{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001310},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001937","491:4910001047","491:4910003326","491:4910002972","491:4910001988","491:4910002916","492:4920000784","491:4910003338","491:4910003282","492:4920004435","491:4910000797","492:4920003006","491:4910002367","492:4920005038","492:4920004635","491:4910001612","491:4910002796","491:4910002498","491:4910001437","491:4910001843","491:4910001229","492:4920000515","492:4920003935","491:4910001724","491:4910001434"],"twin_admin_codes":[491,491,491,491,491,491,492,491,491,492,491,492,491,492,492,491,491,491,491,491,491,492,492,491,491],"twin_sims":[0.14586228199127502,0.1213129736629059,0.08754087718104306,0.082567316186823,0.07002090358238965,0.06214907872962062,0.04469671469379659,0.04266456046953076,0.04074812807423339,0.039265385862362515,0.03786294651321623,0.0369261422378867,0.036375926088556006,0.030669219840871578,0.02893663985428375,0.0257312045387283,0.025316914465365912,0.025000200447969495,0.024780773469095786,0.0245482118344724,0.024039114488008752,0.02386087897816378,0.023422333259280916,0.023040993525861708,0.022947914888228275],"twin_dists":[0.25483825995766557,0.26675736063478905,0.2866462293582819,0.29006770342561417,0.29949864724972997,0.306141428775693,0.3237943284237815,0.3262092774469643,0.32857708214366627,0.33047440120473376,0.33232555809502157,0.33359472511381266,0.3343529368635118,0.3428536780358264,0.34570269396049225,0.35138434028424814,0.3521626436284613,0.3527650927478671,0.3531863644544026,0.3536363890692565,0.35463455325958226,0.3549883394273922,0.3558686700103203,0.356645856904577,0.35683724789934756],"n_dims_used":45,"mean_confidence":0.8977644178602431},"coverage":{"mean_confidence":0.8977644178602431,"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}}