{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005110},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004687","490:4900004824","490:4900004968","490:4900002445","490:4900002596","490:4900012853","490:4900005364","490:4900005240","490:4900012851","490:4900001411","490:4900004692","490:4900004833","490:4900002437","490:4900005111","466:4660006586","490:4900005360","490:4900002728","490:4900004133","490:4900006016","490:4900001691","490:4900002738","490:4900012849","490:4900005765","490:4900002732","490:4900004691"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4603518060023424,0.3901748441470974,0.3612041893224734,0.3392544951837055,0.3213372283113629,0.3206377319191486,0.3124156580975645,0.3015603465724259,0.289048285875662,0.2876644935380747,0.2709698854150254,0.26655438970116707,0.2660809026148006,0.263519623288113,0.261471118564349,0.2580414107782627,0.2560114601507559,0.2505385033405767,0.2374369023018187,0.23713792190062816,0.22921783613725724,0.22829463859743748,0.21909086277276613,0.21879898805380396,0.21770277195735044],"twin_dists":[0.16177214164986772,0.17818479789068606,0.18534430438383112,0.19096450043489666,0.19569841405867217,0.19588615097507364,0.19811038629746253,0.20109881768884436,0.20462231617334417,0.20501751685318084,0.20987874573630427,0.2111950026678397,0.21133694974063116,0.21210753930072038,0.2127272302588433,0.21377160710441748,0.2143938729678426,0.21608731423680763,0.22023997195176367,0.22033644911275824,0.22292171514148024,0.22322687011394227,0.2263149108953199,0.2264142455722246,0.2267881207249949],"n_dims_used":45,"mean_confidence":0.9201672024197048},"coverage":{"mean_confidence":0.9201672024197048,"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}}