{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001802},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001914","480:4800001799","480:4800001786","480:4800001859","480:4800001785","480:4800001840","480:4800002528","480:4800001689","480:4800001841","480:4800001744","480:4800002307","493:4930005722","480:4800001800","480:4800002291","480:4800002255","480:4800002338","480:4800002074","480:4800002120","480:4800002021","480:4800002435","480:4800002400","480:4800002529","480:4800001973","480:4800002261","480:4800001690"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,493,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6763781085143522,0.5938531178749127,0.5017342740187078,0.45450738287852,0.4259094634516124,0.3811335406474333,0.3549345030125733,0.33398476774652736,0.3290076266510778,0.32682672426339193,0.30243686692154303,0.28854092814456345,0.28671238029420576,0.26286423101122275,0.2529465445282724,0.24812064184465563,0.24748141039830443,0.24308764023202442,0.2349279784315567,0.2315289007784684,0.23087580791659468,0.22662967436878834,0.22421092935021128,0.22354453340418448,0.21974885966750027],"twin_dists":[0.1148494457921431,0.13258948254421574,0.15253310784160193,0.16309889439262767,0.1696867192585865,0.1803905168865899,0.18693103493989932,0.1923423085441466,0.19365451905783676,0.19423294213476644,0.20085522813941534,0.204767082118934,0.20529009445656338,0.21230547219616586,0.21533934911632727,0.21684296435950343,0.21704353013529093,0.21843122347763047,0.22105204589904792,0.2221613537149418,0.2223757181220336,0.22377928056078025,0.22458660176139414,0.22481004624065645,0.22609129773215855],"n_dims_used":43,"mean_confidence":0.9210715182991915},"coverage":{"mean_confidence":0.9210715182991915,"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}}