{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012671},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012670","490:4900012249","490:4900012383","490:4900012731","490:4900012250","490:4900012455","490:4900012251","490:4900012594","490:4900012307","490:4900012313","490:4900012246","490:4900012536","490:4900012234","490:4900012730","490:4900012315","490:4900012662","490:4900012453","490:4900012298","490:4900012669","494:4940007217","490:4900012245","490:4900012926","490:4900012673","490:4900012454","490:4900012381"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490],"twin_sims":[0.7013311648395371,0.45359232472424676,0.4375637180559542,0.39628614691924524,0.3382930862130999,0.3273912789439385,0.32684015042451775,0.2822129252730298,0.27030805269823505,0.232957397246561,0.22732605187551466,0.2149383678412794,0.17641952799838456,0.16582007908581134,0.16439252016997516,0.1578120955172411,0.14874478631010932,0.1471440379595998,0.14176756228798623,0.1354201670768961,0.12228114657602822,0.11891176312645828,0.11751656710271359,0.11494630031531812,0.1086791203718995],"twin_dists":[0.10939951604877972,0.16330718263458113,0.166981719062567,0.17670747134933076,0.19121500114198628,0.19408300607794818,0.1942293747154032,0.20658564746624122,0.21007518764838387,0.22169386192412086,0.22354790687442866,0.2277366042641463,0.24192172510942817,0.2462039352672869,0.24679558448417868,0.24957201503495954,0.25353970112087043,0.25425851301084135,0.2567160003617015,0.2597082547961326,0.2662542547190456,0.26801849937732364,0.2687602418234354,0.2701445664261653,0.2736228042503982],"n_dims_used":45,"mean_confidence":0.9128560384114583},"coverage":{"mean_confidence":0.9128560384114583,"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}}