{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":488,"cluster_id":4880000798},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["488:4880000802","488:4880000787","488:4880000246","488:4880000571","488:4880000109","488:4880001051","488:4880000890","488:4880000187","488:4880000883","488:4880000059","488:4880000574","488:4880000718","488:4880000725","488:4880000343","488:4880000727","488:4880000879","488:4880000573","488:4880000723","488:4880000255","488:4880000426","488:4880000152","488:4880000252","496:4960005534","488:4880000874","488:4880000309"],"twin_admin_codes":[488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,488,496,488,488],"twin_sims":[0.9540647026908645,0.937191318638283,0.9364733011350408,0.8950654419932517,0.852002754181643,0.8425199163598841,0.8012430066667806,0.780716336628306,0.7786469835899554,0.7726946629263326,0.7611699850485694,0.7570636411894589,0.753056908946039,0.7418362266577058,0.7243119965241869,0.7146328283663845,0.6888473862934696,0.688285943661204,0.6881040458921854,0.6521235927712196,0.6475869673565143,0.6343458396954952,0.6134967700733487,0.6082912944076245,0.6047349179933525],"twin_dists":[0.03982883891947008,0.046779281520327336,0.04705482501162355,0.061153769633343784,0.0735060959902508,0.076031053414269,0.08645993436150592,0.09138281248662883,0.09187139874653454,0.09326965238369427,0.09594878469725482,0.09689506469099907,0.0978144556297923,0.1003698370150224,0.10431000166164514,0.10646324269181362,0.11213449768201299,0.11225708076838024,0.11229678831101099,0.1200929904229301,0.12106952117210353,0.12391428011047831,0.12838279039225703,0.1294974871165179,0.13025900490580583],"n_dims_used":45,"mean_confidence":0.924759758843316},"coverage":{"mean_confidence":0.924759758843316,"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}}