{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011659},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011791","490:4900011528","490:4900011857","490:4900011860","490:4900011463","490:4900011196","490:4900011192","490:4900011601","490:4900012064","490:4900011104","490:4900012212","490:4900011041","490:4900011277","490:4900011412","490:4900011329","490:4900011611","490:4900011266","490:4900011544","490:4900011479","490:4900011664","490:4900011481","490:4900012066","490:4900011530","490:4900011804","490:4900008723"],"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":[0.6042565606351021,0.4728021439863548,0.44565070189008676,0.3785087873832266,0.35544173482743174,0.33281141887364923,0.3235369442990185,0.3158101758942102,0.26778532220651824,0.26579815342586377,0.265312971641812,0.2639018398248695,0.26225706243017044,0.2565385218651404,0.2549677908435696,0.23699375469778036,0.23673179760739632,0.23446160093189763,0.23328951470670267,0.23132744016377751,0.23099161130264734,0.22727163433183198,0.22151791654575634,0.21420259870752503,0.20731453361664937],"twin_dists":[0.1303614352073861,0.15896534091127903,0.16512148678021638,0.1810355311097756,0.1868021315980151,0.192650690779721,0.19510951938778082,0.19718813554507214,0.21082671223077115,0.21142179031657934,0.21156750305435781,0.21199224937020533,0.21248911696502729,0.21423200731831105,0.21471501741813992,0.22038299839436962,0.22046762747313225,0.22120362473313046,0.2215854427634873,0.2222274365326619,0.22233767891890216,0.22356597034724515,0.2254923176228639,0.22799043540489197,0.2303958874628889],"n_dims_used":45,"mean_confidence":0.9151654561360677},"coverage":{"mean_confidence":0.9151654561360677,"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}}