{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010587},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010508","490:4900010501","490:4900011087","490:4900010757","490:4900011236","490:4900010421","490:4900011088","490:4900010775","490:4900010672","490:4900010763","490:4900012031","490:4900011082","490:4900011007","490:4900011587","490:4900010420","490:4900010153","490:4900010496","490:4900010767","490:4900010750","490:4900011320","490:4900010427","490:4900011018","490:4900011159","490:4900010495","490:4900010755"],"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":[0.4238440152728545,0.40547371296881285,0.40286814352412864,0.369245043141947,0.3489513961824653,0.31361959622270486,0.2986998940136049,0.25642429545226464,0.24281666816984704,0.2377944957944987,0.2365484301538381,0.226040168613907,0.2157320457317146,0.21114670611975891,0.2069241325259792,0.20143571695128373,0.19200335350135708,0.18751674540836807,0.16926167004906884,0.16433285987816074,0.152996489210521,0.1508725361214607,0.15079318553431492,0.14728150318943195,0.1457329647148076],"twin_dists":[0.17016926109688918,0.17450600685715315,0.1751280250318683,0.1833296763712834,0.18845881245099783,0.19778264154832798,0.20189663965910976,0.21426706946100366,0.21851733300118095,0.22012468509716535,0.22052690340558478,0.2239755145217439,0.22746345180593872,0.22905103609247957,0.23053384120323117,0.23249238010707315,0.23594605480878256,0.2376303616179229,0.2447925256484091,0.24682039127693323,0.2516577712017426,0.2525930189183227,0.2526281466686838,0.25419655855994666,0.2548969601033484],"n_dims_used":45,"mean_confidence":0.8935561286078559},"coverage":{"mean_confidence":0.8935561286078559,"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}}