{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001135},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001134","494:4940008961","490:4900007255","494:4940008941","490:4900006873","490:4900004029","490:4900004139","490:4900000398","490:4900007251","490:4900007129","490:4900001005","490:4900006747","490:4900007131","480:4800004204","490:4900001077","490:4900004821","490:4900004126","480:4800004629","490:4900006748","494:4940008753","496:4960009076","490:4900006753","490:4900001676","490:4900001826","466:4660003941"],"twin_admin_codes":[490,494,490,494,490,490,490,490,490,490,490,490,490,480,490,490,490,480,490,494,496,490,490,490,466],"twin_sims":[0.3289989071048292,0.3129668969335121,0.30507207503924744,0.22602237187255095,0.21010901396494214,0.20993212612152876,0.176094890107328,0.12830057509164183,0.11031221339381855,0.1101012829971448,0.10983509415782906,0.09447024838531339,0.09019280732812887,0.08672137633244932,0.0846276992349461,0.0831612244225484,0.0825647450040601,0.07925518772938768,0.07768082123485232,0.07632085191925388,0.06718831875456158,0.06673416809588606,0.0639645898651427,0.06358343740437923,0.061489102070274186],"twin_dists":[0.19365682745824814,0.19796023495794599,0.2001253517536167,0.22398144395744646,0.22941355068176325,0.2294754671539429,0.2420501088551909,0.2631924686103296,0.2727018269043687,0.27282018460596574,0.27296979959654055,0.28212794392528256,0.2848846893060422,0.2871991490771192,0.28863088500019074,0.28965062804882485,0.29006951425903793,0.2924387269969619,0.2935937318705441,0.294606703546592,0.30181533610863254,0.30219413791454947,0.3045508616294503,0.3048816942369186,0.30672907920231074],"n_dims_used":45,"mean_confidence":0.920619879828559},"coverage":{"mean_confidence":0.920619879828559,"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}}