{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000368},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000367","477:4770000532","477:4770000487","477:4770000372","477:4770001161","477:4770000529","477:4770000539","477:4770001042","477:4770000591","477:4770000431","477:4770000476","477:4770000417","477:4770000799","477:4770000582","477:4770000689","477:4770000579","477:4770001280","477:4770000527","477:4770001164","477:4770000742","477:4770000472","477:4770000474","477:4770000804","477:4770000590","477:4770001162"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.8635375724874911,0.8322810356494466,0.7980167142076939,0.7970919699840043,0.7844505059478072,0.7591689982886437,0.7571451780842011,0.7355257988433868,0.7258508190244329,0.7253126385520025,0.6640650963359277,0.645860838365735,0.6389502234176082,0.6361935741449306,0.6324205168565511,0.6271781408179924,0.6255252167724563,0.6208873595052625,0.6030394136384486,0.6010441679672235,0.5906169468279348,0.5846240607367338,0.5844175718650436,0.5817181951928401,0.579523175556973],"twin_dists":[0.07035263227510419,0.078696890611711,0.08724351655814211,0.08746739848790572,0.09049778757236224,0.0964104197155297,0.09687631533098953,0.10179536514597054,0.1039662539242971,0.10408652073474076,0.11751669105722855,0.12144080159498978,0.12292587294961978,0.12351772502004274,0.1243273660543859,0.12545158354305977,0.12580590184235713,0.12679975488745077,0.13062206500009538,0.13104932435797384,0.13328281742663486,0.1345673014022951,0.13461157383509378,0.13519043931001049,0.1356613000511064],"n_dims_used":45,"mean_confidence":0.9206548055013021},"coverage":{"mean_confidence":0.9206548055013021,"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}}