{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001818},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001727","487:4870001910","487:4870001728","487:4870001909","487:4870001816","487:4870001726","487:4870001819","487:4870001538","487:4870001812","487:4870001348","487:4870001813","487:4870001350","487:4870001814","487:4870001535","487:4870001534","487:4870001347","487:4870001633","487:4870001537","487:4870001908","487:4870000655","487:4870001533","487:4870001349","487:4870001999","487:4870001904","487:4870001722"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.941032670739505,0.7904019949779539,0.6318657795274559,0.45578195299750834,0.4495665822149029,0.4478068149565894,0.4148620300417975,0.39427637570602625,0.3937151163377492,0.38682292988604033,0.36004083756162436,0.3598235810710998,0.29776721579653437,0.28543459943639654,0.2646822584382929,0.2581625723465577,0.25033556753897895,0.22349200828045024,0.21839424341229235,0.21142799923988506,0.2085019270879771,0.2042924226819737,0.15781683573340186,0.1538093072404938,0.15105528104002666],"twin_dists":[0.04528037105767553,0.08907791974616647,0.12444636555842267,0.16280902835966687,0.1642253839185469,0.1646277194037488,0.17227930503382538,0.17719213331646946,0.1773276863721276,0.17899967278085668,0.18563765262741072,0.185692489104397,0.20215774367283795,0.2056567611919844,0.21175717114293544,0.21373456387525783,0.21615055760808705,0.22482767691830385,0.22655214088697978,0.22895297559804748,0.22997739105433018,0.23146846510574898,0.24956998499348615,0.2513023814593245,0.25251217114036384],"n_dims_used":42,"mean_confidence":0.9080026717413039},"coverage":{"mean_confidence":0.9080026717413039,"n_dims_used":42,"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}}