{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002246},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001244","490:4900002547","490:4900001781","490:4900002245","490:4900003790","490:4900001917","490:4900002396","490:4900001931","490:4900001248","490:4900001121","490:4900003932","490:4900001782","490:4900003799","490:4900001640","490:4900001368","490:4900003385","490:4900001501","490:4900003800","490:4900002073","490:4900001929","490:4900004073","490:4900004363","490:4900003796","490:4900002400","490:4900003118"],"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":[0.29476665605892904,0.2409356190517741,0.2233615634209021,0.19122167870549442,0.1774796857773069,0.1548268997487881,0.14412104653769547,0.10594227685594687,0.1002300410138519,0.08145105088196093,0.07522208698137396,0.06936455544218842,0.06349028901080792,0.0609688930685392,0.056595723976676546,0.05642113693798066,0.05354307450484796,0.05025562111568959,0.05019349215937451,0.04938672767188902,0.04442178055595131,0.04357201201979967,0.04244485147559951,0.041725910152471415,0.04167703221811667],"twin_dists":[0.203001030358509,0.21911681448765677,0.22487147422091844,0.23623750856719347,0.24150363445459505,0.2508593927726157,0.25563190628086524,0.2751905783360439,0.27856714111956976,0.29085814292087314,0.29543579242536433,0.30002857757592394,0.30496279188579106,0.30719593814580376,0.3112558991857462,0.3114232826072864,0.3142462814235467,0.31762918153372555,0.3176948656552506,0.31855400548472507,0.32411558739058494,0.3251192043928923,0.32647613222881217,0.3273575527221831,0.32741794018575826],"n_dims_used":45,"mean_confidence":0.9167189704047309},"coverage":{"mean_confidence":0.9167189704047309,"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}}