{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001403},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001448","480:4800001521","480:4800001524","480:4800001957","480:4800001968","480:4800001557","480:4800001714","480:4800001629","480:4800001838","480:4800001972","480:4800001970","480:4800001401","480:4800001618","480:4800001675","480:4800001611","470:4700005050","480:4800002450","470:4700005356","480:4800002126","480:4800001615","480:4800001736","480:4800002019","470:4700004028","480:4800001612","480:4800002075"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,470,480,480,480,480,470,480,480],"twin_sims":[0.3429827420117276,0.3268315605051898,0.32120823114644614,0.30600252571150366,0.29360360777406047,0.2647760402358237,0.24638023728712902,0.24474340083434282,0.2237672110421816,0.2232096999232419,0.22276075538564166,0.21921005036250932,0.21378676096234692,0.20040378644574924,0.19939583568836092,0.19527208055616185,0.18948801167062865,0.18601920361210744,0.18164949992555124,0.1792998723413235,0.1790176297248278,0.17345314428153533,0.17204760573892688,0.16995479676695285,0.16920156928684144],"twin_dists":[0.18999666719274227,0.19423165710415885,0.19573301821768524,0.19986851699041583,0.20332925870270496,0.21172895125414706,0.2173898166237594,0.21790639812705703,0.22473533249890895,0.22492248438348134,0.22507341796391453,0.2262743729166798,0.22813415476314425,0.2328647033357208,0.23322965193120562,0.234736156359611,0.23688690080162822,0.23819882890399802,0.23987619323493323,0.24078993408465207,0.24090026431676853,0.24310115781884553,0.24366503359481764,0.24451077439501892,0.24481699521668604],"n_dims_used":43,"mean_confidence":0.920118110124455},"coverage":{"mean_confidence":0.920118110124455,"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}}