{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009128},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008916","490:4900008017","490:4900008132","490:4900008024","490:4900008018","490:4900009564","490:4900008690","490:4900008021","490:4900009031","490:4900009759","490:4900008241","490:4900009953","490:4900008914","490:4900007797","490:4900009030","490:4900008239","490:4900009449","490:4900008803","490:4900009352","490:4900008688","490:4900009653","490:4900009758","490:4900009855","490:4900009123","490:4900008703"],"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":[0.323693183967205,0.30543306126262915,0.26533084414486496,0.20609229541824342,0.17650074683217037,0.17112702932271065,0.16693105117916618,0.13208637697505196,0.1288980983672744,0.12009636776951821,0.11560358261585488,0.11484238849399754,0.10624719509034022,0.09805167216182605,0.0975510243973393,0.09113868295164404,0.07808818356428983,0.07538579028167038,0.06495271844098875,0.06269328533066831,0.05811424018505048,0.05656914357529023,0.055563204648491286,0.046356872815281336,0.04572757766290906],"twin_dists":[0.19506777690471058,0.20002565405642994,0.2115621325322035,0.23082837640579115,0.24188963200178246,0.24403614097224224,0.24574603386838353,0.26132213374684193,0.2628945229908779,0.2673939258837805,0.26978831540730236,0.2702010305256537,0.2750143632605732,0.27989447623291686,0.2802027968860667,0.28426632428999277,0.2932930867647183,0.29531165127909775,0.30370063396283437,0.3056606987228799,0.3098177357312615,0.3112813553087577,0.31225208939341165,0.32188891732580577,0.32260434238863034],"n_dims_used":45,"mean_confidence":0.8824857923719618},"coverage":{"mean_confidence":0.8824857923719618,"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}}