{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000244},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000190","490:4900000113","490:4900000205","490:4900000431","490:4900000848","490:4900000725","490:4900000357","490:4900000141","490:4900000166","490:4900000111","490:4900000334","490:4900000425","490:4900000076","490:4900000066","490:4900002359","490:4900001083","490:4900000160","490:4900000185","490:4900000090","490:4900000498","490:4900004041","496:4960008388","490:4900000120","490:4900000402","490:4900000184"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.7600510891766158,0.6574433860196949,0.5696758031730899,0.4998262958467374,0.4864805396314179,0.45015936292452063,0.4199482992637377,0.4003865004396684,0.39273453067818725,0.3912525887682096,0.36954237391127914,0.3510085781138584,0.33787736824622344,0.3330089090417114,0.3164611864890331,0.31633977092296317,0.3155948989842086,0.31446351498559016,0.31412473872517993,0.30425833247042444,0.3032937957107513,0.2962939082203505,0.2885245190454703,0.286860213388554,0.2827951157506994],"twin_dists":[0.0962070413653208,0.11894640178212966,0.13777569528043296,0.1529538458283913,0.15590980569581533,0.16408998962979957,0.17108208734137884,0.17572214404442024,0.17756472864736259,0.17792348966052615,0.18325560454571102,0.18793198374184086,0.19132343758463882,0.19259874454009385,0.19701190721947753,0.1970447587987135,0.19724645615912786,0.19755333041591916,0.1976453412479652,0.20035034317654093,0.20061748000338703,0.20257117808619485,0.20477176671603428,0.2052477362283723,0.20641731606504382],"n_dims_used":45,"mean_confidence":0.9170589870876736},"coverage":{"mean_confidence":0.9170589870876736,"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}}