{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001467},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002340","490:4900004437","490:4900001870","490:4900001703","490:4900001030","490:4900002332","490:4900002467","490:4900003598","490:4900001697","490:4900003354","490:4900002793","490:4900001598","490:4900003325","490:4900002318","490:4900005541","496:4960005558","490:4900003751","490:4900000954","493:4930005013","487:4870005576","490:4900003227","496:4960006757","490:4900001205","496:4960004357","490:4900001564"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,493,487,490,496,490,496,490],"twin_sims":[0.5651620004448092,0.5080741750951142,0.49301174743154447,0.4898665684388826,0.46165890060342485,0.4423318659404486,0.43236129514013527,0.43103787168003255,0.4224538400091925,0.41853944855710223,0.4152949340280497,0.4101992244083158,0.4098301680255437,0.40893304759341137,0.3887530428025954,0.3861672341915151,0.3758997854368862,0.3717120799362323,0.37052556389376823,0.3704665257981904,0.3694514645849433,0.3631897546468425,0.36094712707693966,0.359398629106229,0.34392018160149407],"twin_dists":[0.1387461812443217,0.15113817549059141,0.15446027722776395,0.15515759183220848,0.16147624321529996,0.16588331447768445,0.168185576503745,0.16849274740436948,0.17049459425825098,0.17141308269252867,0.17217716294187807,0.17338242343653873,0.1734699674236148,0.17368291833475683,0.17853004388987723,0.1791594666505486,0.1816788294822561,0.1827159757186592,0.18301088051682263,0.1830255664693963,0.18327824896642533,0.18484473641745847,0.18540908314880486,0.1857997977428136,0.18975419769808147],"n_dims_used":45,"mean_confidence":0.9171038309733073},"coverage":{"mean_confidence":0.9171038309733073,"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}}