{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001538},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002445","490:4900001968","490:4900002443","490:4900002295","490:4900002582","490:4900002894","490:4900002136","490:4900004824","490:4900002590","490:4900004832","490:4900003853","490:4900005111","490:4900002586","490:4900001554","490:4900002449","490:4900002881","490:4900001829","490:4900002734","490:4900004693","490:4900003582","490:4900004133","494:4940008092","490:4900012715","490:4900002728","490:4900012716"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.5373157904112975,0.43318788434930666,0.4111966019135928,0.33410922926080394,0.31509960551059807,0.3112082655087339,0.30763364790426256,0.28650649742852685,0.275152561844828,0.26985030599474635,0.2663503929576187,0.26234097511000487,0.24965616587181236,0.24734439300451497,0.23228870585070802,0.22554039664089184,0.2234723145410145,0.21701181230116154,0.21631547320089115,0.21482567802341113,0.2062583857784287,0.2024649344635639,0.19777190815740622,0.1947005326944643,0.19253411093327805],"twin_dists":[0.14475841969542796,0.16799391513651576,0.17314600785212633,0.19230963191328893,0.1973807216301779,0.19843979556340355,0.19941936003908844,0.2053491073644495,0.20864404614889784,0.2102112276283179,0.21125613976760074,0.2124637208150662,0.21636252667347944,0.21708656408086552,0.22191246347735952,0.22414214423892329,0.22483428806598738,0.22702442959689756,0.22726309089388697,0.22777544276192674,0.23076950266750224,0.23212234044849597,0.23382031447764184,0.23494669014090436,0.23574862878275257],"n_dims_used":45,"mean_confidence":0.9020261976453993},"coverage":{"mean_confidence":0.9020261976453993,"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}}