{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000779},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000801","490:4900001033","490:4900001026","496:4960007783","490:4900002923","490:4900000780","490:4900000658","490:4900002454","490:4900000584","490:4900002337","490:4900000900","490:4900001046","490:4900000784","496:4960008258","494:4940008596","490:4900001036","490:4900000557","490:4900001040","490:4900001431","496:4960007904","490:4900001016","490:4900001182","496:4960008579","487:4870007762","494:4940008661"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,496,494,490,490,490,490,496,490,490,496,487,494],"twin_sims":[0.6814479809270458,0.6212902685659251,0.5741400579233399,0.5405168961368285,0.5312932504504326,0.5238118075452973,0.49352399256680696,0.48910241857247294,0.4808016875791728,0.4223550445772907,0.4001444787152927,0.38558094101978396,0.3821245712693026,0.3709354894112029,0.3705623089131378,0.36395049041732547,0.36171954222575936,0.35411240079120887,0.35125619611795184,0.33900099968467434,0.3278760935559959,0.3160825937696695,0.3152727635582716,0.3096985478577842,0.30116542298068355],"twin_dists":[0.11374741859179334,0.12671343110207095,0.13681670494509868,0.14406463330813898,0.14606592173398186,0.14769451008971946,0.15434683220368003,0.15532721182110867,0.15717500232171988,0.17051773173525905,0.17578017446400834,0.1793024560894958,0.18014753580316456,0.18290894197874588,0.1830017406388658,0.18465370232049083,0.18521450792117447,0.1871401592247887,0.18786867969221896,0.1910305130506117,0.19395436153449472,0.19711436714022484,0.19733376789595572,0.19885271703479127,0.20120870382720252],"n_dims_used":45,"mean_confidence":0.9156010945638021},"coverage":{"mean_confidence":0.9156010945638021,"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}}