{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003455},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003460","490:4900003466","490:4900003594","490:4900003595","490:4900002303","490:4900001699","490:4900004149","490:4900003338","490:4900002148","490:4900002164","490:4900003198","490:4900002327","490:4900004161","490:4900003471","490:4900003074","490:4900002320","490:4900002021","496:4960008015","490:4900003358","490:4900003330","490:4900001733","490:4900002017","490:4900004302","490:4900002608","490:4900001732"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490],"twin_sims":[0.8032995350488993,0.6795064790195491,0.6096441471854274,0.5895615043116549,0.5788010463228497,0.5645751504324653,0.5561032478332463,0.5555593921846937,0.5397024023130521,0.5372265874201916,0.5118818694699985,0.5115189849051455,0.5055252969774215,0.5000314986216513,0.4975658792271088,0.49261537340892875,0.47446882992502004,0.46813935285181346,0.46657261679290724,0.46114176440432475,0.4565629099756621,0.449444868890515,0.443392438188191,0.41919150262890453,0.40747668262607006],"twin_dists":[0.0859583915978988,0.11416972261391377,0.12920780023633796,0.13350898077712176,0.13581623829393985,0.13887242469623007,0.14069685160002499,0.14081410435339556,0.14424108684603132,0.1447777643379031,0.15030259491331113,0.15038215935399926,0.15169842686059062,0.15290857415349837,0.1534528827337107,0.1545480844047138,0.15859151777566283,0.16001351322724627,0.16036650184986165,0.1615932763354062,0.16263156686179273,0.1642531921607795,0.16563962543438923,0.17125983037717354,0.17402905734457252],"n_dims_used":45,"mean_confidence":0.9185743543836805},"coverage":{"mean_confidence":0.9185743543836805,"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}}