{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001356},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001355","489:4890001290","489:4890001167","489:4890001428","489:4890001434","489:4890001287","489:4890001166","489:4890001357","489:4890001435","489:4890001431","489:4890001354","489:4890001436","489:4890001439","489:4890001296","489:4890001292","489:4890001048","489:4890001160","489:4890001239","489:4890001228","489:4890001049","489:4890001161","489:4890001433","489:4890001171","489:4890001359","489:4890001367"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.680413494467764,0.6146521084369309,0.6016925130797979,0.5787538780030629,0.4943404395142517,0.47593353625794493,0.4366241380667491,0.4183005192751626,0.4161116636920704,0.40481398360260956,0.38886536270200445,0.3850703284302509,0.37907758733157126,0.37272804248199437,0.3645402426445789,0.3582966393646197,0.35462852203956097,0.3389918655504794,0.3366866631326971,0.3234809279535014,0.30898715854078,0.3088574573956616,0.28989119150817316,0.2698937269964734,0.25329829256707465],"twin_dists":[0.11397247877263064,0.1281353629387382,0.13091048623199575,0.13582635918170125,0.15416608772190604,0.15826335396287325,0.16719871710644166,0.17146926370136725,0.17198458342644826,0.17466333204187393,0.17850274847155914,0.17942707221405335,0.18089556939494136,0.18246383143657421,0.18450574401440298,0.1860783744532942,0.1870088402748192,0.19103289216051972,0.19163442168554876,0.1951244879837454,0.19904768836282483,0.19908326347611188,0.20438214231254132,0.21019831700810457,0.21523047234238843],"n_dims_used":45,"mean_confidence":0.9139716254340278},"coverage":{"mean_confidence":0.9139716254340278,"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}}