{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001764},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001628","496:4960010261","496:4960010430","490:4900000974","490:4900001494","490:4900001765","496:4960010021","496:4960010020","490:4900001908","490:4900001229","490:4900001098","490:4900000975","490:4900001493","496:4960011133","490:4900001360","496:4960010019","490:4900001492","496:4960010259","496:4960009932","496:4960010344","490:4900000852","496:4960009933","478:4780004504","500:5000001325","496:4960010260"],"twin_admin_codes":[490,496,496,490,490,490,496,496,490,490,490,490,490,496,490,496,490,496,496,496,490,496,478,500,496],"twin_sims":[0.9300441280554855,0.6368102296462156,0.5318893500042805,0.5155620803215725,0.5071857843041963,0.40713563439302997,0.40357866842038564,0.3939068987891113,0.37908608522826237,0.36994590080315937,0.33811788847034874,0.2734943163698264,0.21590585710931035,0.20722616065631982,0.18979053455599942,0.18200119935677986,0.1514056511211472,0.14823593600574694,0.14321350764053398,0.1428653079948498,0.13828966655370142,0.13640807433319405,0.11643386127142788,0.1151490144952317,0.1117837888841238],"twin_dists":[0.049462658654711174,0.12338535363249525,0.1459363732304664,0.1494964858454632,0.1513333621224178,0.17411019445721324,0.17495822556904872,0.1772813578013081,0.18089347913285725,0.1831551242892055,0.19126069120057027,0.2091321600909846,0.22740372328817735,0.23042709976401327,0.23677328444684986,0.2397401424376301,0.2523573656217679,0.2537675772296417,0.25604838022339116,0.25620869094228943,0.25834283324176227,0.25923574512637637,0.26934051675755716,0.2700345274915387,0.2718809236780022],"n_dims_used":45,"mean_confidence":0.916636488172743},"coverage":{"mean_confidence":0.916636488172743,"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}}