{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001543},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001406","490:4900004422","490:4900002739","490:4900003850","490:4900003565","490:4900005096","494:4940006833","490:4900001811","494:4940007481","494:4940007474","490:4900003580","494:4940006832","490:4900003318","490:4900001404","490:4900005375","490:4900002446","490:4900004124","490:4900002135","490:4900003707","490:4900004137","494:4940007689","494:4940008201","490:4900001963","490:4900005892","490:4900003861"],"twin_admin_codes":[490,490,490,490,490,490,494,490,494,494,490,494,490,490,490,490,490,490,490,490,494,494,490,490,490],"twin_sims":[0.6278560285933956,0.5534186473637873,0.5266425884289632,0.524741460283454,0.5027875364996819,0.46786642546134793,0.41552042265545497,0.41509482397310604,0.38087205267779073,0.37707731849067355,0.3713140071492166,0.3691246533274182,0.3506523473468162,0.3505982567103782,0.34861449947223433,0.34071051921850776,0.3383502103571798,0.33280880949383546,0.3274751656531979,0.3245325634661235,0.324156699961413,0.32241913467768946,0.3169000683042124,0.3143442543627621,0.3055293041546914],"twin_dists":[0.1253062534796911,0.14127580727647127,0.1470777003141209,0.14749186235746936,0.15230103651994614,0.1600749751628664,0.17212397791781348,0.17222437245704122,0.18045467924610883,0.18138821815354866,0.18281486338530473,0.18335967664852287,0.18802309580856788,0.18803693463781218,0.18854524418473412,0.19058584999415537,0.1912001064143623,0.19265137724271494,0.19406073939558316,0.19484371192950112,0.19494400548582783,0.1954084923409802,0.19689321774253762,0.19758571489507165,0.19999908506660993],"n_dims_used":45,"mean_confidence":0.9203200446234809},"coverage":{"mean_confidence":0.9203200446234809,"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}}