{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012312},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012369","490:4900012299","490:4900012524","490:4900012922","490:4900012449","490:4900012525","490:4900012522","490:4900012661","490:4900012797","490:4900012516","490:4900012441","490:4900012311","490:4900012374","490:4900012451","490:4900012793","490:4900012864","490:4900000539","490:4900013291","490:4900012308","490:4900012371","490:4900012597","490:4900012663","490:4900012592","490:4900012664","490:4900012372"],"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":[0.3098153958839146,0.2572334713375109,0.24024824489452815,0.18641338799326884,0.18102358598122248,0.15495443009903753,0.14874281523781216,0.13910512879435596,0.11228373071250845,0.11053875634542598,0.11009583618892008,0.10965812979962672,0.0941549501429257,0.09310256388910038,0.09196727986755453,0.08901012484814214,0.08289359267163436,0.08118011911991078,0.08020396090359819,0.07602937896446585,0.07500537925209536,0.07463776670790992,0.07362855825555623,0.06528159666938722,0.06377376409643253],"twin_dists":[0.1988207169297486,0.2140189028985551,0.21933663419916882,0.23804888573884336,0.2401187820220277,0.25080402544173835,0.25354058270678503,0.2579586741734231,0.27160393531582494,0.27257490338219964,0.2728232432519028,0.27306942007612944,0.282327746036416,0.28299847805301404,0.28372878913332356,0.2856651363929021,0.28983827827409336,0.2910512991935687,0.29175154552197446,0.2948256961043783,0.29560046410711294,0.2958806854059584,0.2966557496228484,0.30341999800991537,0.3047162922679976],"n_dims_used":45,"mean_confidence":0.9129109700520833},"coverage":{"mean_confidence":0.9129109700520833,"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}}