{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001384},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001947","490:4900002701","490:4900002097","490:4900002096","490:4900003830","490:4900001797","490:4900004106","490:4900002099","490:4900004242","494:4940009006","490:4900004108","490:4900004247","490:4900002422","490:4900003547","490:4900001959","490:4900004241","490:4900003142","490:4900001957","490:4900001950","490:4900003976","490:4900001962","490:4900001523","490:4900002558","490:4900004521","490:4900001790"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.48303373635762187,0.4629282458090274,0.32129897787550293,0.3189390688184082,0.3022684222162463,0.2953292783938235,0.2769567129583786,0.2603827919905927,0.25651135555635585,0.22854700711345155,0.21999394337057368,0.216394531257895,0.21610035419873802,0.21006938853125584,0.20802969810344973,0.20383848372523072,0.20179198506277554,0.19815762379478774,0.1876206417615299,0.17857624534179406,0.16864750459542038,0.16837557819445712,0.1555925939942566,0.14779389910471272,0.14334986531162727],"twin_dists":[0.15667716881899085,0.16118917346490924,0.19570867412565351,0.19634301122720402,0.200902007855801,0.20284252516112702,0.20811502621783354,0.21305769742833078,0.21424034520376664,0.22314337097801212,0.2260081233715702,0.22723596875724916,0.2273369247355833,0.22942741778663622,0.23014363293789952,0.23163050875518007,0.2323641424843683,0.23367971764874518,0.23759104088018074,0.24107305160990322,0.24504287322705753,0.2451539259047328,0.25052746620570765,0.25396600166918754,0.25598568019174456],"n_dims_used":45,"mean_confidence":0.9141860114203559},"coverage":{"mean_confidence":0.9141860114203559,"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}}