{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000174},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000173","500:5000000138","500:5000000140","500:5000000137","485:4850007097","500:5000000068","485:4850006936","500:5000000582","485:4850007020","500:5000000584","485:4850007021","485:4850007492","500:5000000526","485:4850007165","485:4850008528","500:5000000517","500:5000001398","485:4850007022","485:4850007425","500:5000000088","500:5000000528","500:5000000580","500:5000000583","500:5000001456","500:5000000040"],"twin_admin_codes":[500,500,500,500,485,500,485,500,485,500,485,485,500,485,485,500,500,485,485,500,500,500,500,500,500],"twin_sims":[0.7325905167557933,0.709542629046106,0.6938887445918437,0.6873156818084954,0.6637982400935077,0.636329758739765,0.5911699220227042,0.5651440578048671,0.5529909580183098,0.5278360309840401,0.5273369985111045,0.5253680047841705,0.5217696568148411,0.5084808259463321,0.4731964490265963,0.4588018609815784,0.4582929606940641,0.457411774317057,0.4540948770371746,0.44379066409097134,0.43526858368602356,0.4178306137325902,0.4099984230541829,0.40371132076418714,0.40204723848339846],"twin_dists":[0.10245580472026221,0.10758981581626867,0.11103222657753105,0.11246884414608495,0.11757436711462209,0.12348849278457445,0.1331643324939053,0.13875004083186054,0.14136808154246908,0.14681787673560903,0.14692650510783942,0.1473553323592652,0.14813995027343194,0.1510488608444713,0.15887686236383217,0.1621234037464827,0.16223882768882605,0.16243879903462513,0.16319277113762304,0.1655481826132906,0.1675121121777885,0.17157979561006567,0.17343005129997108,0.17492653952543025,0.17532437077789723],"n_dims_used":44,"mean_confidence":0.9164179021661932},"coverage":{"mean_confidence":0.9164179021661932,"n_dims_used":44,"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}}