{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":485,"cluster_id":4850000795},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["485:4850000156","485:4850000750","485:4850000257","485:4850000410","485:4850001062","485:4850000405","485:4850002752","485:4850000190","485:4850002027","485:4850000808","485:4850001052","485:4850000579","485:4850000544","485:4850000998","485:4850000238","485:4850000461","485:4850000409","485:4850001180","485:4850000286","485:4850000747","485:4850000746","485:4850000656","499:4990001966","485:4850000378","485:4850001279"],"twin_admin_codes":[485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,499,485,485],"twin_sims":[0.7560894524397576,0.7272610891072628,0.7189343765206898,0.6738777706139422,0.6658102653554077,0.6426808644943841,0.6385150608842378,0.6171390886916591,0.6152273152065264,0.604417762021661,0.6022134283713635,0.5876175034877301,0.5782366210457626,0.5668176037829321,0.5520304594408357,0.5515261234421217,0.5505078602571171,0.5494507624880738,0.5432959865869187,0.531989768526624,0.5274777086985885,0.5218480525475025,0.5210472192548387,0.5202418412028595,0.5172715290644555],"twin_dists":[0.09711895478059643,0.10365086394310846,0.10550816558840952,0.11539207998015757,0.11713937724999461,0.12212442724475261,0.12301932132361333,0.12760270533081755,0.1280121719367695,0.13032691721441736,0.13079893794704012,0.13392560492931352,0.13593735146788452,0.13839011379129004,0.1415753504728903,0.141684205504079,0.14190403433243787,0.14213231687449404,0.14346293676801278,0.14591455255695632,0.14689587333156395,0.14812284297016387,0.1482976266984394,0.1484734654774736,0.14912253343527962],"n_dims_used":45,"mean_confidence":0.9168414645724826},"coverage":{"mean_confidence":0.9168414645724826,"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}}