{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700007636},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001308","496:4960011182","493:4930000257","479:4790001998","469:4690002585","488:4880006012","466:4660012332","470:4700001325","480:4800004330","469:4690003308","490:4900004988","489:4890003013","478:4780005750","470:4700005548","493:4930000013","496:4960004598","474:4740001081","500:5000008830","496:4960004760","499:4990001405","489:4890002844","496:4960011341","469:4690003406","474:4740005239","467:4670001922"],"twin_admin_codes":[499,496,493,479,469,488,466,470,480,469,490,489,478,470,493,496,474,500,496,499,489,496,469,474,467],"twin_sims":[0.0069373010023862204,0.003824134540681875,0.0025626985697724558,0.0021562802067385646,0.002011685704377582,0.0007965297794045254,0.0007411759013585439,0.0005386530895071987,0.00034875820247188313,0.0003421995100423908,0.00032735140625576105,0.0002579261181038158,0.00025157029426634757,0.00021261890172326727,0.00019533479902993886,0.0001867654435488187,0.00017706037519019024,0.00017214964280591797,0.00016807968205658752,0.00016504035556602558,0.00014064558615752007,0.00011873770490515081,0.00011637153195028969,0.00010910413617706786,0.0000973181983880661],"twin_dists":[0.409499942116972,0.4333381758779985,0.448648007259707,0.4550936454778592,0.45765905380041355,0.49061782248525515,0.4930878684226609,0.5038875310215476,0.5182344126475769,0.5188519618930727,0.5202920548829704,0.5279629498219881,0.5287594759206976,0.5340987567860002,0.5367697179323622,0.5381775931998258,0.539847479667974,0.5407255751710316,0.5414714063930514,0.5420395564094093,0.5469941962996008,0.5521909380958486,0.5528054612888489,0.5547695636488581,0.5582344660359432],"n_dims_used":43,"mean_confidence":0.8884904550951581},"coverage":{"mean_confidence":0.8884904550951581,"n_dims_used":43,"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}}