{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002675},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001773","490:4900003516","490:4900003117","490:4900002527","490:4900002977","490:4900002377","490:4900002534","490:4900002997","490:4900002526","490:4900002529","490:4900001115","490:4900004085","490:4900003137","490:4900002383","490:4900001928","490:4900001771","490:4900002978","490:4900003798","490:4900002535","490:4900002234","490:4900003809","490:4900001914","490:4900001497","490:4900003122","490:4900002976"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4801229309480433,0.44099640413214347,0.42515934212758105,0.4210879400539334,0.3955606568299846,0.307267821375473,0.2856918571396976,0.27138607295661804,0.24206463107423992,0.23062290525254917,0.22455202573668553,0.1981294851387467,0.19649295613390189,0.17609308164317022,0.1652957413031013,0.15412398672143598,0.15401622144413607,0.15171360355145272,0.14281940590842399,0.14280246845228745,0.13529628262726565,0.1307646741078965,0.130537928916857,0.12721268449442075,0.1267718108707283],"twin_dists":[0.1573265362029587,0.16619048726810356,0.16986185416913563,0.17081468437234393,0.17688229429550625,0.19951997684784725,0.2055828604376397,0.20975536662330294,0.21875664155959426,0.22245883555503562,0.22447240218896047,0.2336899680425351,0.23428786565408857,0.24205082451585974,0.2464208170322838,0.2511651632975479,0.25121213195830006,0.25222151899088024,0.2562298458593965,0.2562376531091999,0.25976769009106304,0.26197045591723367,0.2620821749677263,0.26373763500625824,0.2639595722740461],"n_dims_used":45,"mean_confidence":0.9137794494628906},"coverage":{"mean_confidence":0.9137794494628906,"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}}