{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000516},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000451","480:4800000591","480:4800000553","480:4800000590","480:4800000705","480:4800000856","480:4800000518","480:4800000557","480:4800000418","480:4800001014","480:4800000630","480:4800000358","480:4800000450","480:4800000810","480:4800000552","480:4800000897","480:4800001346","480:4800002119","480:4800000595","480:4800000855","480:4800000325","480:4800000417","480:4800000773","480:4800000482","480:4800000815"],"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":[0.5807111665020895,0.44833181995613824,0.3763637816793561,0.37340817134262094,0.34548835447364246,0.2618436844193856,0.2597364058963697,0.19666746770665933,0.18492739423972876,0.18429458143520164,0.18293366329242558,0.17812082261213238,0.14882621441552443,0.1299986508015438,0.11574629201521094,0.1104569531505217,0.10797842439527568,0.10738149917109391,0.10710584648933548,0.10655612086708766,0.09951438713876613,0.09927133833423117,0.08025818301611977,0.0792460336065701,0.06970828967015084],"twin_dists":[0.1354064425557975,0.16450762536541463,0.1815642637308305,0.18229522474540374,0.18934937221870277,0.21261430008466167,0.2132543815903906,0.23422394494167098,0.2386153099471537,0.23885749491554745,0.2393803263362995,0.24125165248215957,0.2535032889446232,0.26234847077603224,0.26971117178770265,0.2726207114288574,0.2740212476429407,0.2743622673269352,0.27452024258652336,0.2748362324496015,0.27900069211204026,0.27914848920846164,0.29171247065875355,0.2924453892631166,0.2997505437314699],"n_dims_used":43,"mean_confidence":0.9250671919002089},"coverage":{"mean_confidence":0.9250671919002089,"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}}