{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009659},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009554","490:4900009552","490:4900009556","490:4900009649","490:4900008928","490:4900008926","490:4900009456","490:4900009658","490:4900009451","490:4900008694","490:4900008702","490:4900008814","490:4900008810","490:4900009243","490:4900009639","490:4900009348","490:4900009655","490:4900009457","490:4900009034","490:4900009145","490:4900009546","490:4900008812","490:4900008925","490:4900009657","490:4900008699"],"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":[0.035479439625407796,0.021706601892921867,0.015019735616295047,0.012984332546359941,0.011793941889410258,0.010356724457181742,0.00869084130157477,0.006971053504966731,0.00694000118649848,0.003527959225031154,0.002234764202815181,0.0017843605935425205,0.001761543342067533,0.0014082876242207908,0.0013871435745909245,0.0012255396686084896,0.001203703481936088,0.0011361338026164495,0.001017289075600686,0.0009437168777358662,0.0008772845762120878,0.0008376080477494318,0.0007051906227803331,0.0005444544172498426,0.00044039871913630025],"twin_dists":[0.3356094421922297,0.3594563019049774,0.3763398830167953,0.3828109429775414,0.3870246332532393,0.39264729587896974,0.40010978339570635,0.40929997390007905,0.4094839125909486,0.4364646855015732,0.453766648037051,0.4620574019058074,0.46252697530899617,0.47061829178425246,0.47116017608717176,0.4755738431109435,0.4762110586841333,0.4782529616067279,0.48213404976656965,0.4847532610426977,0.48728655397240006,0.4888859475864932,0.4947874487312294,0.5035288084685104,0.5105844987287629],"n_dims_used":45,"mean_confidence":0.8778622097439236},"coverage":{"mean_confidence":0.8778622097439236,"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}}