{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001971},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001674","490:4900001823","490:4900001278","490:4900001412","490:4900001833","490:4900001671","490:4900002594","490:4900005378","490:4900004690","490:4900004557","490:4900005109","490:4900005238","490:4900005636","490:4900005376","490:4900001668","490:4900002285","490:4900002597","490:4900001147","490:4900004276","490:4900004558","490:4900005504","490:4900001970","490:4900003185","490:4900004694","490:4900005379"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.9058842318158923,0.7543115985457828,0.6439824310374497,0.582254897956775,0.579989798603664,0.5770458226254739,0.5614987761376662,0.5387074263206518,0.5334560840276827,0.5276210200667165,0.5196655667669375,0.5176280054713303,0.4841179304964967,0.4820524361375113,0.4773442760300945,0.47575351078950895,0.4604915756741482,0.4590583986445556,0.45754534607039826,0.43314375749293427,0.39397323985319405,0.3918071791984431,0.39161447298945545,0.3676833177929176,0.36323828689481635],"twin_dists":[0.05774487877355748,0.0975269606190038,0.1218446744273247,0.1350753307660254,0.13556119117659,0.136192904526612,0.13953449028712467,0.14445670886259193,0.1455960230382769,0.1468646771273088,0.1485993231040137,0.14904458982005733,0.15643561186700708,0.15689594740663598,0.1579475929362432,0.15830367036850485,0.16174048655471024,0.1620652357011035,0.16240847811694498,0.16800414311318393,0.17726533433294359,0.17778915567132036,0.1778358232826014,0.18371922689428855,0.18483254307610053],"n_dims_used":44,"mean_confidence":0.9191391684792258},"coverage":{"mean_confidence":0.9191391684792258,"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}}