{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002919},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003445","489:4890003248","489:4890003262","489:4890003073","489:4890003332","489:4890002091","489:4890002089","489:4890002750","489:4890002716","489:4890002735","489:4890002737","489:4890002582","489:4890003454","489:4890002472","489:4890003257","489:4890003084","489:4890002100","489:4890003449","489:4890002817","489:4890002583","489:4890002647","489:4890001677","489:4890003170","489:4890003075","469:4690002262"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,469],"twin_sims":[0.737130202634136,0.6501665329495011,0.6430873522716186,0.6390913736847416,0.628550404956913,0.6283138305269402,0.6253796214861799,0.6213862247548617,0.6139500342142247,0.6039052432711234,0.5908224617547198,0.5875236152925347,0.5853925310538696,0.5784514657645807,0.578337583013965,0.576689086998144,0.5667268199081985,0.5639471210358761,0.5514548090249811,0.5447604679947661,0.5325109921172118,0.5324045371021461,0.5311806158244156,0.5302774408393159,0.5222324513230482],"twin_dists":[0.10143367685180979,0.12051439128211118,0.1220370667007875,0.12289556024733589,0.12515737640216876,0.12520810030705523,0.12583710839938256,0.12669287195093842,0.1282857206683039,0.1304366629084261,0.1332387814943396,0.13394572837811752,0.1344025461661749,0.13589124934129915,0.13591568651241584,0.1362694715226644,0.13840963524532576,0.13900754491008138,0.14169959916761088,0.1431460890995532,0.14580130580186862,0.14582443352063937,0.14609040368679513,0.1462867548191401,0.14803896910561654],"n_dims_used":45,"mean_confidence":0.9149916754828559},"coverage":{"mean_confidence":0.9149916754828559,"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}}