{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005518},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006172","490:4900005787","490:4900006050","490:4900006045","490:4900005255","490:4900005649","490:4900005533","490:4900002475","490:4900005785","490:4900006047","490:4900004837","490:4900007509","466:4660003082","490:4900001606","490:4900005526","490:4900007384","490:4900002802","466:4660003084","490:4900002312","490:4900005792","490:4900001209","490:4900006044","470:4700005291","490:4900005790","490:4900004863"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,466,490,490,490,490,470,490,490],"twin_sims":[0.492150862452953,0.4107881333256663,0.3853710824547064,0.3715198210750333,0.33355379016141934,0.3283237359744574,0.3203349271671774,0.319678171674865,0.3143366176691732,0.3103089625072578,0.30146009406974744,0.29807508537160116,0.2944543020726585,0.2918112842811019,0.2818604575895811,0.26975678235611156,0.2695061952396002,0.2554690054539119,0.25066696495186724,0.244696027570722,0.2314662178449042,0.22195092454254645,0.2123565877054146,0.20961328377831864,0.20918013581052045],"twin_dists":[0.1546510121149755,0.17324279969977036,0.17935366302614783,0.18276372935533447,0.19245551037980596,0.19383567369453947,0.19596749150719614,0.1961440599350893,0.1975877888293257,0.1986856245952557,0.20112670465390647,0.2020715023457782,0.20308910566244517,0.20383658845173316,0.20668766012840192,0.2102390399218265,0.2103135895523711,0.21456068638547063,0.2160472970821699,0.21792138210510847,0.22218191082144226,0.22534619427292873,0.2286298906304809,0.22958716192589768,0.22973908474410518],"n_dims_used":45,"mean_confidence":0.9063025580512153},"coverage":{"mean_confidence":0.9063025580512153,"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}}