{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000625},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000524","490:4900000350","490:4900000049","490:4900000162","490:4900000246","490:4900000177","490:4900000017","490:4900000504","490:4900000597","490:4900000626","490:4900000733","490:4900000186","494:4940008437","490:4900000948","490:4900000047","490:4900000832","490:4900000195","490:4900000920","490:4900000813","494:4940006274","490:4900000074","490:4900000009","490:4900000951","494:4940008335","494:4940006275"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,494,494],"twin_sims":[0.6854611751071841,0.6062759606122535,0.5555363251506639,0.5139829358562523,0.4787799753451923,0.4716561725705241,0.46950479849164156,0.46773743340036433,0.4370555698765033,0.43062048783172957,0.4055684476278445,0.3859829708327604,0.378680617300306,0.3682566296989391,0.3614471450850976,0.3549418325529754,0.34083575576960995,0.34083263182241513,0.3330314521324861,0.33268189338209025,0.3319251144936307,0.3315682954979353,0.3277523976774115,0.32710485220278807,0.32285857811197055],"twin_dists":[0.1128733212498252,0.12992902521585428,0.14081907787654768,0.14984220360762487,0.15762655544685786,0.15922262630666853,0.15970620447042544,0.16010402781712757,0.16709905406152248,0.1685897028280822,0.17448342493658928,0.17920439502193852,0.1809932390479596,0.18357612647023053,0.18528310196803946,0.18692917159827155,0.19055332180752296,0.19055413312488445,0.19259281605363004,0.19268476926370115,0.19288402465738558,0.19297805910397675,0.19398717399664164,0.19415905824647606,0.19529088854432938],"n_dims_used":45,"mean_confidence":0.9177068074544271},"coverage":{"mean_confidence":0.9177068074544271,"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}}