{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004036},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003890","490:4900001321","490:4900002345","490:4900002024","490:4900001325","490:4900004174","490:4900003887","490:4900003081","490:4900002344","490:4900001064","490:4900001322","490:4900000692","490:4900001319","490:4900003614","490:4900003217","490:4900002490","494:4940008691","490:4900001024","490:4900000358","490:4900002033","490:4900001567","490:4900001193","490:4900001613","490:4900002188","490:4900001450"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490],"twin_sims":[0.9001316821480082,0.6709118999046173,0.6372102248409769,0.6302900032898657,0.6251384761713527,0.616245813015771,0.6142438383651475,0.5882431154348259,0.5855287845740117,0.5818262221827589,0.5799365774988907,0.5766264580745687,0.5509941063834816,0.5430616345904098,0.5396584798587252,0.5270231276434617,0.5214583510348381,0.5208718135034148,0.5181466300923875,0.5153024462385963,0.4908863527755936,0.48637614315331673,0.48550813342542953,0.48509529290331893,0.48389213898056954],"twin_dists":[0.05957664588967508,0.11603505183858753,0.12329948320676888,0.1247843431776769,0.12588879388843685,0.1277940336658499,0.12822279948265053,0.13379151975505243,0.134373335772566,0.13516726972605744,0.1355726088465292,0.1362829141604874,0.14179905240827775,0.14351365417722078,0.14425060371961815,0.14699483938508903,0.14820788844873584,0.14833591774924135,0.14893121553105493,0.1495533088628908,0.15493135136656352,0.15593302284571398,0.15612612224424433,0.15621800095007915,0.1564859039948031],"n_dims_used":45,"mean_confidence":0.9175279405381944},"coverage":{"mean_confidence":0.9175279405381944,"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}}