{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001147},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001355","491:4910001708","491:4910001146","491:4910000959","492:4920005270","491:4910001017","492:4920004463","491:4910002169","492:4920006790","492:4920007032","491:4910001931","492:4920006870","491:4910002218","492:4920004710","492:4920004231","492:4920005615","492:4920004616","491:4910001409","491:4910000490","492:4920005753","492:4920006676","492:4920004639","492:4920006311","492:4920004456","491:4910001288"],"twin_admin_codes":[491,491,491,491,492,491,492,491,492,492,491,492,491,492,492,492,492,491,491,492,492,492,492,492,491],"twin_sims":[0.692430566628767,0.4690466699753531,0.39869460296209247,0.3714783866251395,0.3198734849267925,0.3107592838817558,0.30995624674223554,0.2985519596034359,0.2864800171653941,0.2742176040735936,0.2701571742360628,0.2625875677301329,0.2602255563917497,0.2545517627692299,0.2530707074155592,0.24504049661364397,0.2378199950056574,0.2344250970154418,0.23371425066875653,0.23196024167260648,0.22993123085215894,0.2297848727469653,0.22633095552094729,0.22471433123679138,0.2208170183432717],"twin_dists":[0.11135134538455245,0.15980927750050336,0.1761281511134523,0.18277402252801517,0.19609152880014757,0.198562476083996,0.19878215258315005,0.20193802207092976,0.20535669933887235,0.20891903363804099,0.2101200122150499,0.21238911905444469,0.21310551323556773,0.2148432644925267,0.21530090591485468,0.21781247050040223,0.2201164685620919,0.22121549731968698,0.22144693599798224,0.22201999305574918,0.2226864643677755,0.22273468844452918,0.22387867534811176,0.2244181025899194,0.22572924863188598],"n_dims_used":45,"mean_confidence":0.8988864474826389},"coverage":{"mean_confidence":0.8988864474826389,"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}}