{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011522},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011524","490:4900011302","490:4900011710","490:4900011250","490:4900011456","490:4900011318","490:4900011081","490:4900011511","490:4900012177","490:4900011641","490:4900011387","490:4900012119","490:4900011637","490:4900011518","490:4900011097","490:4900011584","490:4900011639","490:4900008225","490:4900011576","490:4900011454","490:4900011301","490:4900011003","490:4900010842","490:4900011645","490:4900011304"],"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":[0.6472831115391023,0.5893074233434852,0.34267771740337843,0.3238030829229187,0.2840677622312894,0.26704658947473686,0.25926549566870905,0.25567932140052707,0.24883545833555334,0.1738834021003823,0.16415674613069245,0.15153043033472474,0.14612216451680893,0.14328532528203636,0.14324115475178276,0.1402216456004159,0.13918306270151237,0.1367363080715381,0.13404284078353404,0.12701159271582807,0.12626825225142138,0.11711793580675732,0.11025624074651458,0.09176227950727517,0.08531498358166528],"twin_dists":[0.12113488944400323,0.13356342919686479,0.19007563812410147,0.1950384219690276,0.20605007726926589,0.21104761181340745,0.21339786541335073,0.21449598429551112,0.21661907500183736,0.24292919965499668,0.24689365751046843,0.25230229748841393,0.25472040958399766,0.25601535148710763,0.25603566393684407,0.2574354072683931,0.25792204812484815,0.25907932054328814,0.26037135524735194,0.2638387928783599,0.264213782206823,0.2689734090341927,0.27273321732270167,0.2838614212065692,0.2881578129476836],"n_dims_used":45,"mean_confidence":0.8927710639105902},"coverage":{"mean_confidence":0.8927710639105902,"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}}