{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001507},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001379","480:4800001503","480:4800001562","480:4800001394","480:4800002201","480:4800001337","480:4800001505","480:4800002389","480:4800002435","480:4800001259","480:4800002075","480:4800002266","480:4800001897","480:4800002055","480:4800001960","480:4800001336","480:4800002020","480:4800002309","480:4800001388","480:4800001510","480:4800001675","480:4800001565","480:4800002483","480:4800002155","480:4800001099"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5692346700403217,0.44758004167548565,0.41865320852462296,0.33216103076511044,0.31385002253464356,0.29218090619521186,0.2848685227581182,0.2818576874321027,0.27041813131653875,0.2414302571203333,0.23906837641905346,0.23732570363023672,0.2356974806471536,0.23492250456040115,0.22460549446655556,0.22233174067147563,0.21960869193236018,0.21702815660909458,0.21306481570628513,0.19320850757106303,0.18172014259451832,0.18139101881555386,0.18108672610832766,0.17990806463929093,0.17900648052201268],"twin_dists":[0.13787050127366052,0.16467960985707517,0.17138633836665965,0.19282188270590717,0.19771999492226203,0.20373181339434931,0.20581951551704797,0.2066884621844924,0.2100424940819673,0.21895888266931568,0.21971490617139752,0.22027584508238693,0.22080237764695024,0.22105382383575217,0.22445451124581778,0.22521784091563266,0.22613889457047426,0.2270188339891938,0.22838411867272368,0.2354983192741247,0.23984885101609751,0.23997630237021675,0.24009428359080004,0.2405526061581723,0.24090462513537858],"n_dims_used":43,"mean_confidence":0.9202093967171603},"coverage":{"mean_confidence":0.9202093967171603,"n_dims_used":43,"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}}