{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001527},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002114","490:4900009295","490:4900001397","490:4900009072","490:4900004393","490:4900009288","490:4900002107","490:4900009404","490:4900004533","490:4900009510","490:4900008514","490:4900004529","490:4900004383","490:4900009798","490:4900010640","490:4900009391","490:4900003973","490:4900004253","490:4900009601","490:4900007849","490:4900009392","490:4900002108","490:4900010379","490:4900004394","490:4900008531"],"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":[0.31084203265637245,0.30456884374477033,0.2894736354141182,0.2535775173304617,0.23835368896806178,0.2317864827448709,0.227889415229879,0.2239350572317942,0.22359707087238087,0.22090535689538557,0.21709114882632957,0.21626311821973057,0.19935724003488567,0.19373746175056367,0.19298337559257944,0.17975213628900197,0.17861296769029716,0.17050605776105598,0.17021126586422555,0.16445316461792553,0.16033086004579786,0.156397925120835,0.15589542733008013,0.15288873565772568,0.1497075113741997],"twin_dists":[0.19853985804794436,0.20026444892808815,0.20450106677112886,0.21514411217465348,0.21994462954225075,0.22207691716259093,0.22336107093938395,0.2246790487612688,0.22479241418021864,0.22569935907408947,0.2269972707388985,0.22728105578551275,0.23324365151884527,0.23530241742006872,0.23558181168313638,0.24061339802453285,0.2410586644822694,0.24428727895092991,0.24440673058699988,0.24677037514922756,0.24849953236862102,0.250179643460452,0.25039651837011767,0.2517049883461447,0.25311013637277263],"n_dims_used":45,"mean_confidence":0.9186266581217448},"coverage":{"mean_confidence":0.9186266581217448,"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}}