{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960002287},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960001911","496:4960001199","496:4960002563","496:4960001094","496:4960001312","496:4960001785","496:4960002707","496:4960002564","496:4960001311","496:4960001658","496:4960002421","496:4960001426","496:4960001431","496:4960001543","496:4960002417","496:4960002423","496:4960011503","496:4960002702","496:4960001200","496:4960001427","496:4960001304","496:4960001081","496:4960002558","496:4960001787","496:4960010844"],"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":[0.7610390594721141,0.7157345162669536,0.6560312421547401,0.6213485884017819,0.6120833878108689,0.6111430323993754,0.6106010083956981,0.6060840778361352,0.6059019909772182,0.558823518330171,0.5493568149741439,0.5423152858345269,0.5387739984296648,0.5249873852341528,0.4954672193419907,0.47992812415159847,0.4734337701923843,0.4708843145322091,0.4683042406715302,0.46718049512236337,0.45136120120913015,0.4455877879182609,0.4447778113166793,0.439941611658699,0.43992601703821793],"twin_dists":[0.09597902039426423,0.1062189065441629,0.11925093047135897,0.1267009357696524,0.12868546594204425,0.12888683548581104,0.12900290333591202,0.12997011248045698,0.1300091021932109,0.1401106248546509,0.14215260853089803,0.14367520210765658,0.14444227959834913,0.14743826862432396,0.15391678410995305,0.1573700398280045,0.15882362139800207,0.15939603624637172,0.15997638720937638,0.16022949753493476,0.1638156873595948,0.16513590820943747,0.1653216442669054,0.16643335855884478,0.1664369510035641],"n_dims_used":45,"mean_confidence":0.9239809672037761},"coverage":{"mean_confidence":0.9239809672037761,"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}}