{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003698},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003177","490:4900003442","490:4900002431","490:4900004406","490:4900003565","490:4900003716","490:4900003186","490:4900003039","490:4900004541","490:4900004137","490:4900002293","490:4900002892","490:4900004124","490:4900003564","490:4900003030","490:4900003731","490:4900002284","490:4900003707","490:4900003572","490:4900003441","490:4900004264","490:4900001023","490:4900005892","490:4900002446","490:4900002739"],"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":[0.5445075654561313,0.531175600619112,0.48577796767795256,0.4841236240809004,0.483234152810854,0.4670304175722277,0.4639066534329587,0.46119248684144665,0.4497780952909013,0.4346484432121871,0.43358089526124066,0.4240471022441338,0.4041791386722708,0.39653450508132054,0.38080388073278687,0.3705001145797781,0.3572145563684019,0.3474467257115044,0.3386356766385984,0.338212179963549,0.3379837597923739,0.32046513070739985,0.31674857660519207,0.3083321148014454,0.3070651830964699],"twin_dists":[0.1432007949356506,0.14609149380333986,0.15606608295490731,0.15643434378929744,0.15663250357485956,0.16026331649014705,0.160968089437268,0.16158179528546426,0.16417706553951994,0.16765561412999996,0.16790283928202016,0.17012177142548954,0.1748148313168445,0.17664765777152616,0.18047141036017264,0.18301721098877113,0.18635234675328144,0.1888451801089977,0.19112569332995005,0.19123609920858636,0.19129567942471223,0.19593251047063284,0.1969341760589123,0.19922744507607396,0.19957574012291304],"n_dims_used":45,"mean_confidence":0.9242442660861545},"coverage":{"mean_confidence":0.9242442660861545,"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}}