{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002845},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003527","490:4900003258","490:4900003521","490:4900003130","490:4900003259","490:4900003952","490:4900003131","490:4900003390","490:4900002993","490:4900003265","490:4900003396","490:4900004493","490:4900002846","490:4900001511","490:4900003256","490:4900003139","490:4900003267","490:4900003536","490:4900003254","490:4900001376","490:4900003403","490:4900003519","490:4900001516","490:4900003125","490:4900003266"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4436115786275063,0.4404350220996177,0.39287559267953626,0.34656974129676876,0.3418896675738737,0.3340858015742664,0.3071726590338558,0.3021603264974164,0.29633513751599155,0.2687658315068098,0.26313572286882153,0.26203216294291964,0.24311059283415057,0.2406990461948989,0.21395243678739997,0.17782093581234695,0.17284930732514542,0.1656125038621496,0.149699939898723,0.14336129499588984,0.1051946651551237,0.10315952999536396,0.08988092612442,0.08493950936263298,0.08187279581217419],"twin_dists":[0.16558930129269914,0.16631972006350434,0.17753061205200898,0.18907077786948034,0.1902798380956769,0.19231578220719225,0.1995461615783493,0.20093203571299686,0.2025595920351658,0.2105340985613214,0.21222344241559868,0.2125572078498064,0.21842393244955863,0.21919242362297403,0.22807687225593598,0.24136943474689773,0.2433430040097489,0.2462897352894632,0.25311350678618527,0.2559804266025718,0.2756243045737561,0.27681726531859885,0.28508970712230625,0.2884158815112187,0.29055848796189143],"n_dims_used":45,"mean_confidence":0.9166872660319011},"coverage":{"mean_confidence":0.9166872660319011,"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}}