{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005890},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004675","490:4900004674","494:4940007767","490:4900007373","494:4940008287","490:4900001540","490:4900004810","494:4940007872","490:4900005243","494:4940008631","494:4940007858","490:4900005635","490:4900001410","470:4700005008","466:4660003646","490:4900007622","490:4900005104","490:4900005624","466:4660003539","490:4900005377","494:4940008761","490:4900011051","490:4900004694","490:4900012915","490:4900003995"],"twin_admin_codes":[490,490,494,490,494,490,490,494,490,494,494,490,490,470,466,490,490,490,466,490,494,490,490,490,490],"twin_sims":[0.544297664374246,0.36737235044450883,0.34792485273831664,0.3117234307991563,0.30047257278684664,0.27149107412454143,0.2708769907844328,0.24644227814917505,0.23529865619351917,0.22814801213437363,0.22676423145437363,0.2246062881613926,0.22313187263502945,0.2218092297403646,0.22176198559255958,0.21620826895501458,0.2158307433143871,0.21535998906434653,0.21165377565477336,0.20991993245064905,0.2090819166366782,0.20633575053545158,0.19937456642346937,0.19270393612381823,0.19041927614397214],"twin_dists":[0.14324620246721842,0.1837968919892333,0.18872231190379435,0.19829915548270757,0.20140169034935612,0.2097242573842156,0.2099063003776232,0.21737028018988988,0.220931711228976,0.22327541127455863,0.2237345368353893,0.2244542456923223,0.22494863513255633,0.22539398977587788,0.22540993037591375,0.22729987969814883,0.22742953140490876,0.22759141442534223,0.22887433255930095,0.22947973663968094,0.2297735640118299,0.23074209038567878,0.23323736658258606,0.23568553891829078,0.23653755681352157],"n_dims_used":45,"mean_confidence":0.9237622578938802},"coverage":{"mean_confidence":0.9237622578938802,"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}}