{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000512},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000477","480:4800000766","480:4800000405","480:4800000646","480:4800001150","480:4800000957","480:4800000723","480:4800000465","480:4800000751","480:4800000800","480:4800000412","480:4800000439","480:4800000404","480:4800000500","480:4800000532","480:4800000933","480:4800000728","480:4800000713","480:4800000652","480:4800000508","480:4800000537","480:4800000564","480:4800000316","480:4800000676","480:4800000429"],"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":[0.6524786966851602,0.6179535062772282,0.5431813472161293,0.5429989099531585,0.5233717424270965,0.5206958343022438,0.5190378271458428,0.5182786495753036,0.5043406664228811,0.49625197185068826,0.49281416001437256,0.4880311779393108,0.4871314342662944,0.48427622639405166,0.47372325865902976,0.43256839155645965,0.4204886764705751,0.4119451059647621,0.40752516996077476,0.40549415372066216,0.3745489867796126,0.3511632316508249,0.3503858855313505,0.3359159519059019,0.331391347291308],"twin_dists":[0.12001650552683635,0.12742825875116584,0.1434877460129024,0.14352722943382942,0.14779046483147631,0.14837433700887426,0.14873645818000666,0.14890235966847196,0.1519590680644427,0.15374325166600805,0.15450404540031018,0.15556513180542955,0.15576508497469232,0.15640035785853015,0.15875868911504898,0.16813754316784155,0.17095525614486845,0.17296874928495964,0.17401752440471024,0.17450113419175112,0.18201275105270112,0.18789244351528078,0.1880912795848136,0.1918360303079656,0.19302471175691654],"n_dims_used":43,"mean_confidence":0.9167385544887808},"coverage":{"mean_confidence":0.9167385544887808,"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}}