{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003126},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001118","490:4900003528","490:4900003253","490:4900003256","490:4900003120","490:4900001375","490:4900003396","490:4900003387","490:4900003403","490:4900003258","490:4900001646","490:4900003523","490:4900003804","490:4900004493","490:4900003125","490:4900002993","490:4900002846","490:4900003254","490:4900003399","490:4900001511","490:4900002988","490:4900002845","490:4900003527","490:4900003131","490:4900003518"],"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":[0.48381380867559026,0.415199371680575,0.3180987001083754,0.2629731948736729,0.1852280767943083,0.16577044453879347,0.1565916856864203,0.15188599497345626,0.13352216617817383,0.1254649587882331,0.12257836513142863,0.11535939812841393,0.11533433049594351,0.11442889279942657,0.11217427295163067,0.10218005051415861,0.10194845749213208,0.09706478713307234,0.07753951253207172,0.07704281842809542,0.07639281055764906,0.07279400653282712,0.07202534719602739,0.07199694227456166,0.07174817141109792],"twin_dists":[0.15650335275848976,0.17219970657261882,0.19656953653497994,0.21227254299590143,0.23850043955998332,0.24622444436549662,0.2500961536033142,0.2521455606522502,0.2606233618934069,0.26462090268069116,0.26610041595997747,0.26992048271471547,0.269934062986227,0.2704261077992179,0.27166449794361947,0.27739796981580866,0.2775359092495691,0.28050343450442766,0.29369831797290563,0.2940671547856759,0.29455274255586633,0.29730319213090156,0.29790485092998215,0.2979271839637347,0.2981230827085954],"n_dims_used":45,"mean_confidence":0.9177229139539931},"coverage":{"mean_confidence":0.9177229139539931,"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}}