{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003621},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001032","499:4990000090","499:4990001123","500:5000003400","500:5000003227","499:4990000936","499:4990000068","499:4990000779","499:4990000091","499:4990000300","499:4990003600","500:5000003232","499:4990000481","499:4990000253","477:4770003776","477:4770003561","499:4990000692","500:5000003402","500:5000002493","500:5000003939","499:4990002051","496:4960005541","477:4770003623","477:4770003724","499:4990001784"],"twin_admin_codes":[499,499,499,500,500,499,499,499,499,499,499,500,499,499,477,477,499,500,500,500,499,496,477,477,499],"twin_sims":[0.7359957441665115,0.678674901884474,0.6088623639368592,0.5526550131395157,0.5478235017281434,0.5446687659772611,0.5403776903050749,0.534219087401798,0.529975894803548,0.5266886794877563,0.5228541524271595,0.5145598693109519,0.5028972604061411,0.49907322807802174,0.4972080372963245,0.4955536747838374,0.48782998405317746,0.4842623757765312,0.48065400174725303,0.4745205990419269,0.47288101525410753,0.4726172488464309,0.4707922589489644,0.4701515924916536,0.46815711079091255],"twin_dists":[0.10168947480499232,0.11435049324711134,0.12937520440633724,0.14144056968038068,0.14248386951594896,0.14316592481996973,0.1440947875873021,0.14543034584373876,0.14635232695738934,0.1470676634652527,0.1479033471432545,0.14971586675381748,0.15227686807726318,0.15312003156814752,0.15353194288349395,0.1538976623346772,0.1556098340967406,0.1564034423804783,0.15720796771297238,0.1585799133672783,0.15894764093890584,0.15900683818401118,0.15941672433445644,0.15956074208540005,0.16000951464868768],"n_dims_used":44,"mean_confidence":0.9236561168323864},"coverage":{"mean_confidence":0.9236561168323864,"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}}