{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001057},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001058","491:4910001123","491:4910001335","491:4910001327","491:4910001623","491:4910000993","491:4910001503","491:4910001127","491:4910001000","491:4910001860","491:4910001502","491:4910001321","491:4910001067","491:4910001005","491:4910001561","491:4910000997","491:4910001052","491:4910001385","491:4910001804","491:4910001194","491:4910001250","491:4910001121","491:4910001384","491:4910002664","491:4910001004"],"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":[0.2636006797005796,0.24543309283097176,0.2437933682568494,0.20422288274530978,0.2000239253027126,0.14153824236558063,0.14132826987604452,0.14068104773427875,0.11292199709583023,0.0702182006834675,0.06098376073330535,0.04862856334670002,0.04671156603582275,0.04584574021407907,0.04323264992183359,0.04154297944173935,0.0376642041958563,0.036284807419516535,0.03570084151631384,0.03489334275738834,0.034730033172958426,0.03344572106535579,0.032659714600587406,0.030612287029082395,0.030312998475086547],"twin_dists":[0.21208308111380647,0.2176884626525526,0.21820724797544952,0.2314932729225657,0.23300209070360534,0.25682234637485224,0.256919832633172,0.25722100578452567,0.271251688525662,0.2993401398202609,0.3071825499150326,0.3193721225780603,0.3214892543454888,0.32246938101736977,0.3255246073186176,0.32758386586438,0.33259256823959804,0.33447943910278577,0.33529664058100256,0.3364455794445517,0.3366806880565611,0.33856320557178354,0.33974594594278434,0.34294507763963605,0.34342796239547846],"n_dims_used":45,"mean_confidence":0.8958869086371528},"coverage":{"mean_confidence":0.8958869086371528,"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}}