{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002196},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002149","491:4910001541","491:4910002349","491:4910001430","491:4910001557","491:4910002827","491:4910002095","491:4910002186","491:4910001895","491:4910001429","491:4910001232","491:4910002372","491:4910002057","491:4910002088","491:4910001044","491:4910002284","491:4910002039","491:4910002090","491:4910001616","491:4910001600","491:4910001782","491:4910001721","491:4910003190","491:4910001296","491:4910001540"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.663112813083819,0.5242102433146242,0.3928504736901482,0.3722358892698099,0.3556861170966787,0.34781744439742157,0.3262403736617246,0.32464428895448755,0.29001994171941775,0.28487890398661037,0.2657062395573494,0.2638124170485254,0.26137028131582796,0.2513669652181487,0.23606548832868038,0.2305473048901633,0.22759004122497492,0.21910346818101561,0.21441147192209348,0.20011956887212182,0.19755260618305187,0.19186257677625182,0.1866068882843749,0.18201918811482343,0.17476001315400588],"twin_dists":[0.11772248619440208,0.14760764825811765,0.17753668679640194,0.1825859328670631,0.1867400604121797,0.18874990575358583,0.1943888184949711,0.19481391210230883,0.20434549347605827,0.2058165290297984,0.21144938172026523,0.21201921306562124,0.21275781285915557,0.2158294693052928,0.22068316445349828,0.22248369356741296,0.22346031832721755,0.22631062285564746,0.22791831699961718,0.23296748161610256,0.23390033658387918,0.23599848338070187,0.23797536195823055,0.23973318869359336,0.2425797884725887],"n_dims_used":45,"mean_confidence":0.8984411451551649},"coverage":{"mean_confidence":0.8984411451551649,"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}}