{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730002902},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000003223","473:4730002695","485:4850004676","473:4730002750","489:4890003026","473:4730003600","500:5000001373","500:5000002763","473:4730002317","500:5000001322","481:4810001185","489:4890002368","473:4730000130","500:5000002910","485:4850004745","473:4730004053","473:4730002382","496:4960003965","485:4850004414","500:5000001939","478:4780006686","480:4800004638","500:5000001427","473:4730002903","485:4850005004"],"twin_admin_codes":[500,473,485,473,489,473,500,500,473,500,481,489,473,500,485,473,473,496,485,500,478,480,500,473,485],"twin_sims":[0.3144418815345208,0.25596931149474644,0.24878699079508415,0.1955987411201376,0.159104113406036,0.12456353991499036,0.10369686249845225,0.09471241926193427,0.07007461744443895,0.06415203350441202,0.061101645095645515,0.060262605896499684,0.052498559884675895,0.05134839691318126,0.0480502656851861,0.04725910596268071,0.043348079901496354,0.04262730017552204,0.04180271811150871,0.04126754304753581,0.038938611100726744,0.03826343067202893,0.03655541096419196,0.036285456541257415,0.0361525332898413],"twin_dists":[0.19755920432689858,0.21440682632319905,0.21663424259968259,0.23461602057090267,0.2490203333642507,0.2650801174944515,0.2765005214662101,0.2819748386172565,0.29945545793754647,0.30438875566766904,0.3070764906266222,0.30783505671773803,0.3153019578568346,0.31648478298683586,0.3200033370603965,0.3208772518805621,0.32538641506736804,0.326254451600759,0.32726277872624976,0.327926212221944,0.330900668435158,0.3317910952746172,0.33410453865530243,0.3344785369578829,0.3346635593895232],"n_dims_used":45,"mean_confidence":0.9189066569010417},"coverage":{"mean_confidence":0.9189066569010417,"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}}