{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002875},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002877","490:4900002427","490:4900002119","490:4900002583","490:4900005492","490:4900005503","490:4900001970","490:4900002727","490:4900002577","490:4900001668","490:4900002584","494:4940008647","490:4900005361","490:4900012498","494:4940007669","466:4660009851","490:4900005357","490:4900002277","494:4940008704","494:4940007339","494:4940008078","494:4940007461","496:4960006999","490:4900005104","490:4900003166"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,494,490,490,494,466,490,490,494,494,494,494,496,490,490],"twin_sims":[0.5947716642041848,0.4503061075774556,0.439863862665286,0.41191624318252007,0.3611152913549323,0.35187180907075294,0.33810295361635206,0.3164646112582495,0.3148833873084609,0.29928192126539443,0.28254140250365356,0.2824527127970108,0.2738970798969026,0.270768041002039,0.24706373763568476,0.23681761124434184,0.2359951922322364,0.23566546863367263,0.23479521466644188,0.23325190538510449,0.23289579351390308,0.23242030898197022,0.23088672018133788,0.22240771701788206,0.22129307852215946],"twin_dists":[0.13239271776923991,0.1640564826588447,0.16645126965060877,0.17297558187760953,0.18536670369729705,0.1877113978452956,0.1912645866715511,0.19701098067825248,0.19743937215192164,0.2017339428263353,0.20649064756313323,0.20651629120086537,0.20901343776370912,0.20993862477109418,0.2171747591549124,0.2204398973889987,0.2207059269279933,0.22081275343968143,0.22109517578905383,0.22159771516991428,0.221713983512759,0.22186940851016304,0.22237213311483614,0.2251922507958828,0.22556826699807578],"n_dims_used":45,"mean_confidence":0.9227016025119358},"coverage":{"mean_confidence":0.9227016025119358,"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}}