{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960001600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960001132","496:4960001486","496:4960002777","496:4960003610","496:4960001362","496:4960002631","496:4960002768","496:4960004308","496:4960003200","496:4960001360","496:4960002223","496:4960003322","496:4960001601","496:4960003727","496:4960003451","496:4960001606","496:4960001599","496:4960001134","496:4960001861","496:4960001968","496:4960002229","496:4960001245","496:4960002623","496:4960001605","496:4960002662"],"twin_admin_codes":[496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496,496],"twin_sims":[0.88275148677542,0.8397600059418848,0.7939948665332998,0.7470162594903637,0.7420158991907608,0.7398709294193769,0.7238401992317062,0.7165396913539855,0.6465207400544432,0.6132423623834251,0.5975513103167457,0.5951204283451427,0.5800088850993408,0.5779297882892173,0.5724089243080792,0.5674717335210132,0.5618682963196255,0.5608432013965142,0.5606236290735306,0.558260018041198,0.5447687697593417,0.5357444650052435,0.5336555280166232,0.5324858243599666,0.523764290920277],"twin_dists":[0.0648622783651129,0.07675552207014383,0.08821495138628914,0.09919356060171033,0.10032913146637737,0.10081465189789819,0.10441531267998237,0.10604021437296239,0.1212988777304888,0.1284372728582448,0.13179734689552292,0.13231801092359358,0.13555709651916803,0.13600319530041463,0.1371884859523232,0.13824946582408165,0.13945494097641217,0.13967563791067905,0.13972291760893582,0.14023202718825492,0.14314429340506746,0.1450992711791592,0.14555271147217477,0.1458067734975908,0.14770487005045713],"n_dims_used":45,"mean_confidence":0.9350246853298612},"coverage":{"mean_confidence":0.9350246853298612,"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}}