{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002397},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001780","490:4900001243","490:4900001122","490:4900001369","490:4900001502","490:4900002247","490:4900003796","490:4900001777","490:4900003797","490:4900001637","490:4900001501","490:4900004079","490:4900001500","490:4900001640","490:4900003805","490:4900003941","490:4900001366","490:4900001370","490:4900001638","490:4900002547","490:4900004211","490:4900002546","490:4900004489","490:4900003249","490:4900001496"],"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":[0.7043475009603487,0.5215103520071674,0.5036936142197487,0.4654550567402206,0.4629778354664616,0.44181527748828303,0.39705764479492334,0.3833150428559217,0.3296408466927901,0.3119142283990191,0.29456952965537003,0.2783706607573887,0.27349476939502315,0.22520921376235636,0.2165559863464577,0.21436575611175643,0.20294077836257474,0.1981745833128146,0.19630056312089594,0.19614723488583669,0.17655355522464694,0.15675345158312884,0.14565477313847405,0.1370307654467103,0.13450974351320072],"twin_dists":[0.10873580961299242,0.1481965393026889,0.152101501404091,0.16061853934813447,0.1611779640977981,0.16600209349294567,0.1765217231824256,0.1798560554410815,0.1934869711294413,0.19824710144567373,0.2030566082038316,0.2077018923862425,0.20913202649275586,0.22425269956462937,0.2271805997139054,0.22793409740428114,0.23195169478605404,0.23367354009475688,0.23435838163587389,0.23441461387280835,0.24186877073847132,0.2500265077604411,0.2549324718053361,0.2589392316319754,0.26014599880148986],"n_dims_used":44,"mean_confidence":0.9153045307506215},"coverage":{"mean_confidence":0.9153045307506215,"n_dims_used":44,"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}}