{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005492},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005361","490:4900005357","490:4900005369","494:4940008696","490:4900002875","466:4660007445","490:4900002277","490:4900005362","490:4900005104","490:4900001812","490:4900002577","490:4900004827","494:4940007669","466:4660007580","490:4900003166","490:4900005377","490:4900005359","490:4900005491","494:4940008630","490:4900012845","466:4660007298","490:4900005243","466:4660007448","490:4900002727","490:4900005503"],"twin_admin_codes":[490,490,490,494,490,466,490,490,490,490,490,490,494,466,490,490,490,490,494,490,466,490,466,490,490],"twin_sims":[0.7754330426074663,0.5385082350787557,0.410884359197034,0.3770688239848355,0.3611152913549323,0.35388289435214926,0.35268232231696006,0.3516440654513447,0.3344794570793229,0.3275923537522527,0.3263069931648165,0.3188982513749672,0.31717405677312505,0.306432790943146,0.29190288032994804,0.2769786425567864,0.2682296431024573,0.26707513697192337,0.24321625643692,0.2372854259710778,0.23397932809934652,0.23109223728332515,0.22679255494084707,0.22337475988210545,0.21003890894540828],"twin_dists":[0.09262767182163338,0.14449988488791676,0.17321999395881443,0.1813903129831917,0.18536670369729705,0.1871985853953537,0.18750453983215018,0.1877695669112935,0.19221246991343044,0.19402963854574748,0.19437110046019948,0.19635400599229413,0.19681916845453484,0.19974990235339418,0.20381061679071827,0.2081086089149258,0.21069403125571826,0.21103906835260103,0.21839037352732585,0.22028884151937533,0.22136057769616688,0.22230463540400522,0.22372512078356022,0.22486704268962918,0.22943808546903435],"n_dims_used":45,"mean_confidence":0.9250803629557292},"coverage":{"mean_confidence":0.9250803629557292,"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}}