{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002729},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003299","490:4900001678","490:4900003840","490:4900003983","490:4900001972","490:4900004141","490:4900001413","490:4900004419","490:4900002747","490:4900004961","490:4900005897","490:4900012850","490:4900002748","490:4900012354","490:4900001418","490:4900004121","490:4900002279","490:4900003981","490:4900001820","490:4900002432","490:4900012778","490:4900003308","490:4900006014","490:4900005756","490:4900001835"],"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":[0.5145337317446693,0.4967059002361209,0.4828147418325878,0.459129070512796,0.4474389781459549,0.44030265284302655,0.424311335762331,0.3839315100588043,0.38264686958023764,0.35136839126342573,0.34950229292963864,0.34430907532588795,0.3400724456225443,0.3244690651891826,0.3129437767693688,0.31079737784352174,0.3040066801251241,0.30215698979499395,0.30071655089988303,0.2997878381957945,0.2929916594552783,0.28769848564854356,0.2874962441042648,0.28070855908851267,0.27971746779542883],"twin_dists":[0.14972158959677168,0.15364291032068927,0.1567259810425355,0.16204921341425318,0.1647118931462918,0.16635020144921636,0.17005999750197837,0.17970528721882995,0.1800196004335383,0.1878400044446188,0.188317572782061,0.18965371318043875,0.19075167894624434,0.19486065096082197,0.19796652960491792,0.19855206328914388,0.2004199930425208,0.20093296271343558,0.20133370307001316,0.20159267192322283,0.2035022679959382,0.20500779535428632,0.20506564511064632,0.20702158707434826,0.2073095628227299],"n_dims_used":45,"mean_confidence":0.9182810465494792},"coverage":{"mean_confidence":0.9182810465494792,"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}}