{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010105},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008175","490:4900008843","490:4900004119","466:4660004462","490:4900008846","490:4900011046","490:4900010186","490:4900009685","490:4900011490","466:4660004081","490:4900008184","490:4900008295","490:4900004528","490:4900008198","490:4900011683","490:4900006403","466:4660004295","490:4900008077","490:4900010555","490:4900004386","490:4900011138","490:4900010716","490:4900009195","490:4900004248","490:4900009499"],"twin_admin_codes":[490,490,490,466,490,490,490,490,490,466,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490],"twin_sims":[0.16683796701224188,0.09048048832493019,0.07508122134925055,0.07372129049063895,0.06733223341563521,0.060628618309215884,0.059408053427724934,0.055198895854304736,0.050095258994193856,0.04961059601542762,0.049459348184722064,0.046370430266306446,0.04474262150027833,0.04426284463466562,0.04152468835126886,0.032918787094905755,0.030725892087674078,0.025943646641861808,0.025518495559895063,0.02492320618968208,0.024831812641749544,0.022494986612425074,0.022093438038562965,0.022048777218124836,0.022020386027693694],"twin_dists":[0.2457843152101823,0.28469607703544697,0.2955427896659451,0.29658417510965124,0.3016957339531731,0.30750308872625515,0.30861662526392464,0.3126072341991313,0.31779885826352877,0.31831443797116465,0.3184761932981034,0.32187359402173565,0.32374084824253047,0.32430206515230736,0.3276065408876361,0.33935344887550856,0.34276284095491505,0.3509894256697108,0.3517825815311663,0.3529125464899596,0.3530880887649386,0.3577782985216666,0.35862645683644184,0.35872161596771573,0.3587821963945421],"n_dims_used":45,"mean_confidence":0.9174960666232639},"coverage":{"mean_confidence":0.9174960666232639,"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}}