{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960012553},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960012539","496:4960012274","470:4700005536","466:4660001388","496:4960012616","488:4880004740","496:4960012635","496:4960012666","496:4960012540","496:4960012634","496:4960012437","496:4960012446","466:4660000940","466:4660001104","496:4960012669","488:4880004389","496:4960012501","466:4660001027","496:4960012507","496:4960012532","466:4660001380","488:4880004565","488:4880004939","496:4960012571","496:4960012619"],"twin_admin_codes":[496,496,470,466,496,488,496,496,496,496,496,496,466,466,496,488,496,466,496,496,466,488,488,496,496],"twin_sims":[0.8260587017453426,0.8240572626290703,0.8179601231199649,0.8013013283802985,0.7971970530843715,0.7919886694235428,0.7820100075399256,0.7739949562470031,0.7547641867682574,0.7509825793876035,0.7393521538787573,0.7290999322708785,0.7117881360938152,0.7071622611829269,0.7001694523669748,0.6940182151398514,0.6914924315028576,0.6796070736960896,0.6716617929854957,0.6687087951687565,0.654930535400024,0.6529616628038132,0.6479868443265138,0.6413003764122742,0.638503867446025],"twin_dists":[0.08028921067488745,0.08079722602976756,0.08233298710909208,0.08644573336971548,0.0874419735192905,0.08869737077930681,0.0910766992184144,0.09296508369108686,0.09742316563324172,0.09828896120049666,0.10093193820564253,0.10323910397194529,0.10709330420127185,0.10811536359430392,0.10965482220273247,0.11100388038625018,0.11155652575831985,0.1141478506591032,0.11587255161825193,0.11651219660638949,0.11948821299696659,0.11991246929001294,0.12098348889031933,0.12242106209797264,0.12302172494627649],"n_dims_used":45,"mean_confidence":0.9177593655056424},"coverage":{"mean_confidence":0.9177593655056424,"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}}