{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011785},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011405","490:4900012077","490:4900011343","490:4900011720","490:4900011345","490:4900011347","490:4900011673","490:4900011463","490:4900011657","490:4900012076","490:4900011734","490:4900011535","490:4900008614","490:4900011544","490:4900011854","490:4900011738","490:4900011471","490:4900011276","490:4900011803","490:4900010865","490:4900011721","490:4900011480","490:4900011275","490:4900011547","490:4900009587"],"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":[0.4500972290036183,0.2699340250747493,0.2420954805119427,0.23357250018585413,0.22446480677958394,0.20981946595197443,0.16935346954382768,0.1678282028428113,0.14496036156375072,0.1372772170810783,0.13442097708432701,0.1276682866296932,0.1257832497549767,0.1174601297699241,0.11621710323195458,0.11238150501279495,0.11065658900369273,0.10923461153793372,0.10915996925263707,0.1038416369446409,0.10207990105843374,0.09354450875844275,0.08831674942992533,0.08575277717191365,0.08314640374232524],"twin_dists":[0.16410417822097279,0.21018633609384818,0.21874681538579796,0.2214931425751014,0.22450159223433674,0.22951492034650198,0.24475516222944427,0.24537786171848097,0.25524846883719937,0.25882215468236336,0.2601887977562235,0.2635088946706959,0.26445935240587715,0.2687903878448591,0.269457184939879,0.2715498756046674,0.27250896563785915,0.27330834199371296,0.2733505246936611,0.27641539945063726,0.2774575899768875,0.2827160823709239,0.2861265240391597,0.28785805175026546,0.28966100695057384],"n_dims_used":45,"mean_confidence":0.9151333279079861},"coverage":{"mean_confidence":0.9151333279079861,"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}}