{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009960},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010329","490:4900010066","490:4900010328","490:4900009864","490:4900010245","490:4900010164","490:4900010342","490:4900010341","490:4900010686","490:4900009944","490:4900009946","490:4900010937","490:4900010343","490:4900009763","490:4900010165","490:4900009334","490:4900010161","490:4900010068","490:4900010927","490:4900010062","490:4900010688","490:4900010045","490:4900010600","490:4900010513","490:4900010065"],"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":[0.3341404072338779,0.28339036761049524,0.27814186372457667,0.2237996333689699,0.20886820176868526,0.20391563887128897,0.18188701724468753,0.16179254483878874,0.15214629356604237,0.14367201811685845,0.1407675123820501,0.13578509392397203,0.13550016623655747,0.13360848002147316,0.1296567489062076,0.12237492286020524,0.11593190353181898,0.11203925867371702,0.11084522589833179,0.10960955757540354,0.10646353234130163,0.10611734600153942,0.09450858420429321,0.09368882690565457,0.08102360441070083],"twin_dists":[0.19230144735888619,0.20624542447997044,0.20776865647250214,0.22472445815381017,0.22984862547370727,0.23160294906656675,0.23978429206430793,0.24788275868810405,0.25203098897808107,0.25583772349292627,0.25718071137156134,0.2595334126556336,0.25966989574599664,0.26058153496707154,0.26251773433724507,0.26620568587230153,0.26961094604052144,0.2717392637418337,0.27240351957243947,0.27309678512459845,0.2748895781078665,0.27508935614520547,0.28210368665962315,0.2826240934149042,0.291163119119713],"n_dims_used":45,"mean_confidence":0.8949469672309027},"coverage":{"mean_confidence":0.8949469672309027,"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}}