179027712,0.5040206960136406,0.4987935300707496,0.497746298377547,0.47272148489839516,0.4643228167444199,0.45806684598452935,0.4579424520673293,0.4538417145672939,0.45004066973998075],"twin_dists":[0.08160177269155733,0.09292197633638015,0.09872168606596977,0.10861840568544759,0.11338148533058758,0.11575080030377803,0.11834047091000412,0.11897694178135092,0.12774710693834765,0.131398138108863,0.1386518262420123,0.1389705436969081,0.1421288177942879,0.14529570538876355,0.14805358881560587,0.15018116620217936,0.15202949585642647,0.15318177275260472,0.1534130277754667,0.15898344311452775,0.16087410127133828,0.16229012764856776,0.16231835350223794,0.16325040051278233,0.16411709444765482],"n_dims_used":42,"mean_confidence":0.9107267288934617},"coverage":{"mean_confidence":0.9107267288934617,"n_dims_used":42,"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}}