{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013269},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012621","487:4870001055","487:4870000966","490:4900003702","490:4900012758","494:4940008050","490:4900012692","466:4660011636","490:4900001101","490:4900012691","466:4660011797","494:4940007636","494:4940007845","486:4860000903","494:4940005455","474:4740005465","487:4870000502","490:4900012690","487:4870000503","496:4960010350","490:4900003568","490:4900012624","490:4900003703","466:4660013093","494:4940004450"],"twin_admin_codes":[490,487,487,490,490,494,490,466,490,490,466,494,494,486,494,474,487,490,487,496,490,490,490,466,494],"twin_sims":[0.018977786956182453,0.010224339028627714,0.0031916911666666453,0.0026673112982360664,0.0011253136282673114,0.0010419539499617147,0.0010076100869258638,0.0009963520347122706,0.000978605043122635,0.0006307005851083171,0.0006029688331669945,0.0005645473799098408,0.0005311904445110795,0.0005141408656714528,0.00047971626194599423,0.0004414738395809925,0.00038898364531755793,0.0003877848181791563,0.00037308251792207665,0.00029135705079660803,0.0002651250919705676,0.0002377513308552517,0.00017557222234237962,0.0001634328979435257,0.00013693000817188638],"twin_dists":[0.3657061747566615,0.39319956164883757,0.44031873434619884,0.4471412552408115,0.4785903405227794,0.4812952082318758,0.48246839044234957,0.48286104482896464,0.4834884559738471,0.4985786441438161,0.5000975632849027,0.5023133584613592,0.5043543220734185,0.5054441832242907,0.5077516372594163,0.510503943111424,0.5146692840002312,0.5147704354445126,0.5160353501597708,0.5240547753744578,0.5270827318522322,0.5305586692320358,0.5401111299463802,0.5423440426908388,0.5478191672146272],"n_dims_used":45,"mean_confidence":0.9152230156792535},"coverage":{"mean_confidence":0.9152230156792535,"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}}