{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000072},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000217","490:4900000092","490:4900000435","490:4900000354","490:4900000179","490:4900000778","490:4900000131","490:4900000066","490:4900000600","490:4900000132","490:4900000183","490:4900000402","490:4900000113","487:4870010191","490:4900000089","494:4940008659","490:4900001225","490:4900000725","496:4960007552","490:4900000200","487:4870004126","487:4870004272","490:4900000244","480:4800003969","490:4900000050"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,494,490,490,496,490,487,487,490,480,490],"twin_sims":[0.591787324166719,0.5186542906959657,0.50042773344591,0.419752320437855,0.345073092205236,0.30900056841913803,0.2926925957083089,0.2642022061719964,0.2629752567089568,0.23358908576093698,0.22214637799862033,0.214746932277807,0.2003698192316661,0.1985810387407242,0.18487832833248888,0.17267249445222863,0.16246536526781463,0.1579541720859932,0.15024029237378034,0.14947766142182808,0.1399131005378774,0.13308990415677865,0.12984261304251413,0.12772553839162465,0.12020739631541111],"twin_dists":[0.13303204930392207,0.148820264363395,0.15282117177389082,0.17112810234200218,0.18945647757798464,0.19904401071998357,0.20358689683810902,0.21190172150710543,0.21227191998551206,0.22148773520475637,0.2252802987043552,0.22780259061121905,0.2328769812159231,0.2335255966788615,0.23863406716930302,0.24341393466885747,0.24760021333877852,0.2495111887230068,0.25287328555176014,0.25321250921677696,0.25757969835823075,0.26083313859428553,0.2624256778133739,0.26348019449658855,0.2673356286960703],"n_dims_used":45,"mean_confidence":0.915747324625651},"coverage":{"mean_confidence":0.915747324625651,"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}}