{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001660},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001780","491:4910001486","491:4910001476","491:4910001602","491:4910001781","491:4910001720","491:4910001603","491:4910001601","491:4910002340","491:4910002188","491:4910001478","491:4910001035","491:4910001840","491:4910001157","491:4910001098","491:4910000973","491:4910002181","491:4910002142","491:4910000972","491:4910001721","491:4910001782","491:4910002193","491:4910001839","491:4910002247","491:4910002053"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.7580869684068461,0.7038793999436018,0.6656959811083636,0.655533970685598,0.6391059826917777,0.6017782321960747,0.5124945592842355,0.4979252433579031,0.49580938113311956,0.45642415633492484,0.4561399502250177,0.44640535221736705,0.43012885758345387,0.42481665254438666,0.4245762496702065,0.40603660161294103,0.4047250117996229,0.3965552396380453,0.39297591111577734,0.3906371779888155,0.366615231063428,0.36250489888091625,0.3588601893223983,0.3377547479325605,0.3351555913223742],"twin_dists":[0.09665963417693826,0.1088388876785878,0.11716409290514528,0.11935813778474368,0.12289242284785008,0.13089213032498376,0.150168291694741,0.15337350250716264,0.15384111212042462,0.16266308862636378,0.16272766483114282,0.16494856277397899,0.1687039542072251,0.16994190646081403,0.16999808060565266,0.17437186547678601,0.17468455784730655,0.1766426649233132,0.17750635296910042,0.17807265985036538,0.18398612278717585,0.1850168890750815,0.1859358575091224,0.19135543576918382,0.19203517700289557],"n_dims_used":44,"mean_confidence":0.8958606719970703},"coverage":{"mean_confidence":0.8958606719970703,"n_dims_used":44,"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}}