{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002432},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001819","480:4800002334","480:4800001475","480:4800001534","480:4800001533","480:4800001877","480:4800001593","480:4800001700","480:4800001649","480:4800002383","480:4800001590","480:4800002290","480:4800001985","480:4800002092","480:4800001538","480:4800001420","480:4800002287","480:4800001641","480:4800001368","480:4800001876","480:4800001359","480:4800001539","495:4950002404","480:4800001818","480:4800002430"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,495,480,480],"twin_sims":[0.717463020972796,0.5664253127867769,0.45843028280516124,0.4423020951918337,0.43051417264540115,0.4228829911873915,0.3905060185624849,0.38584787752734656,0.3811875014462142,0.3513818943394402,0.3401332506585481,0.29795598587787625,0.29613630814367375,0.2861869995476491,0.28195381847629297,0.2683409495939959,0.25960527446289366,0.24096635121444987,0.2401787454834998,0.2244899921744039,0.21036134888988028,0.20938394966739857,0.20354361828756937,0.2018734705383286,0.19919782870199712],"twin_dists":[0.1058351765314742,0.13847447166424726,0.1622076770601961,0.16589015819673952,0.16861440522318497,0.1703941151848749,0.1781044659574306,0.17923734087914023,0.1803772789473454,0.18783655360107773,0.19073586913797277,0.20210485863993963,0.2026154748282738,0.2054407365362378,0.20666063172203047,0.21066081479747073,0.213294320177624,0.21910699596526684,0.2193588825700978,0.22449316252574192,0.2293252865607279,0.22966757220800024,0.23173590014649453,0.23233483391683785,0.23330149373025152],"n_dims_used":43,"mean_confidence":0.9124418746593387},"coverage":{"mean_confidence":0.9124418746593387,"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}}