{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008283},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008723","490:4900010261","490:4900007832","490:4900008062","490:4900008049","490:4900009573","490:4900007939","490:4900008504","490:4900011181","490:4900010713","490:4900009043","490:4900009186","490:4900008173","490:4900004660","490:4900009871","490:4900007465","490:4900006737","490:4900010015","490:4900008303","490:4900011263","490:4900007844","490:4900005480","490:4900011275","490:4900009298","490:4900005084"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.07758720373206227,0.04594910508425138,0.04541080496708266,0.04255951277655865,0.039308223175132884,0.03785111567767659,0.03686716045884327,0.03368854367439446,0.03206360920611255,0.02929464855917863,0.028028276977600082,0.027408275382034174,0.0273759273463977,0.02733824326534762,0.026777209492000863,0.0265989322346808,0.025594117911396107,0.024663017450905298,0.024606417191738436,0.022049390801418607,0.021648852789509523,0.02160873652442484,0.021387178365629738,0.02119805834082201,0.020246944380683998],"twin_dists":[0.29366300339629464,0.32235155982774266,0.32296759706244343,0.3263367219193902,0.3304187439223452,0.3323414195292429,0.3336755428947719,0.338202613606356,0.34065924831016076,0.34510221896824717,0.3472554006884347,0.34834024029862376,0.34839741856930384,0.348464102221359,0.34946635853378005,0.34978863047216824,0.3516406714103107,0.3534137726635055,0.35352341237632584,0.35872030746716044,0.35958128689124297,0.3596682803059165,0.3601512817569725,0.3605670233125543,0.36270814214559327],"n_dims_used":45,"mean_confidence":0.9248800489637586},"coverage":{"mean_confidence":0.9248800489637586,"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}}