{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000417},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000197","491:4910000517","491:4910000140","491:4910000516","491:4910000815","491:4910000118","491:4910000634","491:4910000209","491:4910000944","491:4910000756","491:4910000941","491:4910000882","491:4910000687","491:4910000749","491:4910000569","491:4910000106","491:4910000289","491:4910000418","491:4910000518","491:4910000453","491:4910000194","491:4910000332","491:4910000401","491:4910000370","491:4910000931"],"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":[0.5718312197440342,0.5302179493377915,0.35951938018142954,0.33201786231939273,0.3294632899036835,0.3265804232487396,0.31230534755983197,0.2971839992055457,0.2966613455418456,0.28281475930475747,0.2764520173888244,0.25493383721889623,0.25436992889952603,0.24610233369981244,0.24519367436767533,0.24146681192446706,0.2290119122455167,0.2133474154956626,0.21290782086207677,0.2083876871974921,0.20422590474800498,0.20031517397557855,0.19378010508234594,0.19087030854037285,0.19013819524188527],"twin_dists":[0.1373125803864304,0.14629969080780195,0.18576929915403817,0.19285959137044706,0.19353393420331083,0.19429840032073123,0.19814045179443876,0.20232125971052015,0.20246795612691215,0.2064116400881948,0.20826280214553253,0.21472547917043305,0.2148993593553204,0.21747736626730152,0.2177640716180922,0.21894721950003376,0.22298971101680554,0.22828620414397427,0.228438551857297,0.2300175841363168,0.23149219472695293,0.23289673644617392,0.23528664037756886,0.23636879058783478,0.23664287226035874],"n_dims_used":45,"mean_confidence":0.889851548936632},"coverage":{"mean_confidence":0.889851548936632,"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}}