{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011631},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011828","490:4900011441","490:4900011081","490:4900012178","490:4900011637","490:4900011964","490:4900011831","490:4900011766","490:4900012177","490:4900012165","490:4900011701","490:4900010999","490:4900012033","490:4900011710","490:4900011294","490:4900011080","490:4900011765","490:4900011827","490:4900011893","490:4900009635","490:4900011838","490:4900011892","490:4900011635","490:4900010662","490:4900010842"],"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":[0.43956370712013365,0.26009245469614906,0.2545385514821431,0.24036275054865489,0.21967548969792602,0.19151643697968676,0.1909677539952566,0.18183458138437242,0.15569018345195024,0.1512518759890762,0.149753841272539,0.13438526728485437,0.12220452550417221,0.12034106374669934,0.11952298799388676,0.11877186597800278,0.11466685297258547,0.11101817216352416,0.10373523085436738,0.1018250989475373,0.09750766417492374,0.09698421559233311,0.0960943715672419,0.09582601910858905,0.094995149226777],"twin_dists":[0.16652042832721642,0.21314600404733725,0.21484733925335464,0.21929998740123569,0.2261162094766187,0.23612750814962635,0.2363323652659453,0.23980457346295672,0.2504852473203508,0.2524252762797044,0.2530895155300339,0.26020602131058973,0.2662939595704876,0.26726549917406,0.26769564477311814,0.2680925728233702,0.2702965031559593,0.2723069661742401,0.27647795327762803,0.27760948291767235,0.2802295584008153,0.28055336560416483,0.2811069919675368,0.2812747414620713,0.28179648077556213],"n_dims_used":45,"mean_confidence":0.8909734090169271},"coverage":{"mean_confidence":0.8909734090169271,"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}}