{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001577},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001397","480:4800001524","480:4800001689","480:4800001522","480:4800001335","480:4800001859","480:4800002075","480:4800001897","480:4800001960","480:4800001568","480:4800001780","480:4800001287","480:4800001840","480:4800001336","480:4800001786","480:4800001446","480:4800002389","480:4800002155","480:4800001736","480:4800001401","480:4800001611","480:4800002483","480:4800002255","480:4800001459","480:4800002021"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5173568473361437,0.4779057312233391,0.43619498662063394,0.4071001404088168,0.3372780822915467,0.3324529128536152,0.3206207721050049,0.3148657930662866,0.30518946922353474,0.2867838487767886,0.2835268756353032,0.2772452703256596,0.2740082569878152,0.26561470945094656,0.26089482424919275,0.25526108936495834,0.2548179897398901,0.23427386051562743,0.22722410494329684,0.22630443901282965,0.22363285180658976,0.21321389733374066,0.21286207306127314,0.210965473425669,0.20949894392977345],"twin_dists":[0.14910387740463135,0.15782200860186152,0.16729789213300839,0.17411864038815383,0.19147988284945566,0.19274503233862256,0.1958907056444545,0.1974441457036294,0.20009292217144758,0.20526961514501138,0.20620603562440065,0.20803060988742747,0.20898068504997552,0.21147686383057043,0.21290211252839297,0.21462468336045332,0.21476118061661084,0.22126469860983394,0.22358174969601294,0.22388750257357354,0.2247804073475455,0.2283324542704481,0.2284544186256413,0.22911426187035852,0.22962724485686156],"n_dims_used":43,"mean_confidence":0.9206330942553144},"coverage":{"mean_confidence":0.9206330942553144,"n_dims_used":43,"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}}