{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012850},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002729","466:4660007142","490:4900012428","494:4940008004","490:4900004419","490:4900004421","490:4900003992","490:4900003175","490:4900005630","490:4900012574","490:4900006392","490:4900003983","490:4900005092","490:4900005227","490:4900004686","490:4900004549","466:4660006588","490:4900004950","490:4900003038","490:4900012778","466:4660006595","490:4900002126","490:4900002883","490:4900004961","466:4660004610"],"twin_admin_codes":[490,466,490,494,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,466,490,490,490,466],"twin_sims":[0.34430907532588795,0.31202357383351137,0.310456277256585,0.3054604163924424,0.29357329448842834,0.2795733774530481,0.2791806716344456,0.26811109931202315,0.2615718791757879,0.25882730617758215,0.2572193823528981,0.2555768794146984,0.253718996229864,0.25248083473553634,0.24159483734905904,0.23969622674267857,0.22950632411473068,0.22370922336749127,0.22018584985608633,0.21967245740570163,0.2191272534887801,0.21697584478005638,0.21377431979250078,0.2102699820919363,0.20905003361535343],"twin_dists":[0.18965371318043875,0.19821727765309444,0.19864532746355776,0.20001810185648333,0.20333782380811638,0.2073514818907355,0.20746579540370777,0.2107294168924935,0.21269667829034755,0.21353152685204682,0.21402321963256507,0.21452749557432788,0.21510037787535927,0.21548364885147134,0.21890638075068378,0.21951346342315145,0.22282652450980736,0.22475478399741716,0.22594303914425476,0.22611723916889093,0.2263025321487758,0.22703674437089402,0.22813845751534645,0.2293572374009465,0.2297847587299921],"n_dims_used":45,"mean_confidence":0.9157107883029514},"coverage":{"mean_confidence":0.9157107883029514,"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}}