{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001018","494:4940008664","490:4900000655","494:4940008408","490:4900000408","494:4940008874","494:4940008405","490:4900001046","490:4900004287","490:4900000894","494:4940008315","490:4900004140","490:4900000410","490:4900001016","494:4940007698","490:4900000896","494:4940007721","490:4900001175","490:4900000677","494:4940008498","490:4900001179","494:4940008789","494:4940008213","490:4900006627","494:4940006941"],"twin_admin_codes":[490,494,490,494,490,494,494,490,490,490,494,490,490,490,494,490,494,490,490,494,490,494,494,490,494],"twin_sims":[0.6953727801280626,0.5621285483758377,0.5487258387778577,0.5396895887447256,0.5283820958447065,0.5205684877609312,0.5177686121675699,0.47270558963349635,0.4722083561775106,0.4697042438696613,0.4682209363686693,0.449300761638031,0.4308914820086138,0.4306451447227782,0.4240080737180137,0.422925862555764,0.4225230292250161,0.41983309788253154,0.40862096694520195,0.40613714117489597,0.4059959354538144,0.4047322074858038,0.4032674899352392,0.40149896928832435,0.3968053220067047],"twin_dists":[0.11070719524349996,0.13939891878299487,0.14228890753770948,0.14424386320373742,0.14669903603447038,0.14840214082294798,0.1490138497024356,0.15898701058717396,0.1590986279470557,0.1596613424716874,0.15999514338640142,0.16428612046680233,0.1685267483838418,0.16858397413942203,0.17013089708342302,0.17038407986998796,0.17047839178550755,0.17110913503618005,0.1737570456578847,0.17434791472514147,0.17438155380703274,0.1746828411108857,0.17503257367417327,0.1754556076719374,0.1765824549294068],"n_dims_used":45,"mean_confidence":0.9178169250488282},"coverage":{"mean_confidence":0.9178169250488282,"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}}