{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010243},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010325","490:4900010240","490:4900010584","490:4900010497","490:4900011244","490:4900011443","490:4900009550","490:4900010138","490:4900011307","490:4900010411","490:4900011369","490:4900010052","490:4900010327","490:4900009446","490:4900009843","490:4900007902","490:4900010752","490:4900011370","490:4900011308","490:4900009743","490:4900010413","490:4900009942","490:4900009851","490:4900010498","490:4900011377"],"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":[0.5624715874044434,0.3264541519201726,0.10832470087660537,0.07859444645752818,0.051480754238748,0.042963941056617834,0.040857195157089646,0.03133929966148516,0.03040434657409609,0.03032575486164379,0.029243599918149794,0.024793879351019173,0.02321023384625831,0.021385874713357064,0.02132538023853123,0.02070773024670364,0.020614814527344292,0.020394148429481028,0.018160753434015166,0.017397543515545517,0.01581136558431935,0.015109668336454583,0.013745414503065791,0.013340130977890028,0.011844086052648263],"twin_dists":[0.13932508098549287,0.19433196940755873,0.2738240915129278,0.2929212022980081,0.31634755237679146,0.3258475101334846,0.3284398339621445,0.3417887114503616,0.3432801460105983,0.34340729753322513,0.3451874545399672,0.35316111244950094,0.35629957172096116,0.3601541366018651,0.36028677918870555,0.3616601398021177,0.3618698183653921,0.3623711044428471,0.367730267098383,0.36969434997842165,0.37403068834253556,0.37607222491904435,0.3802928133957315,0.38161793995713805,0.3868396839668049],"n_dims_used":45,"mean_confidence":0.8922298855251736},"coverage":{"mean_confidence":0.8922298855251736,"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}}