{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":479,"cluster_id":4790001985},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790001507","469:4690001914","479:4790001065","479:4790000916","479:4790000994","469:4690001646","479:4790001921","479:4790001222","479:4790002760","479:4790002748","479:4790000859","479:4790000985","479:4790001912","479:4790000386","479:4790002659","489:4890004786","489:4890004554","479:4790002319","479:4790005070","479:4790003599","479:4790002494","469:4690006073","479:4790000704","479:4790003431","472:4720005416"],"twin_admin_codes":[479,469,479,479,479,469,479,479,479,479,479,479,479,479,479,489,489,479,479,479,479,469,479,479,472],"twin_sims":[0.7191828738268433,0.649018524458686,0.6232261126907602,0.5831300039373438,0.5750264937042489,0.5597232054458262,0.5523954260678193,0.5273784621814928,0.4837435572869199,0.4703072952484717,0.467242562244775,0.46309551713095587,0.44278993826680774,0.43067957637919535,0.4066856587260868,0.40256242507930473,0.39867025656724653,0.3982241620525857,0.3894776810921569,0.3860464426571281,0.384870140326589,0.3839288390505553,0.3757970203058782,0.37559227941427653,0.373237621009041],"twin_dists":[0.10545290280424814,0.12076148856614763,0.1262986331809296,0.1348876607903484,0.13662637587200915,0.1399168289761381,0.14149658652803404,0.14691747852625112,0.15651900262073856,0.15952573501439704,0.16021551222047326,0.16115136473231986,0.16577803496282273,0.1685759746418962,0.17421729211240025,0.17520112630836443,0.17613399927378628,0.1762411829166756,0.17835401110075497,0.17918891773188592,0.17947595001927855,0.17970594021258998,0.18170421266668993,0.1817547941828347,0.18233749063465254],"n_dims_used":45,"mean_confidence":0.9312762790256076},"coverage":{"mean_confidence":0.9312762790256076,"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}}