{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005455},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007196","490:4900006339","490:4900006340","490:4900007453","490:4900005186","490:4900005454","490:4900006705","490:4900006220","490:4900007452","490:4900005326","490:4900007073","490:4900007694","490:4900006946","490:4900006213","490:4900006218","490:4900005716","490:4900007074","490:4900006221","490:4900003953","490:4900007320","490:4900005329","490:4900005327","490:4900005848","490:4900006224","490:4900007192"],"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":[0.008382800526523331,0.008351252843338972,0.004571713461042435,0.0037864233020517934,0.002621604779831643,0.0026090497640471003,0.0013252669728748582,0.0010991798286089866,0.0008303469435196913,0.0007883945098618955,0.0005944418164074536,0.0003155759079282069,0.00025636908562368777,0.0002519762183248524,0.00019451666212408897,0.0001489122101480167,0.0001425674607494109,0.0001269957875123356,0.00010627569845666151,0.00008978802296382023,0.00007063744874326666,0.000047749235514003264,0.00004464427322329541,0.000029854717076246295,0.00002300548357505876],"twin_dists":[0.40162824693656096,0.40178656653662015,0.42633136593546406,0.4337237566998335,0.4477927920097015,0.44797358225201017,0.4727909904927427,0.4794177679358347,0.4891862493323328,0.49097063621715664,0.5005777120937684,0.5214783743180912,0.5281563608462747,0.5287080424370082,0.536901593332383,0.5452301629982348,0.5465755187589396,0.5501332630922877,0.5555675939076858,0.5606625799726778,0.5678337786838557,0.5793493297284957,0.5813035960764928,0.5928643799453338,0.6002331201355774],"n_dims_used":45,"mean_confidence":0.9053040398491754},"coverage":{"mean_confidence":0.9053040398491754,"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}}