{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003618},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004324","490:4900002185","490:4900003221","490:4900002027","490:4900000793","490:4900000671","490:4900003078","490:4900001293","490:4900001168","494:4940007499","490:4900004734","490:4900001589","494:4940008135","490:4900002489","490:4900001294","494:4940008524","490:4900002172","490:4900007385","496:4960007285","490:4900001045","490:4900000940","487:4870001869","490:4900002026","487:4870001962","490:4900001730"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,490,494,490,490,494,490,490,496,490,490,487,490,487,490],"twin_sims":[0.6158037742946326,0.5990963747304765,0.592372073964074,0.5601742260910464,0.47795096116677455,0.4234400969893483,0.4201562007490934,0.41904140836679116,0.3948999181375195,0.3825886885349751,0.3823816408758175,0.37973730546485224,0.37647809290880796,0.37599572768136436,0.36604475748443355,0.36485207620696614,0.36442818786489634,0.36342015999680594,0.35880602124134225,0.3556424033709018,0.35441746678877084,0.35006024441258177,0.3495116716710851,0.34871410566590094,0.3467734426596749],"twin_dists":[0.1278887093411603,0.13146644666117063,0.13290676810537852,0.1398196937605747,0.157811893801894,0.17026374123311797,0.17103328289536357,0.171295098053786,0.17704164257335192,0.18003384755370797,0.18008455691156536,0.18073336328879752,0.18153604963146522,0.18165513462647553,0.1841288337606217,0.18442755936011138,0.18453384725437041,0.18478685623998162,0.18594955116775802,0.18675116173894798,0.1870625279978111,0.1881746433507064,0.1883151692588367,0.188519685387704,0.1890183503644349],"n_dims_used":45,"mean_confidence":0.9175096299913195},"coverage":{"mean_confidence":0.9175096299913195,"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}}