{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011526},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011189","490:4900011261","490:4900011113","490:4900011725","490:4900011595","490:4900011191","490:4900011529","490:4900012196","490:4900011729","490:4900011528","490:4900011604","490:4900010786","490:4900010949","490:4900012209","490:4900011461","490:4900011601","490:4900011921","490:4900011731","490:4900011118","490:4900011115","490:4900012064","490:4900011119","490:4900011401","490:4900011534","490:4900010702"],"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":[0.6478037036583555,0.5514375146890018,0.5187445056920555,0.5022406902373058,0.48854288781341493,0.473980785588973,0.4585347065219984,0.43825034686835973,0.4367513501090513,0.41793961190696804,0.38004140631571676,0.37938212344496297,0.3655720863813806,0.3541917130193569,0.34074965069671426,0.3347355966471013,0.333708307533237,0.3303343752326359,0.30659901939954914,0.3054530629848521,0.2991042016017505,0.2971590588164679,0.28746465670787413,0.2848449933740678,0.27893374337686555],"twin_dists":[0.12102289203252213,0.14170333230628823,0.14880055024417987,0.15242150963133833,0.15545146261360254,0.15870093683820802,0.1621839914603913,0.1668232570840834,0.16716932639163373,0.17155415216749184,0.1806586393624919,0.18082067557574724,0.18424716291934853,0.1871199730278785,0.19057568553224277,0.19214528325689514,0.19241491524317925,0.19330366854223155,0.19970410258563734,0.2000201319456509,0.20178360197195053,0.20232825643364444,0.2050746826609577,0.20582628472771788,0.20753772431453205],"n_dims_used":45,"mean_confidence":0.9152795579698351},"coverage":{"mean_confidence":0.9152795579698351,"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}}