{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000098},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000031","490:4900000078","490:4900000120","490:4900000139","490:4900000434","490:4900000073","490:4900000160","490:4900000095","490:4900001741","490:4900000166","490:4900000349","490:4900000185","490:4900000425","490:4900000119","490:4900000325","496:4960006370","490:4900000165","490:4900000296","490:4900000182","490:4900004321","490:4900000436","496:4960008158","490:4900000403","490:4900000218","490:4900000205"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,496,490,490,490],"twin_sims":[0.8305857213290196,0.7748428473977373,0.7330839246925521,0.6179020555521095,0.6099347120629715,0.5822550265522324,0.5778972409522601,0.5751563330832864,0.5117485973090583,0.4866814725613075,0.48455891363700515,0.48395110880018527,0.47919193910398566,0.4743151801764553,0.4469369316386477,0.44620397412942797,0.44512640336181325,0.44392199852620723,0.4351268835762159,0.42986643653065154,0.42900141427597277,0.4070908571856714,0.38247138155610605,0.37596587543665244,0.3753451210690301],"twin_dists":[0.0791327156132585,0.09276621941043038,0.10234490131866257,0.12743927964814897,0.12914558069974966,0.13507530318666908,0.1360101798762686,0.13659850009390412,0.15033181390576872,0.15586512370968625,0.15633740960401663,0.15647276852930797,0.15753449323418597,0.1586259618941167,0.16482682095962042,0.1649946965734378,0.16524169265379357,0.1655180318007941,0.16754489471395126,0.16876496076492878,0.16896616525897187,0.17412084942092912,0.1800625763343138,0.181662506918427,0.18181587297019403],"n_dims_used":45,"mean_confidence":0.9172685411241319},"coverage":{"mean_confidence":0.9172685411241319,"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}}