{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001105},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001368","490:4900002684","490:4900004491","490:4900002832","490:4900001634","490:4900002834","490:4900001775","490:4900001779","490:4900003532","490:4900003118","490:4900001639","490:4900003932","490:4900001776","490:4900001774","490:4900001367","490:4900001498","490:4900002677","490:4900001103","490:4900004073","490:4900002231","490:4900004212","490:4900002547","490:4900004363","490:4900003790","490:4900001501"],"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":[0.5679012468382233,0.4964819681136423,0.4843099722208681,0.41173378805437294,0.38164879476966623,0.3801730392629896,0.31671685299217717,0.28506633447679824,0.2783394305233388,0.27480778931831,0.2647853091312015,0.25190863777201256,0.2256980828247273,0.22249094261729588,0.20201927250606622,0.19605056710019775,0.17804845292361043,0.17016907355960736,0.15920717537262605,0.138052922039743,0.1364092492821092,0.1297455212661259,0.1284931787292441,0.12457212358331665,0.11581584549683757],"twin_dists":[0.13815712422515175,0.1536924074726697,0.15639284280330082,0.17301877872235438,0.1802641489068187,0.18062630336119637,0.1969427544701845,0.20576262000872805,0.20771100355005148,0.20874538303740311,0.21172616248861728,0.21566117577537317,0.22408954340112197,0.22516422569978692,0.23228241238456537,0.23445008187891547,0.24128006319145193,0.24442383933026335,0.24897646741516027,0.2584546789896672,0.2592351846848423,0.26247375391130157,0.26309631542419026,0.2650757327816448,0.26967360013147745],"n_dims_used":45,"mean_confidence":0.9123433430989584},"coverage":{"mean_confidence":0.9123433430989584,"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}}