{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730002223},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000004450","500:5000001371","473:4730004040","473:4730001660","500:5000002476","500:5000002601","473:4730001914","473:4730001991","500:5000006789","500:5000002891","500:5000002598","500:5000002109","500:5000005483","500:5000001966","500:5000004272","473:4730001994","473:4730001845","500:5000002741","500:5000005809","473:4730004045","500:5000001484","473:4730001757","500:5000002335","473:4730002071","473:4730003769"],"twin_admin_codes":[500,500,473,473,500,500,473,473,500,500,500,500,500,500,500,473,473,500,500,473,500,473,500,473,473],"twin_sims":[0.5191775554920433,0.4710818489126389,0.4486664259007161,0.44114800492743905,0.4353459050296625,0.43194167581332077,0.4045217976797879,0.3988880401160585,0.3984912703714662,0.3755962196751234,0.36850595686832116,0.36576175201958444,0.3545642251631771,0.347922316966104,0.33457199498852896,0.32924903181196324,0.3217165015696925,0.3211558098095647,0.3193533142476345,0.31804485457008114,0.31564390297443107,0.3155318950773544,0.314031024584324,0.31151093968240406,0.3109568397259382],"twin_dists":[0.14870592993162837,0.15935164799430562,0.1644311124517231,0.16615559904004357,0.16749422556261134,0.1682829302736657,0.17473304601759335,0.1760816920551569,0.17617699791169347,0.18175382060871853,0.18351392836941505,0.18419967251680197,0.18702519420549446,0.1887229633072582,0.19218819354482666,0.19359062315453113,0.19559671703306097,0.19574708273602912,0.196231472999613,0.19658406233366008,0.19723317852018485,0.19726352879383044,0.19767080374048934,0.1983571494369387,0.19850848310069732],"n_dims_used":45,"mean_confidence":0.9203179253472222},"coverage":{"mean_confidence":0.9203179253472222,"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}}