{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012930},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012446","490:4900012679","490:4900012863","490:4900013263","490:4900000867","490:4900013264","490:4900013012","490:4900000865","490:4900002086","494:4940005678","490:4900012813","494:4940004818","490:4900013317","494:4940004944","494:4940004683","494:4940005194","494:4940004093","490:4900000866","490:4900013088","490:4900003413","490:4900001116","494:4940004934","490:4900002070","490:4900013052","490:4900003546"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,494,490,494,494,494,494,490,490,490,490,494,490,490,490],"twin_sims":[0.013509452113909907,0.01137266825821737,0.009565628359736279,0.009304054453004414,0.008293402302057514,0.006750839802252018,0.00619708384672776,0.0040438233125233295,0.0039016628606444764,0.0036628062939066007,0.0036503211187046054,0.0033169758421058336,0.0028021677967110647,0.002602091303908304,0.0021979934904766425,0.002188254798946386,0.00217192851569738,0.002129996604984237,0.002051686312495996,0.0014523742286084436,0.0014055736971300792,0.0013838534863176279,0.0008643195336049782,0.0008273437165450247,0.0007669569861392162],"twin_dists":[0.38106005345667066,0.38860661711210187,0.3960460250363173,0.3972251061225157,0.40207828171015836,0.41062067168928834,0.41412151563878663,0.4311584437663486,0.4325562341603056,0.43501267795613363,0.4351450516305974,0.4388413303229488,0.44527679434062395,0.44807412647493555,0.4543829425553097,0.4545477531114895,0.454825564525109,0.4555479743066306,0.4569328234723735,0.46951219262977095,0.4706874227476886,0.4712451805303401,0.4878016596144972,0.48931116966722554,0.4919168242688481],"n_dims_used":45,"mean_confidence":0.9123311360677083},"coverage":{"mean_confidence":0.9123311360677083,"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}}