{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006765},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006523","487:4870008691","487:4870003037","466:4660003383","490:4900000893","490:4900006524","487:4870011577","487:4870011576","487:4870011692","487:4870008692","490:4900000574","487:4870011691","490:4900000412","487:4870011911","490:4900005921","487:4870001314","487:4870012031","490:4900012281","487:4870012240","487:4870011219","487:4870012134","490:4900005013","487:4870002372","479:4790002466","490:4900000064"],"twin_admin_codes":[490,487,487,466,490,490,487,487,487,487,490,487,490,487,490,487,487,490,487,487,487,490,487,479,490],"twin_sims":[0.39243851731775103,0.16401235054447524,0.1472540844311259,0.144227908402226,0.13905733290545028,0.13607233374124345,0.1294473622275984,0.12051557000536724,0.11649219819923777,0.11167797554943788,0.10608470352349712,0.10339337179575034,0.10266909838653775,0.10112103458690151,0.09840183673157214,0.09735073355862947,0.09230464442185461,0.0873727936616106,0.08030231424527091,0.07874192091121468,0.07050715354540063,0.06887308732112324,0.06850134501302996,0.06790745667019699,0.06691194747153167],"twin_dists":[0.17763633958672254,0.24695377089100082,0.2542089125565105,0.255582995053086,0.2579811440487833,0.25939603915543513,0.26262156078732124,0.26717403277538604,0.26930914587223753,0.27193967115815093,0.2751082196575653,0.27667926381676655,0.2771074873690846,0.2780307401095253,0.2796795630793997,0.28032649265777454,0.2835110273117178,0.2867592993394899,0.2916806833554948,0.2928132343791925,0.29910864783886504,0.3004280592830007,0.3007317663335182,0.30121975677682916,0.3020456046626854],"n_dims_used":45,"mean_confidence":0.9099500868055556},"coverage":{"mean_confidence":0.9099500868055556,"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}}