{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001945},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008950","490:4900008075","490:4900010115","490:4900007950","490:4900004387","490:4900010117","490:4900010209","494:4940008937","490:4900008273","490:4900009067","494:4940008475","490:4900008054","490:4900004252","490:4900006872","490:4900006614","490:4900003004","494:4940009002","490:4900001795","490:4900008166","490:4900007938","490:4900007827","490:4900011813","490:4900001394","494:4940009001","490:4900010210"],"twin_admin_codes":[494,490,490,490,490,490,490,494,490,490,494,490,490,490,490,490,494,490,490,490,490,490,490,494,490],"twin_sims":[0.15740265731558423,0.14326336487777175,0.07288584865705955,0.06893176648908814,0.05642573524881881,0.0293894764435763,0.025757979391620344,0.018013717174451264,0.016967453583055396,0.016759691556041623,0.014002088854720806,0.013929554892296324,0.013548911920649172,0.013176499370654696,0.012470196431699127,0.012409988065900195,0.012268360926293012,0.010322169872629527,0.009661359020681812,0.009319412895859963,0.007903015709473892,0.0071847688201232265,0.006865176923816425,0.006662124469014885,0.006585936872468534],"twin_dists":[0.24974752880235151,0.2560254497115502,0.2972316481914332,0.3003802413038654,0.31141886854469414,0.3449442233041934,0.3513344130781461,0.3681029615621962,0.3708346817799315,0.3713946477789386,0.3794713280128505,0.3797021156606237,0.3809309280867566,0.3821630613259831,0.38458700923602573,0.3847992199788247,0.38530201968058003,0.3927908363832586,0.3956216907212156,0.39715506291390273,0.40409589922971145,0.40805364910990616,0.40993019413998993,0.4111637094807805,0.41163528436022373],"n_dims_used":45,"mean_confidence":0.9184793260362413},"coverage":{"mean_confidence":0.9184793260362413,"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}}