{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009921},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005364","490:4900010818","490:4900010120","491:4910004804","491:4910005006","497:4970000327","491:4910004856","490:4900011949","490:4900009820","490:4900009619","491:4910004803","490:4900010021","490:4900010023","490:4900010213","490:4900010146","490:4900010302","497:4970000272","490:4900010121","491:4910005464","490:4900011359","491:4910003996","491:4910005714","490:4900007781","490:4900010235","490:4900012578"],"twin_admin_codes":[491,490,490,491,491,497,491,490,490,490,491,490,490,490,490,490,497,490,491,490,491,491,490,490,490],"twin_sims":[0.03576444173280472,0.031896033139488425,0.023311851040511578,0.01627268245828557,0.015558063045573459,0.010641945037231952,0.01063403198542787,0.010490573790448179,0.00994478330404744,0.008110208987851511,0.007796882380114944,0.00502449096548533,0.004629163794555285,0.00433371274079749,0.003663320827812693,0.0036273460428599964,0.002540103637632759,0.002383991860021187,0.0018654782567356283,0.0018479324165231966,0.0018358741410280154,0.0018284125370790845,0.0015417984491407852,0.0015124715545694223,0.0014446789351942114],"twin_dists":[0.3352070896563427,0.3409186060256706,0.35609270186895603,0.37273151989085,0.3747582848684742,0.3914785025298334,0.3915105509414162,0.39209527834953695,0.39438702052639396,0.40301422622811217,0.4046598638576003,0.4225785781651989,0.4258369969262019,0.42844137350010575,0.4350072314494406,0.4353897255984575,0.44898083232904445,0.4513574358993915,0.4604316295447866,0.46077769143899405,0.4610172784591732,0.4611662604138665,0.4673607265866974,0.46805331591696975,0.46970300754167366],"n_dims_used":45,"mean_confidence":0.8857347276475694},"coverage":{"mean_confidence":0.8857347276475694,"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}}