{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001913},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002224","490:4900002225","490:4900002072","490:4900002071","490:4900001239","490:4900001630","490:4900001106","490:4900001774","490:4900002532","490:4900002678","490:4900002237","490:4900001770","490:4900001236","490:4900002677","490:4900002533","490:4900001635","490:4900002983","490:4900002381","490:4900002832","490:4900002082","490:4900003118","490:4900001238","490:4900001495","490:4900001636","490:4900001767"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7521760411086749,0.748961291199416,0.7223142338505468,0.6719030769045272,0.626656010351117,0.5558673613257872,0.5216345879432476,0.46776961351208945,0.4450379826891163,0.3598652256493485,0.29990902778030265,0.26684613519502054,0.26029381429529486,0.24825614279794983,0.18632343087589148,0.18459417391472702,0.16776307174142005,0.1657419997124499,0.16245237660537645,0.1484510892642095,0.14045429186080563,0.1335551098909317,0.12529335802787142,0.10602794874778868,0.10138388184286232],"twin_dists":[0.09801607598095034,0.09875039372184585,0.10475567103326587,0.11582025605147274,0.12556351362116427,0.1407477055425279,0.14816942603020242,0.160096779690947,0.16526197018170183,0.18568197652317744,0.20155885197790688,0.21110761811496112,0.21308475357691803,0.21680049205890026,0.23808308475278012,0.23874276446068624,0.2454045423722492,0.24623619982492692,0.2476056597810008,0.2536711558104748,0.25732676669457244,0.2606073952636321,0.26470812866911164,0.27514102798372614,0.27787320547601224],"n_dims_used":44,"mean_confidence":0.9108515652743253},"coverage":{"mean_confidence":0.9108515652743253,"n_dims_used":44,"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}}