{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009890},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008949","490:4900010185","490:4900009990","490:4900007832","490:4900009167","490:4900008944","490:4900007831","490:4900004808","490:4900009971","490:4900011203","490:4900009667","490:4900009974","490:4900012212","490:4900011611","490:4900009869","490:4900012064","490:4900012132","490:4900009268","490:4900011041","490:4900011190","490:4900012209","490:4900004667","490:4900011729","490:4900009574","490:4900006373"],"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":[0.5794966497968819,0.5344661489739816,0.48469886058158707,0.34429877161424793,0.3250974991411605,0.32362248796670534,0.3219663873125463,0.29813266115561177,0.2933453805101724,0.2881846305791108,0.2844755728396343,0.2839710358806183,0.2733566314929561,0.27104275743660233,0.264494443988065,0.2514012488803841,0.24713072637546307,0.2438543807209182,0.24357136443277716,0.2434363774130524,0.2432895363281867,0.2367341504002748,0.23581182244768653,0.23447646301947603,0.23328441390904978],"twin_dists":[0.13566699106409427,0.1453767096262321,0.15630625069895188,0.18965637473282834,0.19469308861966733,0.19508666333390476,0.19552975016099938,0.2020553798530191,0.2034022383300874,0.2048688365580567,0.20593260814257444,0.2060779540318442,0.20917276999667572,0.20985713433182943,0.21181370516682096,0.21581881078137216,0.21715370230855263,0.2181879042504488,0.21827765967680163,0.21832049301721518,0.2183671052550514,0.22046686709686097,0.22076532449539168,0.22119879131325354,0.22158710714337557],"n_dims_used":45,"mean_confidence":0.9190454271104601},"coverage":{"mean_confidence":0.9190454271104601,"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}}