{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000796","500:5000001588","500:5000000840","477:4770001176","477:4770001019","485:4850008536","477:4770001317","477:4770001179","477:4770001297","477:4770001751","477:4770001704","485:4850008488","500:5000001101","500:5000001360","477:4770001658","500:5000001110","477:4770000331","500:5000002388","477:4770001538","500:5000001433","477:4770001013","477:4770001588","485:4850007683","485:4850006886","485:4850008246"],"twin_admin_codes":[500,500,500,477,477,485,477,477,477,477,477,485,500,500,477,500,477,500,477,500,477,477,485,485,485],"twin_sims":[0.21941585891313878,0.21717598229416668,0.1942463266795424,0.19353154511876355,0.19125111721118795,0.16053497086571872,0.15300537635531652,0.14921925896569577,0.13015200154008122,0.12856706972388368,0.12824584130417113,0.12743855098653079,0.12297882258650228,0.12109614520081174,0.11841625197394011,0.10931517147639618,0.10669421208257743,0.10272083367331863,0.10131800534965711,0.09928969111623413,0.09737632269866306,0.09355651299995768,0.0920797737417771,0.08956284381605581,0.08736532606144955],"twin_dists":[0.22620440827243032,0.22696823752638348,0.23511430645109327,0.23537863579624732,0.23622651713844225,0.2484131609192531,0.2516538779823026,0.2533277376685243,0.26227266140277805,0.2630594558811586,0.26321981318835513,0.2636241587095914,0.2658935899938501,0.26687045388291675,0.26828116619662007,0.27326284007402074,0.274756736882776,0.27707682108336995,0.27791265782653884,0.27913731905893024,0.2803106781678126,0.2827084265525812,0.2836561066140795,0.28529938280133765,0.2867643268127439],"n_dims_used":45,"mean_confidence":0.9214987860785591},"coverage":{"mean_confidence":0.9214987860785591,"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}}