{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000329},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001855","487:4870006136","490:4900001054","490:4900000347","490:4900000734","494:4940008833","487:4870004839","494:4940008675","496:4960005971","490:4900001555","490:4900000815","496:4960008572","496:4960008141","487:4870003491","487:4870005270","494:4940006690","494:4940007903","494:4940008306","496:4960007433","490:4900001421","480:4800005470","494:4940004716","496:4960007670","493:4930007136","496:4960007905"],"twin_admin_codes":[490,487,490,490,490,494,487,494,496,490,490,496,496,487,487,494,494,494,496,490,480,494,496,493,496],"twin_sims":[0.4169663966263177,0.2598496112503132,0.2548801850715085,0.24405521573043854,0.2303712208836089,0.22030911207411294,0.20899851391306518,0.20852771625925803,0.19087515644603742,0.18855095308985245,0.1843102323519006,0.1725518932262707,0.16760103008994723,0.1623098207665861,0.15842215372360044,0.15808092663894807,0.15573671380478601,0.15547240145885569,0.15472643412386541,0.15024241601864874,0.1488070527851072,0.1465861022998349,0.14567948100252381,0.14489564046594208,0.13142506862316858],"twin_dists":[0.17178321685206308,0.2132199129349372,0.21474201221065464,0.21812425248474313,0.22254161225931113,0.22590125534513886,0.22980285070587536,0.22996831971169862,0.23636697812339827,0.23723963250007218,0.23885149806750483,0.24346234514333664,0.24547095435577485,0.24766545744907079,0.24931111642057222,0.24945695578443966,0.2504651242979543,0.25057949019215564,0.25090303345838577,0.25287234271185893,0.2535118561216203,0.2545104101511997,0.2549212488885147,0.25527797773741023,0.2616459047656738],"n_dims_used":45,"mean_confidence":0.9146771748860677},"coverage":{"mean_confidence":0.9146771748860677,"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}}