{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002211","480:4800001786","480:4800002258","480:4800002155","480:4800002482","480:4800001785","480:4800002483","480:4800001840","480:4800001782","480:4800002536","480:4800001841","480:4800002256","480:4800001780","480:4800001397","480:4800002307","480:4800002055","480:4800002305","480:4800001335","480:4800002528","480:4800002309","480:4800001897","480:4800002248","480:4800002261","480:4800001446","480:4800001956"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8260957495780517,0.6255288087353875,0.5825778263346756,0.5441405094864032,0.5065251533545903,0.49540203206567957,0.47057114953763185,0.4680521238503581,0.46473568397965015,0.4444156770716895,0.4426885379768161,0.4419591312870433,0.43630696866578705,0.4317413634244733,0.41296195957621296,0.40742172229044055,0.400977948182473,0.3906279466508905,0.3827693871381041,0.380398717812344,0.3740317113531281,0.36675841357866434,0.3627569415015601,0.34332458424705137,0.3412146807155487],"twin_dists":[0.08027978834846289,0.12580513194330856,0.13500607504465342,0.1432802015472124,0.15147856644643684,0.1539312025358748,0.159466420861753,0.16003315544819072,0.1607808864911922,0.16540472727329975,0.1658013363281909,0.16596901183124763,0.1672720098368192,0.16832941722524355,0.17272816580003655,0.17404213065329927,0.17558039740286624,0.1780748982824581,0.17998960226545183,0.18057087737469463,0.18214077949173765,0.18395032142337342,0.18495351379706873,0.1899082086181828,0.19045494107766878],"n_dims_used":43,"mean_confidence":0.9203900181969931},"coverage":{"mean_confidence":0.9203900181969931,"n_dims_used":43,"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}}