{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004066},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002065","490:4900004207","490:4900006928","490:4900005825","490:4900004068","490:4900003244","490:4900005425","491:4910001810","490:4900003499","490:4900003502","490:4900003912","490:4900002816","490:4900006790","490:4900005304","490:4900005162","490:4900005948","490:4900002963","490:4900006190","490:4900003782","490:4900005427","490:4900003500","490:4900003911","490:4900004475","490:4900007046","490:4900006433"],"twin_admin_codes":[490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.44846610780464524,0.2826208194795383,0.20509873932408723,0.1925487605364639,0.1595201441680338,0.14477076119920262,0.14350625554901017,0.14127084883609936,0.1251274360146498,0.11201941516063772,0.10435940209650396,0.10234015501525204,0.09924060447601521,0.09887299808107251,0.09688868794569629,0.0959233378160768,0.09502049693667697,0.0940316551534824,0.09317591833494543,0.08553349637886863,0.07582766004624662,0.07217165230586578,0.06211397728486598,0.06208189835888443,0.06066900348894031],"twin_dists":[0.1644769157543945,0.20646768916039263,0.23118123952469607,0.23574318494483024,0.24884338601591266,0.25533494274061297,0.2559138232820242,0.25694651090947984,0.2647925544026578,0.27175025818680026,0.276111727346762,0.27730275240624763,0.27916719854123895,0.27939133280603684,0.2806126074189249,0.28121386401835097,0.28178051081671823,0.28240602060983855,0.28295153261630096,0.2880080424889531,0.29497765019986116,0.2977899331291949,0.30617255428596085,0.3062010122550313,0.3074665609065275],"n_dims_used":45,"mean_confidence":0.9011074490017361},"coverage":{"mean_confidence":0.9011074490017361,"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}}