{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000625","490:4900000246","490:4900000813","490:4900000350","490:4900000626","490:4900000017","490:4900001735","490:4900000524","490:4900000408","490:4900000177","490:4900000049","490:4900000195","490:4900000280","490:4900000832","490:4900001208","490:4900000501","490:4900000608","490:4900001887","490:4900000162","490:4900000733","490:4900000703","490:4900000109","490:4900000597","490:4900000718","490:4900000047"],"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":[0.46773743340036433,0.4621478324117784,0.44401774839250613,0.43451243897083686,0.40449030594583973,0.38813727744242904,0.3769720667481067,0.3708154902575587,0.3633840830660173,0.35905204256424156,0.34715122498542145,0.3450249295642279,0.3402500839171986,0.33566346833097693,0.33094204406966643,0.32886222209886695,0.32020463508875546,0.32016234753640765,0.30821480512466576,0.3027856067153435,0.29818695519932703,0.2972916606877154,0.29126086388653105,0.28541218944959557,0.27895247181874194],"twin_dists":[0.16010402781712757,0.16136563560055409,0.1654960523978013,0.1676870967666066,0.17474056111918265,0.17867975014969073,0.18141417590363182,0.1829387770713435,0.1847959179068465,0.18588736563469854,0.18892116189603914,0.1894689042117325,0.19070549578601464,0.19190213137420054,0.19314323251268117,0.19369301765574,0.1960025043132932,0.1960138697752776,0.199259660297584,0.20075842582910894,0.2020401779939962,0.2022910605505661,0.20399275987121218,0.20566320065918237,0.20753226746015485],"n_dims_used":45,"mean_confidence":0.9170801798502605},"coverage":{"mean_confidence":0.9170801798502605,"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}}