{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000405","480:4800000724","480:4800000309","480:4800000800","480:4800000434","480:4800000429","480:4800000766","480:4800000798","480:4800000512","480:4800000652","480:4800000511","480:4800000713","480:4800000471","480:4800000465","480:4800000691","480:4800000412","480:4800000337","480:4800000723","480:4800000320","480:4800000312","480:4800000532","480:4800000413","480:4800000507","480:4800000477","480:4800000640"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6982766010523439,0.6518824290303336,0.6503979583067387,0.5959214833897843,0.5533906275936902,0.5277252948118732,0.4658757730249167,0.44397482263969174,0.4204886764705751,0.41832557942068394,0.4175169297147242,0.40547993687833794,0.3763936239537039,0.3708708570562563,0.3632106106860825,0.36130236543702426,0.355223409278553,0.345176336840816,0.34087143854712126,0.332412898764345,0.3226629030554523,0.3225751907586849,0.3186000798680672,0.31675074525926217,0.31047033373620375],"twin_dists":[0.11007044439817594,0.12014493001611296,0.12046457083636013,0.13214642732079693,0.1412818522217928,0.14684197962680687,0.16052363290105093,0.16550590578862162,0.17095525614486845,0.1714633705031547,0.17165361039288324,0.1745045231903096,0.18155689770891184,0.18292501076636622,0.18483949640237743,0.18531957054801776,0.1868576032297931,0.18942984211796954,0.19054405494971094,0.1927555655685251,0.19534324404025916,0.1953667183961666,0.1964343468015208,0.1969335896489072,0.1986414829638606],"n_dims_used":43,"mean_confidence":0.9153227695198947},"coverage":{"mean_confidence":0.9153227695198947,"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}}