{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001552},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001551","489:4890002055","489:4890001798","489:4890002057","489:4890002054","489:4890001972","489:4890002220","489:4890001966","489:4890002304","489:4890001802","489:4890002056","489:4890002385","489:4890002548","489:4890001714","481:4810004189","481:4810004588","489:4890001800","481:4810004486","481:4810004686","481:4810004587","470:4700008595","481:4810004487","481:4810004389","481:4810004485","481:4810004289"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,481,481,489,481,481,481,470,481,481,481,481],"twin_sims":[0.8500769189208472,0.7319914612375983,0.6284796106625837,0.6105375619920667,0.5945348038604445,0.5679309107034063,0.502951020531499,0.4677683996153673,0.4075751033198568,0.34894881439451303,0.3468971153305417,0.3397749619551774,0.335527830812618,0.29639601029520185,0.2941034659050503,0.28407867894628747,0.28156697235477834,0.2774497065828436,0.27522430964628575,0.2711914951026169,0.2700938757336659,0.2692602117781893,0.2672116054834682,0.2545892640724875,0.23897404129724767],"twin_dists":[0.07402354532299392,0.10259039366045687,0.12517255555423712,0.12901648951690442,0.13244345525707252,0.13815074705499364,0.15226502707585646,0.1600970531013411,0.17400564815648306,0.18845947464876994,0.18898652812335204,0.19082904901095743,0.1919376528679386,0.20254248760568155,0.20318809776370764,0.20604693140555763,0.20677266076062734,0.2079708353048398,0.20862296753471019,0.20981303483760189,0.2101388222087153,0.21038681131639692,0.21099823501208043,0.21483169868654775,0.21974520286329965],"n_dims_used":45,"mean_confidence":0.9181033664279514},"coverage":{"mean_confidence":0.9181033664279514,"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}}