{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001636},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002505","480:4800002328","480:4800001751","480:4800001864","480:4800001921","480:4800001293","480:4800001804","480:4800001306","480:4800001976","480:4800002138","480:4800002365","480:4800002314","480:4800001975","480:4800002459","480:4800002140","480:4800002184","480:4800001922","480:4800001860","480:4800002331","480:4800001747","480:4800002097","480:4800001469","480:4800001692","480:4800001696","480:4800002457"],"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":[0.6433849755539355,0.6371971368299102,0.6130901813988703,0.5901940740180946,0.5893421426915808,0.5581215429967306,0.4364477758663091,0.4238188117479988,0.3434108090730737,0.24824361462677952,0.21267246327139724,0.2112692708410767,0.20951770702890646,0.18859362108710495,0.18213017484499494,0.18166819619254265,0.16128908188097238,0.15477660750938652,0.14215568466175,0.13711955937014042,0.1332047663541454,0.1268500068539075,0.12586697932851598,0.10605162606166085,0.10516822927152172],"twin_dists":[0.12197309819210915,0.12330229301619575,0.12846986280528605,0.13337342934054558,0.13355598892019663,0.14026186336272223,0.16723946895573674,0.1701751553285231,0.18988590361169136,0.21680441834669253,0.22852020585122962,0.22900829839663006,0.22962066625223654,0.237223544592327,0.23969029633831765,0.23986895612047188,0.24809474182843602,0.25088123633764153,0.2565363017284295,0.25889703189736846,0.2607773460658233,0.2639201655313037,0.2644169065615839,0.27512733914127485,0.2756396851552511],"n_dims_used":42,"mean_confidence":0.9106018429710752},"coverage":{"mean_confidence":0.9106018429710752,"n_dims_used":42,"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}}