{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001675","480:4800002120","480:4800001736","480:4800001897","480:4800002306","480:4800001725","480:4800002450","480:4800002399","480:4800002155","480:4800002011","480:4800002389","480:4800002213","480:4800002021","480:4800002309","480:4800001843","480:4800002019","480:4800002020","480:4800001953","480:4800001960","480:4800001737","480:4800001780","480:4800001968","480:4800001689","480:4800002075","480:4800001958"],"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":[0.6637370903357594,0.6155166327675679,0.5777254086403889,0.5672186850768427,0.4712940643995452,0.42720935691803835,0.42465633757898635,0.42136245068613026,0.4208550150236847,0.40359197180447054,0.38695746721997787,0.38570857214654664,0.38381883509384823,0.37764759547387045,0.3767499188654355,0.37639532811042337,0.37208584308251363,0.348048897611418,0.3449610025193196,0.33874200770733714,0.32257665124750273,0.31047873364365886,0.3068204588002575,0.3042091140796941,0.3013838698768203],"twin_dists":[0.11758758278762013,0.12795020805189547,0.13604705522997804,0.138303872860305,0.15930396769076033,0.1693835280706657,0.16997936525877547,0.17075031946244523,0.17086931252938287,0.17495504764114708,0.1789669017346613,0.17927131969364504,0.17973283527507006,0.1812476347078353,0.1814689748094893,0.1815564770774704,0.18262317464061167,0.1886904496078951,0.18948539970223424,0.19109798442300638,0.19536632749781835,0.19863918560535482,0.1996431131834089,0.20036396273093862,0.20114791134815],"n_dims_used":43,"mean_confidence":0.9196170540743096},"coverage":{"mean_confidence":0.9196170540743096,"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}}