{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001351},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001803","480:4800001287","480:4800001407","480:4800001745","480:4800001337","480:4800001350","480:4800001737","480:4800001911","480:4800001522","480:4800002484","480:4800001801","480:4800002202","480:4800001394","480:4800001958","480:4800002399","480:4800001971","480:4800001794","480:4800001689","480:4800002018","496:4960009970","480:4800001736","480:4800001336","496:4960009707","480:4800001672","496:4960010056"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,496,480,480,496,480,496],"twin_sims":[0.356341641762056,0.3361283867935304,0.28054450196784664,0.24730653876735031,0.23882559302338738,0.19696202883164912,0.1851102962326786,0.1774231912217378,0.1760398083445827,0.16749048135984687,0.16403410412717176,0.16277992146853332,0.1597498056467599,0.15529158362382606,0.15373207894453478,0.14250445229700762,0.14225144381980223,0.14158876722190847,0.13955424612635325,0.13577204925924732,0.13307470836653246,0.10883575418471947,0.10866968775390495,0.10426255087192329,0.09873911968319132],"twin_dists":[0.18657367089787338,0.1917804349702023,0.20706921355339622,0.21709845590604598,0.2197928943117638,0.23411614110228254,0.23854541987308076,0.24152586914595534,0.24207190862267622,0.24551628875060044,0.24694471220019365,0.24746840901525344,0.24874584957714602,0.25065781059868414,0.2513360888280973,0.2563751351297098,0.2564920218725327,0.25679890470802236,0.25774781542720815,0.2595396564828563,0.26084052242532096,0.27353400843364833,0.2736281547721768,0.2761684417511206,0.2794731224269979],"n_dims_used":43,"mean_confidence":0.9198740582133449},"coverage":{"mean_confidence":0.9198740582133449,"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}}