{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001885","491:4910001989","491:4910001718","491:4910002240","491:4910001359","491:4910001095","491:4910001482","491:4910002102","491:4910002086","491:4910002474","491:4910002290","491:4910002192","491:4910001298","491:4910001483","491:4910000969","491:4910001234","491:4910002232","491:4910002105","491:4910001541","491:4910001841","491:4910002103","491:4910002050","491:4910001599","491:4910002187","491:4910001726"],"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":[0.5236582833620811,0.4548716372984091,0.44231371995448027,0.44139966764488364,0.3505291938983634,0.3243193272736381,0.320198977567508,0.31897066278161684,0.31585094686911475,0.3093144506247575,0.3017688492871834,0.3012222651424484,0.29745388299445474,0.2841225696288874,0.28131715683532327,0.2788740240639064,0.2767560628645384,0.268068616356967,0.2677082707016611,0.264836922636299,0.26419923028388,0.25213765591874493,0.24106445427504541,0.23815794028317488,0.2354568204649856],"twin_dists":[0.14772798344842966,0.16301602446884575,0.16588748586752478,0.16609769363422636,0.18805460564920315,0.19490060288855665,0.19600402481462026,0.19633450148246548,0.19717709282617704,0.19895795506712688,0.2010408363588676,0.2011928825150205,0.20224556915937217,0.2060342841871688,0.20684505583032078,0.2075551260546061,0.20817375727473034,0.21074210052912687,0.21084973487428005,0.21171063446312655,0.21190261809917618,0.21559009096651535,0.21907565875944168,0.22000762765026688,0.22088040346553495],"n_dims_used":45,"mean_confidence":0.8981860690646701},"coverage":{"mean_confidence":0.8981860690646701,"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}}