{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001450},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001193","490:4900002188","490:4900001740","490:4900002341","490:4900002180","490:4900003893","490:4900004184","490:4900001167","490:4900001882","490:4900003227","490:4900002499","490:4900003081","490:4900000953","490:4900002483","490:4900004034","490:4900004032","490:4900001319","490:4900004171","490:4900003616","490:4900002340","490:4900003898","490:4900002176","490:4900002203","490:4900001567","490:4900004036"],"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":[0.9564303893572484,0.7302716216565819,0.6876329958015394,0.6764263983812454,0.6641125437865952,0.6561470553190627,0.6367815036743963,0.6325245657586609,0.6181489761932862,0.5956483815191628,0.5904488958813708,0.5854073670873131,0.5683106258149259,0.5590466761833425,0.5547833386760824,0.5508217880896527,0.5471435915714516,0.5388775317243791,0.5256950544054105,0.5256452482478,0.523682744740253,0.5097881252054373,0.5048728779946285,0.4913444071278176,0.48389213898056954],"twin_dists":[0.03876585678733189,0.10297642032378186,0.11239960018359207,0.11483896028171128,0.11750643562893479,0.11922596001602503,0.12339152026011688,0.12430504494508311,0.12738638819332024,0.1322049240144995,0.13331882648103685,0.13439936555589568,0.13806911889456452,0.14006255177629257,0.14098144761667067,0.14183625470469774,0.14263080903835074,0.14441983980896925,0.14728407959189793,0.14729492998847113,0.14772264990834433,0.15076185828117342,0.15184195111817195,0.1548297769629885,0.1564859039948031],"n_dims_used":45,"mean_confidence":0.9075144449869792},"coverage":{"mean_confidence":0.9075144449869792,"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}}