{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001434},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001381","500:5000001279","500:5000002362","500:5000001565","500:5000001491","500:5000001175","500:5000001553","477:4770001189","500:5000001330","500:5000002115","500:5000001623","500:5000001392","500:5000001798","477:4770001641","500:5000002001","500:5000001384","500:5000001996","477:4770001478","485:4850006968","477:4770000947","500:5000002119","500:5000003413","477:4770002334","477:4770000950","500:5000001493"],"twin_admin_codes":[500,500,500,500,500,500,500,477,500,500,500,500,500,477,500,500,500,477,485,477,500,500,477,477,500],"twin_sims":[0.6478515631432633,0.6428325108342512,0.6362854555863536,0.6250659954037088,0.5938234443453363,0.5904964630758667,0.5844907608874695,0.5676081407952331,0.550159936427928,0.5375425578542634,0.5238798942639066,0.5223103686480361,0.5138234123907506,0.5095907920813649,0.4951324836389343,0.49140968453940026,0.48631303806349085,0.482440177696029,0.4822012438880175,0.4794368997217291,0.4792957462583536,0.4779950341320384,0.47702668309798407,0.47377183349185387,0.47328361760329535],"twin_dists":[0.12101259511598715,0.12209183693898709,0.12349800259817596,0.12590432868451631,0.13259583920773285,0.13330863398523027,0.134595881553495,0.13822013856999754,0.14197916131172347,0.14470924551834013,0.1476796656414178,0.14802196967565479,0.14987714226331472,0.1508051682807291,0.15399082832226235,0.154815303862957,0.15594705777892268,0.15680948464287095,0.15686276207641406,0.1574797635096348,0.15751129928240498,0.15780203803481455,0.1580186521869555,0.15874779506338552,0.1588573058136082],"n_dims_used":45,"mean_confidence":0.9231847127278646},"coverage":{"mean_confidence":0.9231847127278646,"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}}