{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001031},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001041","490:4900000926","490:4900000578","494:4940007511","490:4900000680","490:4900002766","490:4900000228","490:4900000590","490:4900003740","490:4900000589","490:4900000798","490:4900000489","490:4900000580","496:4960008861","494:4940008312","490:4900000606","494:4940007403","496:4960007286","490:4900001011","487:4870005855","494:4940008020","490:4900000687","490:4900001183","494:4940008726","490:4900001180"],"twin_admin_codes":[490,490,490,494,490,490,490,490,490,490,490,490,490,496,494,490,494,496,490,487,494,490,490,494,490],"twin_sims":[0.6604798767861263,0.6121472314504418,0.569992352936782,0.5466549784535153,0.5258091968008208,0.485820133603833,0.4830966559827864,0.4721880459764063,0.47079904356676955,0.46342617264016667,0.4488172188130611,0.41208389845289706,0.4069148981095794,0.40425756650634875,0.39147546330635274,0.38962604932046624,0.3808490049053207,0.3748455384233498,0.366915670996787,0.3654016852581893,0.3488085402806878,0.3470537898197806,0.3465237805280158,0.33935963397954744,0.3365951014639995],"twin_dists":[0.11829115204451694,0.12867179414321592,0.13770766912979213,0.14273642544247134,0.14725921424653113,0.15605670178083805,0.15666314579130447,0.15910318794796952,0.1594151995486758,0.1610766399613708,0.16439663829815068,0.17293589630596584,0.1741627248138486,0.17479610954847477,0.1778694938737674,0.17831798773396035,0.1804603355890141,0.1819393920793501,0.18391100884619105,0.18428984025026737,0.18849545715180263,0.1889462227727459,0.189082609242148,0.19093712908120347,0.1916583600179231],"n_dims_used":45,"mean_confidence":0.9098926968044705},"coverage":{"mean_confidence":0.9098926968044705,"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}}