{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000394},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770000453","477:4770000392","477:4770000662","477:4770000395","477:4770000442","477:4770000441","477:4770000402","477:4770000495","477:4770000763","477:4770000656","477:4770000709","477:4770000501","477:4770000761","477:4770000443","477:4770000447","477:4770000711","477:4770000446","477:4770003855","477:4770003893","477:4770000663","477:4770003924","477:4770000760","477:4770000658","477:4770001129","499:4990000530"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,499],"twin_sims":[0.9563150884242001,0.9405837194835054,0.9275009391125034,0.9104536957163617,0.9039513744954591,0.9039052952080646,0.9035360345523606,0.885971165447503,0.8856720678503046,0.8778052962609336,0.8634927308772061,0.8476361178541444,0.8457993411218084,0.8428937348419506,0.8003512124760104,0.7995187573315156,0.7971893831999418,0.7908583557511071,0.7864049874163113,0.777816510075386,0.7726875594229446,0.7650193439187076,0.7626910299279871,0.7603350826383147,0.7556788983791238],"twin_dists":[0.03881827840256793,0.04545778422507692,0.05038777692641693,0.05625596643964869,0.058365458566509335,0.05838018876993244,0.05849812373553994,0.06390850847772356,0.063997562426987,0.06630737292327428,0.07036508143815996,0.07467587450858433,0.0751642652300107,0.07593257925393093,0.0866769196814933,0.08687919549536685,0.08744382939273392,0.08896855452301343,0.09003278809736087,0.09206711275175265,0.0932713149161762,0.09505786181439095,0.09559719879885153,0.09614152147323679,0.09721324096031629],"n_dims_used":45,"mean_confidence":0.9216765509711371},"coverage":{"mean_confidence":0.9216765509711371,"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}}