{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002138},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002184","480:4800002318","480:4800002457","480:4800002134","480:4800002183","480:4800002412","480:4800002459","480:4800002186","480:4800001860","480:4800002505","480:4800002234","480:4800002331","480:4800001469","480:4800001864","480:4800002314","480:4800001306","480:4800001636","480:4800001751","480:4800001934","480:4800002031","480:4800002233","480:4800001921","480:4800001304","480:4800002414","480:4800001752"],"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":[0.9178669681451467,0.7114514850872384,0.6581729919724424,0.6298544094206996,0.6258167509201478,0.5163019414866431,0.44971211557562707,0.4385495087300337,0.42140121242407214,0.4016202051042177,0.39544631572398686,0.361951373096239,0.29183235978399485,0.26081995700356414,0.2516871094382833,0.2497714042969502,0.24824361462677952,0.2471979789584445,0.22562464500508822,0.21660609201856382,0.20843396948139292,0.19519888563313328,0.1827384022674102,0.18126422814706505,0.18062508041918843],"twin_dists":[0.053769547822383676,0.10716778876315756,0.11878901330155944,0.12487775815651786,0.1257434136484072,0.14933459967578497,0.16419213713612882,0.1667542463409638,0.1707412323655551,0.17542658099573402,0.1769098607914309,0.18515614980381054,0.20383061215574574,0.21292484953273585,0.21572997502578137,0.216326547054158,0.21680441834669253,0.2171325662147806,0.22411403769561802,0.22716342223869235,0.23000129880745754,0.23476309433777495,0.2394555656470521,0.24002544497917622,0.24027354223515426],"n_dims_used":42,"mean_confidence":0.9113128298804873},"coverage":{"mean_confidence":0.9113128298804873,"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}}