{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001208},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001887","490:4900001746","490:4900001757","490:4900001217","490:4900004464","470:4700005096","490:4900000832","490:4900000017","490:4900003080","490:4900004326","480:4800003878","490:4900000162","490:4900000504","490:4900001896","490:4900000350","490:4900000246","490:4900005401","490:4900000625","490:4900000177","490:4900001759","496:4960011897","490:4900002040","490:4900000626","490:4900002039","466:4660000208"],"twin_admin_codes":[490,490,490,490,490,470,490,490,490,490,480,490,490,490,490,490,490,490,490,490,496,490,490,490,466],"twin_sims":[0.5430786062681857,0.4442786526350041,0.42285546333537843,0.3857045683931147,0.38078378053950307,0.3583002003470902,0.3517283790467609,0.3489061213277854,0.34564626299359663,0.3423780303507482,0.34050240776845475,0.33887067439891055,0.33094204406966643,0.3263109568954921,0.325621884052181,0.3128265088532288,0.31231072765791557,0.305830440226439,0.30578096752348266,0.3024138233543868,0.29686072412221065,0.2954383559491322,0.2920755148223994,0.28456851152318013,0.2822701801572756],"twin_dists":[0.1435099811098324,0.16543617100716856,0.17040055911958554,0.17927229635944628,0.18047634373000937,0.186077473550813,0.18774802969090454,0.18847042528349392,0.18930866200034752,0.19015326366728258,0.19063991777488806,0.19106446131397428,0.19314323251268117,0.1943700463347584,0.19455340692046386,0.1979984607997947,0.19813898529067353,0.19991598413515738,0.19992963327885074,0.20086162680124475,0.2024119773927259,0.202811815836712,0.2037616801863271,0.20590585151398752,0.2065690837970867],"n_dims_used":45,"mean_confidence":0.9164646572536892},"coverage":{"mean_confidence":0.9164646572536892,"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}}