{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910005263},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010305","491:4910005661","490:4900009621","490:4900011139","491:4910005807","490:4900010307","490:4900010123","491:4910005416","490:4900009622","490:4900009724","490:4900008791","490:4900010910","490:4900009823","491:4910005212","491:4910003839","491:4910005311","491:4910004802","490:4900008437","490:4900009928","490:4900009927","490:4900010477","490:4900009819","491:4910004653","490:4900009924","491:4910005314"],"twin_admin_codes":[490,491,490,490,491,490,490,491,490,490,490,490,490,491,491,491,491,490,490,490,490,490,491,490,491],"twin_sims":[0.05497369925562599,0.04665216986172392,0.04237617494956972,0.03907981008482252,0.03547120504464331,0.032608555789438394,0.0315724350359425,0.027697425913508884,0.02492378967144769,0.024824684080925735,0.019662561522905082,0.018973269176389498,0.018108989941504082,0.01747827422589219,0.017128239234754174,0.015649483911950063,0.015264125253384683,0.015168542143393336,0.014586198700407742,0.014557401420555584,0.013913240816704772,0.012845350697923452,0.012011119155089808,0.011860053533304599,0.011651308732729656],"twin_dists":[0.3128277371341608,0.32155600360502873,0.3265597840702702,0.3307161090806303,0.33562110816929697,0.33982376609889176,0.3414227536225829,0.3478317032317194,0.352911427568568,0.35310180427527293,0.36406758022447533,0.3657171557105755,0.36786117033995686,0.36948306231205646,0.37040544220760585,0.3744944900468967,0.37561578656796624,0.3758977634043726,0.3776503326432228,0.3777385888954398,0.3797541697174646,0.38328482236258743,0.386228578275932,0.3867809361252132,0.3875545563285898],"n_dims_used":44,"mean_confidence":0.8829500024968927},"coverage":{"mean_confidence":0.8829500024968927,"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}}