{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001510","480:4800001388","480:4800001661","480:4800001269","480:4800002302","480:4800001323","480:4800002539","480:4800001966","480:4800002019","480:4800001450","480:4800001838","480:4800002126","480:4800001563","480:4800002061","480:4800002155","470:4700005356","480:4800002248","470:4700005800","480:4800001387","480:4800002201","480:4800001907","480:4800002337","480:4800001379","480:4800002246","480:4800001521"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,470,480,480,480,480,480,480,480],"twin_sims":[0.7482975110436345,0.4580935044130879,0.40004350096648733,0.36191935865172126,0.31414128553940823,0.30695757527873163,0.30084373035249157,0.29325977623106336,0.2892686127078204,0.28475036071141624,0.2724519346487853,0.2673386079872918,0.2584880032639482,0.24503286594414667,0.22248258917391034,0.21622894623418915,0.21292860574158962,0.21262718868484137,0.2121326149532743,0.20587686206657085,0.2047704812750308,0.20104848255537647,0.19632341226119016,0.19098340218746107,0.18906262553552164],"twin_dists":[0.09890172671570754,0.16228407902256192,0.17580439097353154,0.18516420757722102,0.1976408458632786,0.19960536094257547,0.20129827583795004,0.20342644002181354,0.20455949690269734,0.20585351316730952,0.20943992198919964,0.21096024567216173,0.2136351227753101,0.2178148820382867,0.22516703829309934,0.22729278301211953,0.22843134377321148,0.22853592024446354,0.22870773000447048,0.23090478899007344,0.23129807790804074,0.23263194103841908,0.23435000445276577,0.23632651714692268,0.2370468748571783],"n_dims_used":43,"mean_confidence":0.920724913131359},"coverage":{"mean_confidence":0.920724913131359,"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}}