{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004724},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005142","490:4900004728","490:4900002952","490:4900002490","490:4900006182","490:4900005277","490:4900003621","490:4900004866","490:4900002189","490:4900004585","490:4900008762","490:4900004852","490:4900005005","470:4700004159","490:4900004870","490:4900005004","490:4900005542","470:4700004961","490:4900008761","490:4900006174","490:4900001749","470:4700005053","490:4900003622","470:4700004507","490:4900001748"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,470,490,490,490,470,490,490,490,470,490,470,490],"twin_sims":[0.6389261634154538,0.6198648525132876,0.5531246479548146,0.550165434648317,0.5409237078772016,0.5395589375149258,0.4738272415621984,0.4725492233405555,0.47110624739951384,0.44772577246508244,0.4442748013500411,0.43424906982739164,0.4260060795325547,0.4248298115647133,0.42243231108470153,0.4204968953810363,0.4140536513995903,0.4087067106497229,0.40051454315132534,0.3989504400305437,0.39808797146870023,0.3971145179174693,0.3967043764634952,0.3931845704218853,0.3870682852337455],"twin_dists":[0.12293103987365371,0.12701881616464267,0.14133923665612055,0.14197797402417173,0.14397651950024742,0.14427217254522057,0.15873536894800913,0.15902210697000704,0.15934616580687191,0.16464626247467212,0.16543705483597546,0.16774807339697523,0.1696641710747125,0.16993883201789797,0.17049963604875634,0.1709533276282587,0.17247016229723458,0.17373667679620544,0.1756914492213801,0.1760667072540954,0.17627391651225258,0.17650803679656002,0.1766067565461289,0.1774559040266797,0.1789399123693761],"n_dims_used":45,"mean_confidence":0.911403571234809},"coverage":{"mean_confidence":0.911403571234809,"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}}