{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009418},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009825","490:4900009828","490:4900010654","490:4900012173","490:4900009727","490:4900012171","490:4900010652","490:4900011242","490:4900012106","490:4900008441","490:4900010401","490:4900012108","490:4900008220","490:4900007890","490:4900011241","490:4900011170","490:4900012107","490:4900010149","490:4900007167","490:4900009726","490:4900008442","490:4900010572","490:4900009827","490:4900010412","490:4900008332"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.1420677711873199,0.10828188477567835,0.05522302731036992,0.05394335114849963,0.04383940171762338,0.038597409184212596,0.03844040062044157,0.029183196295149014,0.026908209473380056,0.019548379272493303,0.015565473078121774,0.014454491024765133,0.014267192014669932,0.014060317071848369,0.0112009738222616,0.009133306811964349,0.009022129397257739,0.008514774827998742,0.00819781354413289,0.007851148071896942,0.006717112016489109,0.006490767321672957,0.006043213812089819,0.004380325184461395,0.0035525229606205703],"twin_dists":[0.2565769732083372,0.27384844281490583,0.31258364988372184,0.3138462513063632,0.32480164490339625,0.3313489972938228,0.33155642947033703,0.3452884752020118,0.34923072640792974,0.36433730907065454,0.3747368525055862,0.37805524608270213,0.37863670672192257,0.37928682072334147,0.3892663406379579,0.39801084825213684,0.3985295469884351,0.40097167490095353,0.4025643123757072,0.4043706559385656,0.4108263626951651,0.4122313007222318,0.41514433479367246,0.4280199813122538,0.4361964629039926],"n_dims_used":44,"mean_confidence":0.8838435953313654},"coverage":{"mean_confidence":0.8838435953313654,"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}}