{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001421},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001555","490:4900003032","490:4900006633","490:4900001536","494:4940008833","494:4940004899","490:4900001855","494:4940008665","490:4900002882","490:4900001151","494:4940008781","494:4940008306","494:4940007903","490:4900007002","490:4900000329","494:4940008580","490:4900006277","490:4900006280","490:4900006886","490:4900001416","494:4940007695","494:4940007156","494:4940007364","490:4900000347","494:4940007810"],"twin_admin_codes":[490,490,490,490,494,494,490,494,490,490,494,494,494,490,490,494,490,490,490,490,494,494,494,490,494],"twin_sims":[0.5145387886919462,0.35441770161626557,0.3166437993362022,0.24872188770286133,0.24754309981977426,0.23790115899342731,0.23657181028809357,0.23001490953409887,0.2281613906021441,0.20285565868800487,0.20210301459656266,0.20079698545610977,0.18925379723756847,0.17139658541503086,0.15024241601864874,0.14970615575437737,0.14872573370531184,0.14675033376167276,0.1449176270334234,0.1431108741115656,0.13859512127454843,0.13792403984697846,0.13218595032646657,0.12652789869733813,0.12242663727068746],"twin_dists":[0.1497204823681368,0.18706246825376294,0.19696251082309257,0.21665461916318673,0.21702415993014537,0.22009031915380592,0.2205193438019418,0.22265890186805268,0.22327098143438798,0.2319821999463895,0.23225231557231707,0.23272268079591116,0.23697495020095105,0.24392732839515974,0.25287234271185893,0.2531107398125335,0.2535482229896445,0.25443618931218387,0.255267952099028,0.2560956024605653,0.258198737772317,0.2585156273748191,0.2612734892885339,0.26408260991194127,0.26617891394710547],"n_dims_used":45,"mean_confidence":0.9144334581163195},"coverage":{"mean_confidence":0.9144334581163195,"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}}