{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001341},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930004881","493:4930004882","493:4930004994","493:4930004451","487:4870013030","487:4870008699","487:4870013035","487:4870004314","490:4900003357","496:4960000568","478:4780001754","487:4870012256","496:4960006227","490:4900004714","487:4870011342","490:4900004998","487:4870011812","493:4930006087","490:4900001475","493:4930007106","490:4900001210","496:4960000018","490:4900005276","466:4660000896","493:4930004294"],"twin_admin_codes":[493,493,493,493,487,487,487,487,490,496,478,487,496,490,487,490,487,493,490,493,490,496,490,466,493],"twin_sims":[0.658604242129656,0.6075798796255517,0.5973800329111685,0.5103074040301164,0.48695604573419743,0.4568437977448801,0.4345659429708801,0.4309144175469763,0.42060677488842535,0.41908914297269734,0.4044159862416823,0.3982378386444581,0.3856407695051144,0.38470973341067016,0.3840540996532303,0.3839438478142481,0.3798824665787918,0.37904912285852776,0.3772575803648971,0.3751358623816663,0.37474488233854325,0.3723228377040999,0.3715598240617634,0.36555517187078224,0.3595690896466697],"twin_dists":[0.11869596927340346,0.12964982094390073,0.1318340301375696,0.15064790937310066,0.15580407526389162,0.16256776597961994,0.16767471104293127,0.1685214209853064,0.17092754661062856,0.17128388126240396,0.17475829760930794,0.17623789601157375,0.17928785995391944,0.17951512361413804,0.1796753195075754,0.1797022709787645,0.18069769056619814,0.1809025710821242,0.1813437692023291,0.18186760123760626,0.18196428851895455,0.18256435548034677,0.18275379232680494,0.18425139874764593,0.18575674535458692],"n_dims_used":45,"mean_confidence":0.9164888170030382},"coverage":{"mean_confidence":0.9164888170030382,"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}}