{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003386},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003384","490:4900003525","490:4900003394","490:4900003659","490:4900003531","490:4900003663","490:4900003264","490:4900003382","490:4900003791","490:4900004220","490:4900002843","490:4900003930","490:4900003524","490:4900004078","490:4900002835","490:4900001641","490:4900002983","490:4900003933","490:4900001109","490:4900001239","490:4900003387","490:4900001782","490:4900003526","490:4900001774","490:4900002544"],"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":[0.3513532591224434,0.021584286764874464,0.016961473799751818,0.01644664710082052,0.014682249314754325,0.010482004675643803,0.009242861124624266,0.008552578634624088,0.008499833793898643,0.004972328210121878,0.004615280203554646,0.0033445173291921635,0.003162710781266078,0.0030864366060747387,0.002512468669498474,0.002450053047661425,0.0019203639805361503,0.0016705533100439195,0.0016337498074750533,0.001584613874774017,0.0014713778830095392,0.001400455328362767,0.0013304589950810803,0.001324279786664921,0.0012935721357067438],"twin_dists":[0.18784387169394376,0.35972136930457044,0.3708507143547869,0.3722499904171422,0.37735706882388914,0.39213043040831386,0.39750521176598275,0.400785279579057,0.40104554740051995,0.4229949285257294,0.42595595529026736,0.43852338986884914,0.44066801199416705,0.441601448447117,0.44939160545769785,0.4503348210909278,0.4593681192207129,0.46445703849715797,0.4652653553318147,0.46637111064993514,0.46904494225402343,0.4708181375256919,0.47265147372267946,0.47281757470513164,0.47365379680278374],"n_dims_used":45,"mean_confidence":0.9155748155381944},"coverage":{"mean_confidence":0.9155748155381944,"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}}