{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011001},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012038","490:4900010409","490:4900010924","490:4900011705","490:4900010049","490:4900011500","490:4900011830","490:4900011766","490:4900007894","490:4900010310","490:4900011826","490:4900008894","490:4900011156","490:4900008892","490:4900012185","490:4900010991","490:4900011969","490:4900009736","490:4900010145","490:4900011388","490:4900010844","490:4900011704","490:4900010135","490:4900009837","490:4900010408"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2958042749760891,0.25940418969696993,0.06160970494829633,0.05608737468548757,0.053568978388625496,0.05008826708427782,0.04644400035868082,0.04320716358001664,0.04272870248291138,0.042036665087722594,0.04179855448405565,0.041302346816178254,0.039110712913008244,0.03772806893610645,0.0375234041399657,0.033929239858080884,0.03392249634962411,0.03161066330198266,0.026766371413177583,0.025887217482832722,0.024890404576486374,0.02436821442524044,0.023532684210025395,0.023516183140955153,0.02231173523041002],"twin_dists":[0.20270884505622572,0.21335558905746785,0.3066213079308767,0.3117444680295923,0.3142203185935303,0.31780626658475397,0.3217905067912109,0.32555516125556044,0.32613158976592604,0.32697501069427715,0.32726791249903425,0.3278828476698545,0.3306757916411103,0.33250663609084957,0.3327824565597987,0.3378473595939863,0.337857283341895,0.34136296659148074,0.3494858976569651,0.3510940503712054,0.35297548538408074,0.35398723694590073,0.3556458168440204,0.35567908299846135,0.35816372037944666],"n_dims_used":45,"mean_confidence":0.8910464816623264},"coverage":{"mean_confidence":0.8910464816623264,"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}}