{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001302},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001313","490:4900006034","490:4900000101","490:4900005647","466:4660011987","487:4870010978","466:4660013991","480:4800004355","487:4870010847","494:4940008116","490:4900005521","472:4720007811","494:4940008670","494:4940004260","467:4670002003","490:4900001090","487:4870011426","494:4940008013","493:4930006952","472:4720005903","490:4900004989","466:4660001431","494:4940007908","480:4800004199","494:4940000661"],"twin_admin_codes":[490,490,490,490,466,487,466,480,487,494,490,472,494,494,467,490,487,494,493,472,490,466,494,480,494],"twin_sims":[0.10549090787341098,0.09773808388514423,0.059957436714150165,0.05439096484250998,0.05289924061212671,0.04602546270906975,0.044734617998823244,0.041350109517878014,0.03827020879067834,0.035811296782644136,0.03402330142247108,0.03287345126017302,0.03005833735966886,0.029753527988128234,0.024924978695437503,0.024761958888429147,0.024077743536584525,0.022580432426981916,0.02180721255583396,0.02163675944269159,0.021325238942804123,0.0206425788193571,0.02053388594789585,0.019496466720551525,0.019495011365920162],"twin_dists":[0.2754521537926796,0.28008745249774514,0.3081131101407314,0.31340181642013876,0.31489495223125347,0.322264665544411,0.3237501687892636,0.32782338676157513,0.3317820904417407,0.3351412029489911,0.3377091135235261,0.3394219422586395,0.34384207142717726,0.34434170082535676,0.35290914749135605,0.35322263600056963,0.354558176671592,0.3575995165356519,0.3592392416241075,0.35960749693418875,0.3602870893823271,0.36180707788218325,0.3620531180424125,0.3644603953397853,0.3644638501518009],"n_dims_used":45,"mean_confidence":0.9002704196506076},"coverage":{"mean_confidence":0.9002704196506076,"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}}