{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010118},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010016","490:4900010258","494:4940008994","490:4900011727","490:4900008730","490:4900010347","490:4900005599","490:4900008382","490:4900009814","490:4900009150","490:4900007603","494:4940009002","490:4900005603","487:4870002249","490:4900011344","490:4900008849","490:4900008612","490:4900006258","490:4900008397","490:4900007341","490:4900009291","494:4940008995","490:4900007708","490:4900008055","490:4900009565"],"twin_admin_codes":[490,490,494,490,490,490,490,490,490,490,490,494,490,487,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.08252728046893573,0.012819123967249468,0.0071784148661482175,0.0031307130012205027,0.0026187414454861445,0.0025613416813568056,0.0021751275034717433,0.00199528376525543,0.0019222420846864736,0.001812170821652907,0.0015528906917681323,0.0014654417295324681,0.0014561352826596079,0.0014561082686274942,0.0013842386395222723,0.001332543378487868,0.0009105035458439594,0.0007910421320219934,0.0006488787686101573,0.000524276561514722,0.0005227937651772311,0.0004937573077812719,0.00048822782130217735,0.0004811597596114416,0.00046901163414413014],"twin_dists":[0.2900959049100847,0.38337475494138123,0.4080902198996953,0.44105706708626147,0.4478339536576446,0.44866791829857583,0.4547709791493804,0.4579606835166711,0.4593322247422372,0.4614924952805038,0.46710193513903453,0.4691902953827224,0.4694192717914606,0.4694199384112218,0.47123521986532446,0.4725956050334681,0.4859983406126869,0.4908554428892668,0.4976164210503992,0.5047922846430472,0.5048869149430614,0.5067923642871165,0.5071670538447107,0.5076518171356992,0.5085007625018979],"n_dims_used":45,"mean_confidence":0.9042452494303386},"coverage":{"mean_confidence":0.9042452494303386,"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}}