{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006664},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000118","480:4800000177","491:4910003234","491:4910003108","491:4910003277","491:4910001909","491:4910002946","491:4910003194","490:4900007158","491:4910002456","480:4800000122","491:4910003535","490:4900006062","491:4910003387","490:4900007035","480:4800000145","491:4910003475","491:4910002253","490:4900007156","490:4900005936","491:4910002254","490:4900006907","480:4800000062","480:4800000154","491:4910003391"],"twin_admin_codes":[480,480,491,491,491,491,491,491,490,491,480,491,490,491,490,480,491,491,490,490,491,490,480,480,491],"twin_sims":[0.09742889829614115,0.08937334824272287,0.07163182846381087,0.06358819812162575,0.05202825278742008,0.043799741738412015,0.03999321782400852,0.03857707500727456,0.030514099943425764,0.025868671199675113,0.02490214944277891,0.02469057839831223,0.024141427942895123,0.020000616008206722,0.019759291849648152,0.01943236210881316,0.016607763870284165,0.01574699859289843,0.014557465722964345,0.014296861300103403,0.013789509960522407,0.01370071565849866,0.013465687140651673,0.01184173201539918,0.010781432910373971],"twin_dists":[0.2802781958624682,0.2854245765429962,0.29821488780726924,0.3048775520335198,0.3157829927889955,0.3248486432344117,0.32953564233507,0.33137582152734985,0.34310304927618884,0.3511284798191333,0.3529529413986691,0.35336046343949307,0.35443249244495717,0.3632769430582015,0.3638401449395615,0.3646127847855776,0.37180799714101664,0.3742146015932785,0.3777383916536763,0.37854415266403013,0.3801507274761211,0.38043725511979515,0.3812036572103299,0.3868483509258825,0.39091702036345893],"n_dims_used":44,"mean_confidence":0.8933271928267046},"coverage":{"mean_confidence":0.8933271928267046,"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}}