{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000642},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000507","480:4800000574","480:4800000641","480:4800000691","480:4800000434","480:4800000565","480:4800000511","480:4800000723","480:4800000312","480:4800000644","480:4800000724","480:4800000798","480:4800000477","480:4800000685","480:4800000309","480:4800000337","480:4800000640","480:4800000612","480:4800000728","480:4800000652","480:4800000715","480:4800000564","480:4800000684","480:4800000403","480:4800000397"],"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":[0.5522603877451757,0.5379579427990824,0.37119814858031763,0.367876597467939,0.3587271018505474,0.35411642854823405,0.34785577876175566,0.3445038772783789,0.30684380426329755,0.30295494181995564,0.278617490517641,0.2781356286742398,0.27003309688330573,0.26283996490142625,0.25441687123815765,0.249362478264028,0.22811531251554187,0.22630946216556436,0.2190066598332275,0.2184969336961518,0.21316445865207312,0.21206260752536374,0.20718868047923564,0.20695000078187278,0.20670677961807632],"twin_dists":[0.14152572837405297,0.14461918037677265,0.1828436543743618,0.18367097123417378,0.18596950383803576,0.18713913404143592,0.18874005690968113,0.18960340183187485,0.19963668479652674,0.2007114456043818,0.2076299037250916,0.2077704763586954,0.21015688601826568,0.21231280664888416,0.2148848754362168,0.21645426957633201,0.22328623940276907,0.2238858303360932,0.2263435588416104,0.2265171383795791,0.22834958459080465,0.2287320717706633,0.23044034006910205,0.23052469479710574,0.2306107229243408],"n_dims_used":43,"mean_confidence":0.9130497422329215},"coverage":{"mean_confidence":0.9130497422329215,"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}}