{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002103},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002259","490:4900002262","490:4900002260","490:4900002265","490:4900003964","490:4900001952","490:4900002566","490:4900001949","490:4900002272","490:4900003821","490:4900001530","490:4900002706","490:4900001254","490:4900010362","490:4900010357","490:4900001803","490:4900002862","490:4900004102","490:4900001661","490:4900009374","490:4900002574","490:4900002118","490:4900001659","490:4900001799","494:4940008705"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.7383823078950539,0.611230941586378,0.5971794579868324,0.5259547846274901,0.3909566562321011,0.323359997167363,0.31044390122456406,0.26026472705446724,0.2447202670510747,0.19790465081519404,0.19031471270537972,0.18396390309832739,0.17738957344755932,0.1717600113135364,0.1693919054953171,0.1665296549313662,0.15470682034338384,0.14813447971983917,0.1478933909597397,0.14201378205691184,0.14174545883401485,0.13024350048138147,0.13023360560360575,0.12706840966871175,0.1226801724194107],"twin_dists":[0.10115105937695518,0.1288680106579316,0.13187698855414934,0.14722750041255034,0.17799520741330205,0.19515680783377606,0.1986487124370602,0.21309359962401012,0.21791371501858936,0.23377190720565608,0.23657672196827498,0.23898428248203826,0.24153910255869815,0.2437808170155833,0.2447395226897328,0.24591122019102235,0.25091155579582713,0.2538130809332975,0.2539213029360769,0.2566019595208873,0.256726245155439,0.2622274607508467,0.26223234768342785,0.26381019919973014,0.2660477863873503],"n_dims_used":45,"mean_confidence":0.9205508761935763},"coverage":{"mean_confidence":0.9205508761935763,"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}}