{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000017},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000009","490:4900000524","490:4900000162","490:4900000625","490:4900000049","490:4900000177","490:4900000350","490:4900000504","496:4960008171","490:4900000597","490:4900000626","490:4900000832","490:4900001208","496:4960007306","490:4900000246","490:4900000813","490:4900001162","490:4900000195","490:4900001570","496:4960008469","490:4900001174","494:4940004353","490:4900000948","490:4900000408","494:4940006275"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,496,490,490,490,490,490,496,490,494,490,490,494],"twin_sims":[0.6044352161279272,0.5229907499022041,0.47201389384368886,0.46950479849164156,0.4190195906266366,0.41212305817381045,0.4098882595814203,0.38813727744242904,0.3785895502731578,0.3586874506175439,0.35188086281902975,0.3493753380286275,0.3489061213277854,0.3401992133158828,0.33728158336047404,0.33145100276375017,0.32995678404569556,0.31553234804727465,0.3104230242166809,0.2863878457108457,0.284229140198036,0.27945984976895916,0.2728474383023248,0.2726832780028483,0.2724782315588046],"twin_dists":[0.13032317977704713,0.14787355382886097,0.15914229088287288,0.15970620447042544,0.17130022501920975,0.17292662784789953,0.17345618521070935,0.17867975014969073,0.18101565198441238,0.18597952944707102,0.18770908579073978,0.1883501112917345,0.18847042528349392,0.19071872001996493,0.19147896845020135,0.19300898198180888,0.193403441291788,0.1972634060423283,0.19865442269099776,0.205383128467958,0.20600358048991638,0.2073845188532687,0.20932306492472688,0.20937155571282373,0.209432148962668],"n_dims_used":45,"mean_confidence":0.918227301703559},"coverage":{"mean_confidence":0.918227301703559,"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}}