{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002604},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004022","490:4900003746","490:4900004009","490:4900002603","490:4900004292","490:4900004013","490:4900004580","490:4900004306","490:4900003607","490:4900003865","490:4900001992","490:4900003728","490:4900003346","490:4900003456","490:4900003056","490:4900001996","490:4900003464","487:4870011570","490:4900003193","496:4960007892","487:4870004413","490:4900003472","490:4900002452","490:4900002302","490:4900003068"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,496,487,490,490,490,490],"twin_sims":[0.7122759691777557,0.6473773809525969,0.6096138529102931,0.5646519963278445,0.5407271007131171,0.5368240974679935,0.5295005955824746,0.5261355624112302,0.5208141248804914,0.5174322373235178,0.49069975010437,0.474737640169047,0.46380528298286855,0.46272526477979437,0.4523834715739168,0.4450626787466119,0.44021169028634016,0.4303351935752075,0.4251865739095662,0.42274966472849357,0.421451496317284,0.4201613508869157,0.4101642106905745,0.4081703863500535,0.40639934719495807],"twin_dists":[0.10698534092300645,0.1211146098289954,0.12921428722299916,0.13885589263951761,0.14401910228531375,0.14486505649029743,0.14645569838527142,0.1471881237543257,0.14834851182495581,0.1490873929497277,0.15497273892774552,0.15853126662096523,0.1609909878427515,0.16123506018456701,0.16358258240227494,0.165256306475616,0.16637114996399852,0.16865599671932002,0.16985549397474192,0.1704253269208649,0.17072944460034126,0.17103207404093052,0.17339072756675292,0.1738641144432288,0.17428546385128005],"n_dims_used":45,"mean_confidence":0.9179231431749132},"coverage":{"mean_confidence":0.9179231431749132,"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}}