{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001638},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001370","490:4900001500","490:4900001366","490:4900001235","490:4900001777","490:4900001502","490:4900001369","491:4910001341","490:4900001496","490:4900002397","490:4900001637","490:4900001780","490:4900003796","490:4900004074","490:4900001503","490:4900003941","490:4900004211","490:4900003249","490:4900003797","490:4900001243","490:4900001365","490:4900004489","490:4900001122","490:4900001640","490:4900003936"],"twin_admin_codes":[490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6972265574396391,0.6093938606630281,0.49064513225045947,0.40823646985216316,0.3787695312189619,0.3480402114935989,0.3289047507291458,0.21796206052159742,0.2071159589910268,0.19630056312089594,0.18386247837315361,0.18005448463931303,0.17658243205178797,0.15782260435027404,0.11206779297618351,0.10583738805948283,0.09520465945886762,0.0947925061414049,0.09313314521809953,0.08523062990548239,0.08128099791728925,0.08072124878885258,0.07757270826144784,0.05950375425344229,0.05679873068124089],"twin_dists":[0.11030081620222401,0.12926139459981176,0.15498485378703308,0.1738484081478764,0.18097135854575808,0.18869268053858648,0.1936817564295804,0.2266995738810458,0.2304660344367955,0.23435838163587389,0.23902320258335838,0.2404955552933567,0.24185736520438483,0.24956751458986023,0.27172345673409504,0.2752512856625805,0.28166458250202037,0.281924273948313,0.2829789030422138,0.288215711426851,0.2909793191063031,0.29137962413982366,0.29367373521463774,0.3085286397693143,0.3110618040925148],"n_dims_used":45,"mean_confidence":0.914351060655382},"coverage":{"mean_confidence":0.914351060655382,"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}}