{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001932},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002080","490:4900002388","490:4900004506","490:4900002076","490:4900002244","490:4900012975","490:4900002385","490:4900002074","490:4900004504","490:4900002689","490:4900002085","490:4900002389","490:4900001784","490:4900013051","490:4900013087","490:4900002075","490:4900001919","490:4900002077","490:4900002236","490:4900013047","490:4900002378","490:4900003137","490:4900006087","490:4900012375","490:4900000863"],"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":[0.05689874759654409,0.026012875244879385,0.012652825759399815,0.009485650379475111,0.008883091799113401,0.008307015378913193,0.008069097988632132,0.006633722786156404,0.005039545432332418,0.00428989422747416,0.0041950104195981955,0.003909959616094432,0.003670888606386936,0.003419125238545591,0.0032825704447024782,0.0031581053762802444,0.002785917508507138,0.0026496488481333427,0.0026091742323884255,0.0024718327605799824,0.0020862020062917402,0.001742395625328531,0.0017043142498802115,0.001649850023759961,0.0013125127837478679],"twin_dists":[0.31096638828055834,0.3508613376057142,0.38394881944396636,0.3964034500594564,0.3991863282358039,0.40200947328574327,0.40322686468262403,0.4113389357027396,0.4224591449588412,0.4288412777966272,0.42972009708564296,0.4324733934322017,0.43492720447013833,0.4376739598878571,0.43924190955508363,0.44072378620363784,0.44549705629521474,0.44739180871339745,0.44797178602038057,0.45000321267888527,0.4563165603057869,0.46292537446105514,0.4637298541307363,0.46490970111665253,0.4731358703513459],"n_dims_used":45,"mean_confidence":0.9146180894639757},"coverage":{"mean_confidence":0.9146180894639757,"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}}