{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001470},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002190","490:4900001466","490:4900003755","490:4900001331","490:4900001165","490:4900001080","490:4900001201","490:4900001202","490:4900003895","490:4900002343","487:4870004560","490:4900003896","490:4900001166","490:4900002331","490:4900002767","490:4900001596","490:4900002178","490:4900003074","490:4900004185","490:4900001214","490:4900001722","490:4900001468","490:4900002327","490:4900001597","496:4960012128"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490,490,490,496],"twin_sims":[0.824734897146021,0.7514682715014965,0.7314586629486481,0.7248495745997924,0.6813356397034817,0.6209272306692795,0.6160790758703877,0.6076619750834804,0.5944998114270406,0.5803910994477258,0.5538342520193626,0.5412057536863694,0.5395834862104744,0.5338518041677477,0.5319004805763609,0.5218430390169371,0.5189788229211623,0.5076423983280932,0.5057060613087128,0.4982283320469264,0.4952871887421028,0.4949947990229107,0.4912162379443043,0.48598556022433087,0.4834393236396941],"twin_dists":[0.08062544595702245,0.09817794686434331,0.1027100409128192,0.10418996153076454,0.11377186424908514,0.126791212563052,0.12782974561683505,0.12963224204689724,0.1324509509975721,0.13547510176202698,0.14118615087241987,0.14391543674863805,0.1442668532661433,0.14551009105972096,0.14593395454502844,0.148123936991358,0.14874935017772392,0.1512330291326358,0.1516586696652608,0.15330656560997297,0.15395660544816558,0.15402128862917994,0.15485819588494137,0.15601989969463276,0.15658678475599752],"n_dims_used":45,"mean_confidence":0.9175582885742187},"coverage":{"mean_confidence":0.9175582885742187,"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}}