{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000281},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000110","490:4900000152","490:4900000091","490:4900000094","490:4900000089","490:4900000397","490:4900000499","490:4900000205","490:4900000093","490:4900000190","490:4900000115","490:4900002658","490:4900000425","490:4900000166","490:4900000185","490:4900000599","490:4900000402","490:4900000078","490:4900000234","490:4900000518","490:4900000182","490:4900000120","490:4900000139","490:4900000506","490:4900000191"],"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":[0.565881954307166,0.5407560617387924,0.5403856567454709,0.5246632092615405,0.4995025979019094,0.49848417996339217,0.4965469959107658,0.46442848012175814,0.44782355435793386,0.44400186219328186,0.41990255341448945,0.41951005818014286,0.4126878631309576,0.40423808087992885,0.40236369587889137,0.39723712758943164,0.38532801811407386,0.38474733274017947,0.38431416489688713,0.3693790142828121,0.3632305854771483,0.36204235593806333,0.360998508940312,0.36038416008456364,0.35585748899641806],"twin_dists":[0.13859132657088014,0.14401282948846228,0.14409306188562607,0.1475089165651445,0.1530252703615688,0.15325007074884955,0.1536780333048649,0.16085024245925408,0.1646238894732882,0.1654996989523319,0.1710928274591387,0.17118499709044346,0.1727929905076141,0.1748007608750536,0.1752486584692991,0.1764785341188736,0.17936417266187535,0.17950594063786615,0.17961176022359931,0.18329629745242826,0.18483447794098337,0.18513325214410248,0.18539613322527984,0.1855510309657405,0.18669654642350145],"n_dims_used":45,"mean_confidence":0.916385735405816},"coverage":{"mean_confidence":0.916385735405816,"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}}