{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012817},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012695","490:4900012819","490:4900012682","490:4900012882","490:4900012995","490:4900013142","490:4900013104","490:4900013033","490:4900013139","490:4900012820","490:4900012748","490:4900012939","490:4900012263","490:4900012261","490:4900012821","487:4870002167","487:4870000825","490:4900012768","490:4900012466","490:4900013238","487:4870002339","490:4900013176","487:4870002346","490:4900013029","490:4900013211"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,487,490,490,490,487,490,487,490,490],"twin_sims":[0.42765025739822093,0.3967539259491819,0.38453092137199046,0.3653536708692842,0.364212547200172,0.33179289284693125,0.321147865779787,0.2763587997712971,0.2714470664070822,0.2644638651793181,0.2177300357732007,0.182322269240714,0.16848899964251823,0.16139457507788255,0.16067225956538042,0.1437807698774729,0.1416050916045969,0.13224449781421177,0.11992821606960818,0.11023310978663105,0.11016496255112503,0.10309445786670697,0.10309204435988915,0.10253549209217236,0.10205271525699366],"twin_dists":[0.16928077754130283,0.1765948276547648,0.17955880117208342,0.18430186736689413,0.18458794201815856,0.19291886329601826,0.19574921421219726,0.20829011448957613,0.2097372948750862,0.21182291206439272,0.22677880682016213,0.23961610241709846,0.2451075897769451,0.24805028417452202,0.24835511077023228,0.25578783214398204,0.25679133212818606,0.261244900028515,0.2674822948960316,0.2727461931590597,0.2727844341388095,0.2768557109528951,0.27685713725453465,0.27718673882277783,0.2774737818893571],"n_dims_used":45,"mean_confidence":0.9073872884114583},"coverage":{"mean_confidence":0.9073872884114583,"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}}