{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001315},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001932","480:4800001303","480:4800001759","480:4800001763","480:4800001642","480:4800001483","480:4800002241","480:4800002047","480:4800001370","480:4800002089","480:4800001240","480:4800002039","480:4800001471","480:4800001363","480:4800001230","480:4800001474","480:4800001531","480:4800001357","480:4800001874","480:4800001592","480:4800001241","480:4800001358","480:4800001645","480:4800001988","480:4800001936"],"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":[0.34956200468975523,0.2687783268641411,0.23859043330265264,0.20629369294891797,0.19335033591010595,0.18207879485956588,0.1666753648538751,0.16073946578281864,0.15631532325077716,0.15292517420979462,0.1524028307778538,0.14763952062793798,0.14713383397749769,0.13191932550370272,0.13132432818014816,0.12141906631390639,0.12134507580046117,0.12024401257871634,0.11911023725506438,0.1170504956834788,0.11699017383972268,0.11494315239910054,0.11482988481195533,0.11375740926161784,0.11190836136138249],"twin_dists":[0.18830227081592807,0.21053037384143064,0.21986848274524193,0.23075699157651477,0.23544575559330921,0.23971015054741238,0.245851223134386,0.2483267069232266,0.2502152589087779,0.2516890183974437,0.2519182136656186,0.25403540334216884,0.25426311356701276,0.26140380527609525,0.2616953341129348,0.266702081084562,0.2667406299334314,0.26731641180383975,0.26791352462013757,0.26900952749237694,0.2690418471851268,0.27014627637925137,0.27020782748351224,0.2707929519968735,0.27181181611926547],"n_dims_used":43,"mean_confidence":0.9136798769928688},"coverage":{"mean_confidence":0.9136798769928688,"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}}