{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001207},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001846","490:4900001173","490:4900003891","490:4900001010","490:4900003333","490:4900002189","490:4900002927","490:4900003353","490:4900004186","490:4900008422","490:4900001595","490:4900000492","490:4900004453","490:4900001072","490:4900005542","490:4900004322","490:4900002490","490:4900003749","487:4870002292","490:4900001605","496:4960011459","490:4900002764","490:4900000954","490:4900003340","490:4900004148"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,496,490,490,490,490],"twin_sims":[0.5299471599975997,0.5131433973643696,0.48937981670284825,0.4464718574971169,0.4456396537800685,0.44423749222217906,0.41460519181816846,0.35016830667636806,0.3434593911684009,0.33113560928703073,0.32835734738028244,0.3256560819444424,0.32463944922896426,0.3228242818516149,0.313603353934167,0.3096420551967506,0.30834239769594135,0.3044569330930325,0.29854988257999304,0.2955882728058525,0.2913944699252487,0.27256032794279494,0.2704347948009787,0.26640348828035354,0.26102721238092447],"twin_dists":[0.1463585758450086,0.15002610878417857,0.15526562797052704,0.16493332878647862,0.16512401922246556,0.16544561703494454,0.17233992680435845,0.18814697503223737,0.18987333750044058,0.19309216155327813,0.193826765573048,0.19454430187822452,0.19481520285336154,0.1953000636909799,0.1977870583708256,0.19886819064820754,0.19922462155534373,0.20029540002352553,0.20193860317237047,0.2027696196656522,0.20395483556234828,0.20940788530326876,0.21003754571072936,0.2112402244851092,0.21286191659247403],"n_dims_used":45,"mean_confidence":0.9167879740397136},"coverage":{"mean_confidence":0.9167879740397136,"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}}