{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003804},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002093","490:4900003526","490:4900002988","490:4900003387","490:4900003264","490:4900003126","490:4900003933","490:4900001118","490:4900003528","490:4900003664","490:4900001375","490:4900001641","490:4900003656","490:4900003382","490:4900003802","490:4900002837","490:4900001120","490:4900003253","490:4900003531","490:4900001506","490:4900003120","490:4900001783","490:4900003256","490:4900003523","490:4900002842"],"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":[0.26427541773859314,0.15940049091818914,0.15909244756649646,0.11964595827248765,0.11629135716596578,0.11533433049594351,0.10762664653033582,0.09004830567296278,0.07364706608828579,0.06497751185740251,0.061640668592578454,0.06156239806393036,0.04886591452734408,0.043592360239373275,0.04319833754679053,0.04312393666086911,0.03771283181223476,0.03579743464125281,0.034339521140052176,0.03395766723314734,0.02998844112784693,0.028636310573671577,0.02832343039921093,0.027426671560508126,0.024613934274309256],"twin_dists":[0.21187966590571175,0.24889424282502512,0.2490252999628767,0.267630843378031,0.26941719959319205,0.269934062986227,0.27422203866230993,0.28497960877251177,0.2966414587065922,0.30367943701567285,0.30659366661166293,0.3066635609206898,0.31911486518207793,0.32509498079436017,0.3255657457522,0.32565504232046694,0.33252712694811,0.3351606880018646,0.3372467278370569,0.3378055443343178,0.34395625688945425,0.3462113669254085,0.3467461965458203,0.3483077491923622,0.35350883856734927],"n_dims_used":45,"mean_confidence":0.9218007405598958},"coverage":{"mean_confidence":0.9218007405598958,"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}}