{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000313},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000507","491:4910000451","491:4910000178","491:4910000470","491:4910000105","491:4910000158","491:4910000159","491:4910000628","491:4910000418","491:4910000094","491:4910000179","491:4910000419","491:4910000112","491:4910000289","491:4910000207","491:4910000814","491:4910000061","491:4910000370","491:4910000312","491:4910000571","491:4910000757","491:4910000332","491:4910000806","491:4910000353","491:4910000502"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.3581912107552075,0.3188891306759384,0.2976986974212522,0.28281163623197214,0.27601739260168057,0.22730140172456403,0.2242204371416109,0.19999795102368859,0.19635474201808717,0.195718159312731,0.1846891494189733,0.17858227975277652,0.15062216752107585,0.13520215966485538,0.13034508148503451,0.12316501496053163,0.12196818870513645,0.1151180430457867,0.10369095388773047,0.10186932162908285,0.09878466380327193,0.09567678173642985,0.09438176187955899,0.0916336173489483,0.08755216900707222],"twin_dists":[0.18610504920024543,0.19635646289187728,0.2021769443627904,0.20641254247968632,0.20839019337214915,0.22355608894192822,0.2245834169729734,0.2330114915913851,0.2343385191182407,0.23457213694095602,0.238706420483657,0.2410706872966511,0.2527039009836631,0.2598128741896896,0.2621773076037087,0.2657976010477309,0.26641654836488765,0.2700513300184719,0.2765039974772157,0.2775830995654524,0.27944528864664975,0.2813681910448079,0.282183964032296,0.28394478334342677,0.2866386395206552],"n_dims_used":45,"mean_confidence":0.889660135904948},"coverage":{"mean_confidence":0.889660135904948,"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}}