{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000537},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000381","490:4900012602","490:4900000869","490:4900000754","494:4940008056","490:4900000876","490:4900000997","490:4900000644","494:4940008247","494:4940007327","494:4940007954","490:4900003407","490:4900000536","494:4940008158","490:4900013123","490:4900003412","494:4940006356","490:4900012927","490:4900000993","490:4900012458","494:4940008145","490:4900013227","490:4900000874","490:4900002726","490:4900000756"],"twin_admin_codes":[490,490,490,490,494,490,490,490,494,494,494,490,490,494,490,490,494,490,490,490,494,490,490,490,490],"twin_sims":[0.22157587451505847,0.0758683329533391,0.07314395953530954,0.057437064427299955,0.0528612838313517,0.0525698693470795,0.05081542551605059,0.036530076899096764,0.03354385729308478,0.03049046773271886,0.027508021567897275,0.026671635316383894,0.026612065156278873,0.025941291779324586,0.025507896530791618,0.02536539942626417,0.02524778706011344,0.024454790509149824,0.022639366495644953,0.022031379988576703,0.022027760131821013,0.021986436718418715,0.021880040601789198,0.021477284607570302,0.0210433506215557],"twin_dists":[0.22547274800785458,0.2949469852494551,0.29703097261659694,0.3104552007712619,0.3149333982410621,0.3152293345486813,0.3170403731242828,0.33413953690421944,0.3384172051844335,0.3431411357726626,0.3481642943520268,0.3496569808855497,0.34976482664779335,0.35099378786608,0.35180250029076615,0.35207099168729517,0.3522935789298132,0.3538182054351752,0.3574765481459268,0.35875872970220907,0.35876645518987255,0.35885472576760347,0.3590826628479475,0.35995432557332485,0.3609095236434661],"n_dims_used":45,"mean_confidence":0.9089999728732638},"coverage":{"mean_confidence":0.9089999728732638,"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}}