{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002520},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002222","490:4900002371","490:4900002221","490:4900006930","490:4900002670","490:4900002068","490:4900002821","490:4900002820","490:4900006542","490:4900006320","491:4910001562","491:4910001805","491:4910001861","491:4910001915","490:4900006931","491:4910001336","490:4900005699","491:4910001804","490:4900006805","490:4900002819","490:4900002521","490:4900007282","490:4900006789","491:4910001964","490:4900003776"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,491,491,491,491,490,491,490,491,490,490,490,490,490,491,490],"twin_sims":[0.576090776484904,0.5706561330324079,0.4943058310260926,0.3922381803899579,0.3246375492082967,0.2845457296254779,0.2795746741203044,0.24709538789307936,0.23935665371078735,0.2160698108121769,0.17987014246605504,0.16002616106859793,0.15891435113287347,0.1555143329163903,0.15274138153907982,0.1505032550665933,0.14387854524889315,0.14358129593215402,0.14315434051498682,0.13819657433838944,0.12929001589337008,0.12873746747679143,0.1257951958047014,0.12303391705202485,0.11512943387464841],"twin_dists":[0.13639789806984484,0.13756503712811502,0.15417374756270166,0.17768481894666605,0.19481570959032596,0.20591240983283804,0.20735110460301742,0.2171648099422372,0.21962237113026284,0.22734741194879327,0.24056738745862566,0.24862861749626616,0.24910115543910674,0.25056133729299057,0.25176959783345365,0.25275661187904774,0.2557430002675354,0.2558793649799651,0.2560756002654668,0.2583867959235166,0.26269966604035855,0.26297451624948653,0.2644532951681246,0.2658651752719169,0.270045149900231],"n_dims_used":45,"mean_confidence":0.8988733079698351},"coverage":{"mean_confidence":0.8988733079698351,"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}}