{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009431},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008558","490:4900008335","490:4900008121","490:4900008561","490:4900009333","490:4900009001","490:4900009114","490:4900008998","490:4900008882","490:4900008447","490:4900008334","490:4900009533","490:4900008785","491:4910004698","491:4910005051","491:4910005515","490:4900008108","491:4910005307","491:4910005100","491:4910005400","490:4900009214","490:4900008804","490:4900009325","491:4910005210","491:4910005257"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,491,491,490,491,491,491,490,490,490,491,491],"twin_sims":[0.5441955536061923,0.239108111779316,0.2135091198711426,0.20117473797556074,0.19496034653578118,0.18716009197114153,0.15919321662247923,0.14753189052026922,0.14018544748691575,0.13957976876262526,0.12944864875874917,0.12366668549366254,0.12308204981350201,0.11978656751334268,0.10963861115523948,0.09226192486453334,0.08573652891553701,0.08549375952412828,0.08499025030760671,0.07966302910889102,0.07844035289106319,0.07280206161185898,0.07216287008709901,0.07026734793553668,0.06914005708197148],"twin_dists":[0.14326829303616492,0.21970214708101246,0.22823021663602422,0.2325864177374847,0.23485093272653165,0.23776545747313735,0.24898240742476033,0.25408382075281666,0.2574523230506208,0.25773584786902254,0.2626209224609528,0.2655395201977332,0.2658403589452323,0.2675568091819413,0.2730804155348288,0.2835385670844034,0.2878691552695611,0.28803525575855216,0.28838095349374115,0.2921425295203201,0.29303419018076177,0.29729691439761813,0.29779682594513873,0.2993007114396528,0.30021077093307935],"n_dims_used":45,"mean_confidence":0.8889053344726563},"coverage":{"mean_confidence":0.8889053344726563,"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}}