{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000765},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001558","490:4900000929","490:4900000884","490:4900001679","490:4900000898","490:4900003864","490:4900002291","490:4900000660","490:4900002001","490:4900003443","490:4900001415","490:4900007495","490:4900002453","490:4900007120","490:4900001281","490:4900004298","490:4900007617","490:4900000276","490:4900000275","490:4900012494","490:4900001025","490:4900001693","490:4900000772","490:4900001695","490:4900001980"],"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":[0.6162628941283609,0.5847489318447145,0.5315625263602393,0.47894504095640883,0.47872412027794625,0.46903975522420716,0.4645141361227712,0.46064415557124755,0.4498593354006973,0.4441299240749295,0.44056463370742943,0.4377674327674092,0.42492916242099577,0.42171304135897686,0.41574242976782044,0.41428091360024727,0.4016118451322432,0.4011982550229988,0.4004792283719766,0.39931975295842603,0.393865011793067,0.39254722036866385,0.3901679072745623,0.38892484184190035,0.3844182827479899],"twin_dists":[0.127790375195957,0.13454052882034806,0.1460073970642009,0.15758966491611914,0.15763903942628452,0.15981083349225025,0.16083090270343692,0.1617059340904316,0.16415850918208502,0.16547030476099953,0.1662898771603437,0.16693469502317976,0.169915621192992,0.17066814164525326,0.172071626205712,0.17241648968512663,0.17542858244047374,0.17552762277830772,0.17569991455266024,0.17597804180035792,0.177291475481572,0.17761003945076095,0.17818648088753167,0.17848829565222854,0.1795863198395624],"n_dims_used":45,"mean_confidence":0.9147532992892795},"coverage":{"mean_confidence":0.9147532992892795,"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}}