{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001952},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002265","490:4900001799","490:4900001659","490:4900002103","490:4900002272","490:4900001949","490:4900003964","490:4900009080","490:4900003409","490:4900008866","490:4900009068","490:4900009388","490:4900008851","490:4900010552","490:4900008302","490:4900001953","490:4900008858","490:4900008637","490:4900001254","490:4900009400","490:4900003963","490:4900008518","490:4900001667","490:4900008087","490:4900010353"],"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":[0.6455673808015705,0.5290877387568366,0.4892837130909013,0.323359997167363,0.29009361216286544,0.26488497756401613,0.25493214810191483,0.2463332272488105,0.23333911160850476,0.22006428479327927,0.20548227007451852,0.19088634925505996,0.17824427289656858,0.17635022536818368,0.17217325408051218,0.16946524790188217,0.1671956226003427,0.1641349581584463,0.15671180901777856,0.15360599563692015,0.15055874250860168,0.14823770392440289,0.14634410743405793,0.14494195376059765,0.14351402090010296],"twin_dists":[0.12150390826741744,0.14654550548393075,0.15528696229200287,0.19515680783377606,0.20432452749556845,0.21169617873929425,0.21472599964231157,0.21740462201468366,0.22156926064069934,0.22598426297980317,0.23104488967926887,0.2363627936415513,0.24120320759484137,0.24194911792111096,0.24361449197985016,0.24470968682998281,0.24563731144488304,0.24690272561848164,0.25004443131439663,0.2513911463324093,0.25273201188127975,0.2537667845121775,0.2546198866325595,0.2552568606865993,0.255910256837386],"n_dims_used":45,"mean_confidence":0.9198845757378472},"coverage":{"mean_confidence":0.9198845757378472,"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}}