{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001271},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006635","490:4900007371","490:4900012288","490:4900006634","490:4900007500","490:4900001398","490:4900007491","490:4900003856","494:4940008588","490:4900001692","490:4900001821","494:4940008730","494:4940008411","490:4900007244","490:4900001978","490:4900003305","466:4660003525","494:4940007796","490:4900001974","494:4940008667","494:4940008739","490:4900006883","490:4900006395","494:4940007724","490:4900003188"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,494,494,490,490,490,466,494,490,494,494,490,490,494,490],"twin_sims":[0.386430565298506,0.37922915477314995,0.30651777248303086,0.2991255395646629,0.28714960775122633,0.2563031855077432,0.25614872458135485,0.23427600778411364,0.21452271260532738,0.21239723094255314,0.21067172076747923,0.20799776881489515,0.19585188091773645,0.19484080979161938,0.18390843142547486,0.1810756280059878,0.17677837707470664,0.17238210414762434,0.16595688439454692,0.16441879063233727,0.15486386863657606,0.1544885714048182,0.15407116653244513,0.15272701148797968,0.14816641459419172],"twin_dists":[0.17909527708316775,0.18085829114486185,0.19972648619111855,0.20177763871956114,0.2051648546928938,0.2143042553177687,0.21435169746713623,0.2212639999001326,0.22787992789055844,0.22861577146299078,0.22921682029333101,0.2301548824930062,0.23452301914428494,0.2348949783729732,0.23900556696708922,0.24009858922762364,0.2417800074719573,0.2435305411354066,0.24614742995438627,0.24678466327109044,0.25084333928693464,0.2510064400429957,0.2511881815599021,0.2517759010321545,0.2537987554858968],"n_dims_used":45,"mean_confidence":0.9164304945203993},"coverage":{"mean_confidence":0.9164304945203993,"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}}