{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000441},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000858","490:4900000534","490:4900000982","490:4900000536","490:4900000449","490:4900000983","490:4900000981","490:4900000635","490:4900000528","490:4900000443","494:4940007941","490:4900000261","490:4900000634","490:4900000440","490:4900000530","490:4900000984","494:4940008144","494:4940007834","494:4940008158","490:4900000539","490:4900000447","490:4900012299","490:4900000367","490:4900000533","490:4900000978"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,494,494,494,490,490,490,490,490,490],"twin_sims":[0.5294872933408514,0.3653435039258624,0.32786284207266597,0.32355341523551556,0.2996764267414025,0.28373027269987416,0.2434396570869719,0.23073672174058735,0.23015762713743632,0.18599358964981516,0.17951570195909497,0.17752463168184893,0.17067036151777298,0.1672930629074817,0.16708047027201542,0.1659604397586922,0.14964675198739077,0.14447157286462858,0.12745535512365014,0.12384005156138037,0.12310722441164182,0.11535705417580965,0.11300949445533993,0.11161236144210832,0.0956407813751405],"twin_dists":[0.14645859173520853,0.18430441418500929,0.19395787639202156,0.1951051183257457,0.20162377017675465,0.20614736741645134,0.2183194521472228,0.22242142189872102,0.22261190809451467,0.23820857987956331,0.24070564813476988,0.24148594858526304,0.24422076626541458,0.24559730076337521,0.2456846166532259,0.24614596191453475,0.25313718672249774,0.25547156901072865,0.2636157223283988,0.26545051846646683,0.2658273823489544,0.26992175244385164,0.27120352015021737,0.27197612164410995,0.2813907509517054],"n_dims_used":45,"mean_confidence":0.9107626173231337},"coverage":{"mean_confidence":0.9107626173231337,"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}}