{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000693},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000694","491:4910000692","491:4910000328","491:4910000567","491:4910000626","491:4910000754","491:4910000503","491:4910000456","491:4910000878","491:4910000108","491:4910000817","491:4910000468","491:4910000182","491:4910000452","491:4910000629","491:4910000508","491:4910000755","491:4910000691","491:4910000818","491:4910000561","491:4910000509","491:4910000156","491:4910000505","491:4910000069","491:4910000695"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.8763062419594794,0.73962708593457,0.547741929615891,0.49452987383434716,0.49253223165428067,0.4776250793575547,0.4552696654885214,0.450182677784419,0.4135965778565661,0.39556908741010105,0.3899635187928187,0.3816765693525702,0.37864620326417914,0.37473569550610486,0.3699866331767944,0.36848369809863607,0.3502394255872928,0.34672113729823284,0.34230990638854814,0.3339648891859306,0.33027196652566654,0.3298536113359869,0.32385014280767094,0.3040008723804538,0.29184705553069235],"twin_dists":[0.06674074329750296,0.10086978749276364,0.14250149692619177,0.15412416328657852,0.15456650510180964,0.1578847778630629,0.16292549853174718,0.16408466575386546,0.1725781482007489,0.17688026191244313,0.17823607511822315,0.18025733942004418,0.18100170854162534,0.18196656096837022,0.183144984749697,0.1835194802721718,0.18812876814810245,0.18903181087065732,0.19017091432823507,0.1923475281555824,0.19332015477850617,0.1934307140183051,0.19502585357366262,0.20042160084777721,0.20382644509339298],"n_dims_used":45,"mean_confidence":0.8912372165256076},"coverage":{"mean_confidence":0.8912372165256076,"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}}