{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001115},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002542","490:4900001123","490:4900003658","490:4900002690","490:4900002676","490:4900003117","490:4900002526","490:4900002528","490:4900002675","490:4900002380","490:4900003516","490:4900002378","490:4900002377","490:4900002069","490:4900001914","490:4900001773","490:4900003809","490:4900003121","490:4900001497","490:4900003137","490:4900002838","490:4900002976","490:4900004504","490:4900004222","490:4900002228"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4865490393306167,0.3454167889759085,0.329118821124901,0.31937352219598963,0.3046037906216838,0.29711820704392355,0.2612260359370475,0.2485095009579007,0.22455202573668553,0.22411159209710793,0.19085639784249797,0.1883858695848873,0.18811909081742126,0.18019413874853535,0.17696613619934437,0.15328089706975756,0.13986045534980707,0.12699927871275019,0.11632359484621256,0.10993602919595095,0.10757809503295361,0.10667762415286641,0.10329447413289228,0.10304462813685317,0.09802166228624042],"twin_dists":[0.15589457260269313,0.1893678256838177,0.1936250845402237,0.19622603396149252,0.20025478503109664,0.20233971764806868,0.21280157344064324,0.21672111768467414,0.22447240218896047,0.22461988175737868,0.2363739914955803,0.23730190102781878,0.23740260925654727,0.24044117129284345,0.24170593868893792,0.2515332619634809,0.2576043415698856,0.263844991296769,0.2693998458759558,0.27291303473281175,0.2742497912930344,0.2747662819037504,0.2767375984428469,0.276885163936531,0.2799129227642164],"n_dims_used":45,"mean_confidence":0.9136182996961806},"coverage":{"mean_confidence":0.9136182996961806,"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}}