{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003052},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004575","490:4900002310","490:4900004285","490:4900001569","494:4940008104","490:4900003723","494:4940007378","490:4900003053","494:4940007278","490:4900002906","490:4900002311","494:4940003939","490:4900004433","494:4940007503","490:4900002306","490:4900002770","487:4870000944","494:4940008487","490:4900001435","494:4940004900","490:4900004432","487:4870002463","494:4940004905","490:4900004027","494:4940007718"],"twin_admin_codes":[490,490,490,490,494,490,494,490,494,490,490,494,490,494,490,490,487,494,490,494,490,487,494,490,494],"twin_sims":[0.45287538250465476,0.371458122349352,0.33623860897921976,0.31056404843437857,0.3089196744002524,0.2928820621557452,0.2873035990989324,0.2855707361411092,0.28469291713722505,0.2750931052691203,0.2710619139100181,0.269226168400176,0.2685674379916175,0.2647798413208641,0.25999114426417447,0.2585094125444987,0.25644088953581406,0.25624313302959584,0.2479063320347725,0.24233066953917887,0.2410250059764114,0.2385117733532883,0.23624015928577335,0.2344201008222999,0.23223661376454618],"twin_dists":[0.16347048302652303,0.18277905679940148,0.191751596735109,0.198615854190183,0.199066197197803,0.20353327581263425,0.2051207725140416,0.2056176490977079,0.20587004393232872,0.2086615163045105,0.20985145375759606,0.21039694825085495,0.21059325172771803,0.2117278076008019,0.21317683238457333,0.21362858356385264,0.2142619752436061,0.21432269808239332,0.21691016939922927,0.2186719295287669,0.21908825879335855,0.21989377758710216,0.22062662368533556,0.22121712238302,0.22192951023058335],"n_dims_used":45,"mean_confidence":0.9021996392144097},"coverage":{"mean_confidence":0.9021996392144097,"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}}