{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003508},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003400","480:4800003401","480:4800002999","480:4800003454","480:4800003115","480:4800003700","480:4800003453","480:4800003634","480:4800003194","480:4800003448","480:4800003397","480:4800003024","480:4800003296","480:4800003443","480:4800003399","480:4800003398","480:4800003768","480:4800003767","480:4800003028","480:4800002653","480:4800003769","480:4800003295","480:4800003157","480:4800003511","480:4800003343"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5463277694501822,0.4850522525222469,0.4626002443638745,0.41958170745845225,0.32863989891083517,0.30529655835017794,0.2954479152021691,0.29061884742354477,0.2906020955187784,0.27675603230269447,0.2720602489503903,0.25796351663705064,0.2531366413241819,0.24272726008365123,0.2297244884859523,0.2247701221432436,0.222713677477925,0.20813296202359488,0.2075930826387149,0.20505668479257344,0.19810198488630523,0.19553503226984753,0.19271251218220076,0.18791949853056855,0.17601082588683833],"twin_dists":[0.14280716253778183,0.15622758108475515,0.16126332632710166,0.17116816896668774,0.19375190003294054,0.2000633456079118,0.2028091248758964,0.2041751418657722,0.2041799039020344,0.20817376622228037,0.2095557539292357,0.21379542779882227,0.21528049639468747,0.2185457587442373,0.22275459058657313,0.22439944366568434,0.22508925713945174,0.23010725831066986,0.23029756654179645,0.23119620103336289,0.23369998684986323,0.23463943981118496,0.2356823539495795,0.23747802024072875,0.24208338099105506],"n_dims_used":43,"mean_confidence":0.9139079604037973},"coverage":{"mean_confidence":0.9139079604037973,"n_dims_used":43,"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}}