{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003864},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003724","490:4900002001","490:4900003199","490:4900003478","490:4900003734","490:4900003880","490:4900003208","490:4900001840","490:4900004426","490:4900002453","490:4900003457","490:4900001558","490:4900003614","490:4900004156","490:4900001426","490:4900001866","490:4900004147","490:4900003324","490:4900002465","490:4900003464","490:4900002908","490:4900003207","490:4900003332","490:4900001839","490:4900003218"],"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":[0.7438679393616797,0.7248931600225456,0.7011720095981,0.6474547546768055,0.6283752036325658,0.6234788443512154,0.6230166533500389,0.6229896159320196,0.5881325656172789,0.5870117766055339,0.5831872211318205,0.5681927787514365,0.5618341718066426,0.5615835442558642,0.5343799860390321,0.5251217565646908,0.5239526764292443,0.523004264337698,0.5202521247995255,0.5097831430956106,0.5000240166537214,0.49469433294013415,0.4913750099218124,0.4805310621591946,0.4735207471799687],"twin_dists":[0.09990915366610599,0.10418022683414874,0.10943450330948244,0.12109796455186304,0.12519494144426369,0.12624447449310489,0.1263435179462703,0.1263493116962923,0.13381521289619713,0.13405543631059894,0.13487539105804996,0.1380944520518544,0.13946228691800072,0.13951624101820437,0.14539541473370318,0.14740898783544926,0.14766379796268783,0.14787060628822485,0.14847121985060646,0.15076295168437115,0.15291022472840513,0.15408776998743037,0.15482299173792125,0.15723541187474072,0.15880411107261808],"n_dims_used":45,"mean_confidence":0.9180815802680121},"coverage":{"mean_confidence":0.9180815802680121,"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}}