{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003221},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002185","490:4900001168","490:4900003618","490:4900002027","490:4900000671","487:4870001869","490:4900001293","494:4940008023","490:4900002486","494:4940008135","490:4900001594","494:4940008676","494:4940007494","490:4900002172","494:4940008524","490:4900000695","490:4900001035","490:4900003219","490:4900004324","490:4900001725","494:4940008432","496:4960004819","490:4900005530","490:4900001334","490:4900001294"],"twin_admin_codes":[490,490,490,490,490,487,490,494,490,494,490,494,494,490,494,490,490,490,490,490,494,496,490,490,490],"twin_sims":[0.7239288901280003,0.6570898793958503,0.592372073964074,0.5823510631398964,0.5511098164955509,0.5326004413659766,0.5213256655200414,0.5092093442445932,0.49938156508296405,0.49021203515062184,0.4549425689132951,0.4473026515856184,0.4423193614935237,0.43887492367141856,0.43800589696251113,0.43423456410186495,0.42731174159390267,0.4154359791028488,0.4125799384619139,0.41196407598680546,0.40551699126671703,0.3981016214023029,0.3968133847374545,0.39186572355860905,0.3879025957553848],"twin_dists":[0.10439551864171347,0.11902264710261856,0.13290676810537852,0.13505470672993897,0.14177407246878032,0.1457818733827565,0.14823684808415796,0.15088889943827177,0.15305197979376547,0.15508093386972113,0.16299988995004228,0.1647430960083428,0.16588618898636126,0.16667920055546245,0.16687966063416826,0.16775143227022615,0.16935966373879682,0.1721438937954125,0.17281852018414093,0.17296425868701534,0.1744956903082575,0.1762706355010128,0.1765805140310818,0.17777498011966467,0.1787368359586814],"n_dims_used":45,"mean_confidence":0.9133916219075521},"coverage":{"mean_confidence":0.9133916219075521,"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}}