{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011956},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011072","490:4900011955","490:4900010913","490:4900010914","490:4900012023","490:4900010821","490:4900010485","490:4900010576","490:4900011074","490:4900011075","490:4900010227","490:4900010839","490:4900010136","490:4900010833","490:4900011152","490:4900010490","490:4900009637","490:4900011076","490:4900011957","490:4900009734","490:4900010985","490:4900008120","490:4900010316","490:4900010319","490:4900009938"],"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":[0.26044090983388135,0.23161615340030609,0.17634317586773438,0.1530402878935269,0.1440275278337209,0.13309419573862205,0.12276058919474682,0.11470773489037303,0.09907526112152429,0.09873951221517445,0.09574201407049575,0.08787489017664026,0.08166370716689857,0.06878422033421021,0.06443672693752538,0.06307121904127301,0.061496164251574365,0.059081174139156166,0.05549120501911166,0.05320809626295715,0.0522929372551936,0.05126422735920785,0.047769228922088174,0.04767149703702762,0.047229243177531646],"twin_dists":[0.2130400282148145,0.22213274498361815,0.24195190476185902,0.25163858578082776,0.255674732355709,0.26083105337397733,0.2660062382144038,0.2702742577110445,0.2792679298180697,0.27947288249246116,0.28132732970706104,0.28642204950751954,0.29070689319115184,0.30050054059638526,0.3041432851248309,0.3053288556523524,0.306722763626026,0.3089180341025205,0.3123221248794835,0.3145829637580031,0.31551182861341326,0.3165722046783301,0.320312383698233,0.32042021219692013,0.32091047713667764],"n_dims_used":45,"mean_confidence":0.8821092393663195},"coverage":{"mean_confidence":0.8821092393663195,"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}}