{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870002933},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["665:6650003860","487:4870003900","487:4870004043","665:6650003791","487:4870003612","487:4870003756","665:6650003859","487:4870003896","487:4870003191","487:4870003465","487:4870003060","487:4870003058","487:4870003897","487:4870004047","487:4870004496","665:6650002893","487:4870004050","487:4870003901","665:6650003649","487:4870004038","665:6650003721","487:4870004042","487:4870004335","487:4870003611","487:4870003464"],"twin_admin_codes":[665,487,487,665,487,487,665,487,487,487,487,487,487,487,487,665,487,487,665,487,665,487,487,487,487],"twin_sims":[0.5075827837721655,0.46777762014384877,0.4240378540082698,0.42250312974965587,0.4219422011416071,0.39587983372390334,0.38231197439947223,0.360594826287685,0.28934589457776033,0.28498229649714246,0.26733905081596593,0.2643027933944493,0.24951596055259156,0.2488042995471528,0.24557412255234687,0.24054910134809263,0.23541353241508803,0.22382953922166587,0.2211830166142455,0.21985604713875348,0.215742575770323,0.21006145506260523,0.20035789334767978,0.18595259821831978,0.18558172485798813],"twin_dists":[0.15124612704748866,0.16009497633409786,0.17012393381820343,0.17048305165641922,0.17061444255109515,0.17680536336577043,0.18010162233313526,0.18549789987002474,0.20453746917338314,0.20578678849224774,0.21096011323163524,0.21187141973851986,0.21640631575876057,0.21662882572236342,0.21764394733577863,0.21924037125234833,0.2208944436681114,0.22471442875628267,0.225605464271834,0.2260549137449871,0.22745983234224168,0.22943019435446113,0.23288129231802254,0.23822418686538532,0.23836550239281673],"n_dims_used":43,"mean_confidence":0.8972923811091933},"coverage":{"mean_confidence":0.8972923811091933,"n_dims_used":43,"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}}