{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012712},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012846","490:4900012780","490:4900002887","490:4900005509","490:4900012849","466:4660007296","466:4660005538","490:4900004409","490:4900012571","466:4660007143","490:4900004134","490:4900001583","466:4660004805","494:4940007251","490:4900005493","490:4900002123","490:4900002582","490:4900005100","490:4900006388","466:4660007754","490:4900002625","494:4940003851","466:4660010184","490:4900002744","487:4870000735"],"twin_admin_codes":[490,490,490,490,490,466,466,490,490,466,490,490,466,494,490,490,490,490,490,466,490,494,466,490,487],"twin_sims":[0.31114500346764495,0.09048542433644394,0.08219411308103275,0.08108081600415169,0.06865771548350974,0.04214631402424456,0.03641171060664064,0.035960457680891116,0.0353727968290044,0.03460648398881091,0.03459329450121194,0.03280819472083189,0.030949699583057502,0.030701336411249357,0.028730904616994256,0.028578663499676745,0.02779174189347399,0.027371864613095664,0.025549963573679144,0.024234818976540725,0.02362095521845829,0.023041329387755025,0.021975397236657583,0.0200567677489298,0.019559391766024923],"twin_dists":[0.19845707526486644,0.2846928449855488,0.29033101604860295,0.2911222249845113,0.300603851419098,0.32684060032435064,0.33430332993321804,0.33493194232151513,0.3357607021408486,0.33685918167500106,0.3368782687869042,0.3395206735388255,0.34240550756447957,0.3428021823752662,0.34605065889098746,0.34630952872499216,0.3476668152650337,0.3484046039533861,0.35172348575123735,0.3542486988695219,0.35546820504283005,0.3566451675109038,0.3588783315080743,0.36314674676721864,0.3643112347983843],"n_dims_used":45,"mean_confidence":0.9176046583387587},"coverage":{"mean_confidence":0.9176046583387587,"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}}