{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001846},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004442","490:4900003333","490:4900003340","490:4900004151","490:4900003589","490:4900004010","490:4900002760","490:4900004148","490:4900002490","490:4900002189","490:4900001697","490:4900002611","490:4900003061","490:4900001207","490:4900003621","490:4900004585","490:4900003622","490:4900004434","490:4900001173","490:4900001866","490:4900002465","490:4900000924","490:4900001993","490:4900001695","494:4940007073"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.6826425342608592,0.6689286855169958,0.6537051900165692,0.6493728159957011,0.6488800183707378,0.6461197521796082,0.6321433578422387,0.6206325256709142,0.6117873742046873,0.5881848176272324,0.5615992962889128,0.5613020666825287,0.5374501716575477,0.5299471599975997,0.5177867660490574,0.5122887676178215,0.5044578318228106,0.4909083888225638,0.4902421613895477,0.4888411021551461,0.48630428455731595,0.4750288963586386,0.46531992097368924,0.4622784990469788,0.4553181833445465],"twin_dists":[0.11348740547232751,0.11646459048785972,0.11975227922981224,0.12068523826904766,0.12079129594277957,0.12138511997314747,0.1243868220104566,0.126854351940334,0.1287488554468483,0.13380401416403565,0.13951284988886825,0.13957684022001898,0.14472927883754827,0.1463585758450086,0.1490098809591844,0.1502133972431631,0.1519332821302532,0.15492646418789544,0.1550742497188161,0.1553852350595737,0.15594900465287137,0.15846599709126846,0.16064902997892028,0.1613360827887139,0.16291446579932775],"n_dims_used":45,"mean_confidence":0.9063069661458333},"coverage":{"mean_confidence":0.9063069661458333,"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}}