{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000294},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000199","491:4910000503","491:4910000558","491:4910000406","491:4910000816","491:4910000025","491:4910000109","491:4910000420","491:4910000022","491:4910000181","491:4910000167","491:4910000693","491:4910000070","491:4910000141","491:4910000694","491:4910000182","491:4910000250","491:4910000817","491:4910000754","491:4910000052","491:4910000191","491:4910000692","491:4910000414","491:4910000156","491:4910000061"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5567583542551661,0.37423787451474716,0.367932459954684,0.34587027488953276,0.3431199912413716,0.32572581937351974,0.30875907505193567,0.3056419802511423,0.27454865970966114,0.2576427860743659,0.2523981527538918,0.24840598155338178,0.22727271351995038,0.2218628048753604,0.21774862232419095,0.206285719833783,0.20499867864046747,0.17759347409372478,0.1745036080188859,0.16592842589995763,0.16399244700448815,0.15254729773113854,0.14857861814564707,0.14640675935470496,0.13988544698586053],"twin_dists":[0.14055563620019798,0.18208974258663907,0.1836570265466157,0.18925092662964887,0.1899611455471838,0.19452573622890373,0.19911025402728522,0.19996798564563908,0.2088215987259266,0.21389355779963057,0.21550928549222526,0.21675354292557822,0.22356561209144502,0.22537591578783614,0.22677245770458038,0.2307598167208671,0.23121684100861642,0.2414588657926778,0.24268186012805784,0.24615918152484786,0.24696205994306683,0.2518547664542315,0.25361405212026666,0.2545915305810086,0.2575926421230843],"n_dims_used":45,"mean_confidence":0.8911085340711805},"coverage":{"mean_confidence":0.8911085340711805,"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}}