{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":497,"cluster_id":4970001363},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["497:4970000772","497:4970000379","490:4900010315","497:4970001098","497:4970001346","497:4970000426","490:4900004058","490:4900010041","490:4900010567","497:4970001009","490:4900011508","497:4970001278","497:4970000832","490:4900010030","497:4970000429","490:4900004059","490:4900009842","497:4970001073","490:4900011507","490:4900004882","490:4900007649","491:4910005926","490:4900010598","497:4970001236","490:4900010403"],"twin_admin_codes":[497,497,490,497,497,497,490,490,490,497,490,497,497,490,497,490,490,497,490,490,490,491,490,497,490],"twin_sims":[0.10990427526534906,0.056491373653214015,0.00613841185882242,0.0021268311106608486,0.0018319639343058426,0.001825273523806991,0.0017900872162256375,0.0016025556662595509,0.000993584550964076,0.0007642282633272646,0.0007329264511398756,0.0005494850789428999,0.0005129630933988366,0.00038835975223117824,0.0003498731594118303,0.0003271311159259928,0.00031703342898126895,0.0003046338655900678,0.00026271591355283506,0.0001681420580537909,0.0001616609050557793,0.00012780286982541216,0.00010769299832352431,0.00010723360195842444,0.00008959927785027552],"twin_dists":[0.27293088848002106,0.3113558925560833,0.41450879498803944,0.45560303895454235,0.4610952818485411,0.4612291027907434,0.46194041783832324,0.46596372943737163,0.4829581982173582,0.4920390223025222,0.4934705933579976,0.5032206166080039,0.5055207109349614,0.5147218887060167,0.5181305150841747,0.5203138781005205,0.5213293066458714,0.5226185498518165,0.5273747752917693,0.5414598479720044,0.5426829841634124,0.5499389918042965,0.5551652328576147,0.5552951010155623,0.5607258846473442],"n_dims_used":45,"mean_confidence":0.8910708957248263},"coverage":{"mean_confidence":0.8910708957248263,"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}}