{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010515","490:4900010856","490:4900010430","490:4900010429","490:4900010859","490:4900009865","490:4900010690","490:4900010683","490:4900007790","490:4900008679","490:4900010345","490:4900011095","490:4900011016","490:4900010938","490:4900010247","490:4900010854","490:4900010514","490:4900011252","490:4900008918","490:4900009858","490:4900009534","490:4900010428","490:4900009957","490:4900010334","490:4900009562"],"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":[0.41252499589708275,0.34960103320714664,0.25763695364664246,0.1471192766547853,0.10554087162810986,0.07275130217583133,0.06482810570998067,0.06042331855802848,0.057627050264741485,0.05487870242734715,0.05373116776831323,0.041237513403575544,0.03858464154633482,0.03034562667268813,0.02952404114793185,0.028740532261936187,0.02728804837010001,0.025090490304810042,0.023094824354707492,0.02307917061011462,0.023001335215229842,0.018981869808446943,0.017647135108428462,0.01572859764114779,0.015024539723885148],"twin_dists":[0.17283151801316873,0.18829226995801865,0.21389534298973198,0.25426967727375405,0.27542315622370284,0.2973364832035749,0.30380727092635185,0.307689089167937,0.3102757331871755,0.3129209782311408,0.3140579963475042,0.32796365313229286,0.3313658385792898,0.3433751207892362,0.3447207701631372,0.3460343277597196,0.34855304735159715,0.3525926755256378,0.35653547426954996,0.3565675499748196,0.35672732131959844,0.3656962529062178,0.36904387240514985,0.37426729942555265,0.37632554936967916],"n_dims_used":45,"mean_confidence":0.8902552286783855},"coverage":{"mean_confidence":0.8902552286783855,"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}}