{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011915},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011782","490:4900011849","490:4900012051","490:4900011975","490:4900010772","490:4900012113","490:4900012167","490:4900011780","490:4900010855","490:4900011712","490:4900011913","490:4900012052","490:4900011842","490:4900012180","490:4900011647","490:4900011983","490:4900011784","490:4900011970","490:4900011911","490:4900011654","490:4900011083","490:4900011172","490:4900012041","490:4900009006","490:4900011972"],"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":[0.37530504210430154,0.32167213168914954,0.2322104054246134,0.1838846310624162,0.14951493806635038,0.13324584201548284,0.1069867145191015,0.10444384010615546,0.10374322700324576,0.09145511027989874,0.09077492079345195,0.08905501667145958,0.08843419161306612,0.08618021616130893,0.08600325276381986,0.07768171337292759,0.07750049403585066,0.0767953180808447,0.0748733525051326,0.06757602008363915,0.06599084834299754,0.06338788258407005,0.05721573821984723,0.05348024758282459,0.05303772731013481],"twin_dists":[0.1818257793043449,0.19560861075549335,0.22193808766832165,0.23901470055519505,0.25319589869972703,0.26075740298334943,0.274588614231165,0.27606231534250864,0.27647325077836726,0.2840605941767281,0.2845035293960207,0.2856353627877203,0.28604817359193213,0.2875665540991858,0.2876870966694466,0.29359307206315666,0.29372722354813213,0.29425165935379066,0.2957009767683601,0.3014936062085824,0.30281869267842654,0.305052062324383,0.310664892263898,0.314309294604821,0.3147548744143878],"n_dims_used":45,"mean_confidence":0.8905429416232639},"coverage":{"mean_confidence":0.8905429416232639,"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}}