{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700000650},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700000361","470:4700001749","470:4700001900","470:4700000653","470:4700001598","488:4880005839","470:4700001902","470:4700000538","470:4700002540","470:4700000767","470:4700001892","470:4700001144","470:4700001746","477:4770003801","470:4700002229","470:4700000551","488:4880005588","488:4880006344","470:4700000553","470:4700002210","470:4700002049","470:4700000360","488:4880000283","470:4700002368","481:4810001631"],"twin_admin_codes":[470,470,470,470,470,488,470,470,470,470,470,470,470,477,470,470,488,488,470,470,470,470,488,470,481],"twin_sims":[0.6810564282333194,0.6390818815378969,0.6388363344786545,0.6010449312525915,0.5846841040111527,0.5705894020545575,0.5597122961624382,0.5576116421733665,0.5453604456754602,0.5426084531865077,0.5229501509421938,0.5087755914727735,0.5045241828458693,0.4980171597651685,0.49712925328941016,0.4959827003764362,0.49335692608149734,0.4870148511336826,0.48466904822748225,0.48354084708190365,0.4834539248311679,0.48236602417819374,0.47229310007498154,0.47150025754870095,0.4675097823290936],"twin_dists":[0.1138326158927114,0.12289759875624791,0.12295033058227357,0.13104916090476507,0.1345544279714293,0.1375793753528694,0.13991917861564065,0.1403717369764417,0.14301632470037173,0.14361174091958948,0.14788240869372146,0.15098413174544575,0.15191868021453336,0.15335320162481364,0.15354935127560368,0.15380278682343315,0.15438382801111664,0.15579100187075964,0.15631288812589905,0.15656416422897856,0.1565835313604993,0.1568260184983928,0.1590796021427658,0.15925764737414216,0.1601553079530876],"n_dims_used":43,"mean_confidence":0.9086766797442769},"coverage":{"mean_confidence":0.9086766797442769,"n_dims_used":43,"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}}