{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000569},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000808","490:4900000912","494:4940007924","490:4900000908","490:4900001179","490:4900000570","490:4900003080","490:4900001180","490:4900000577","494:4940008313","494:4940007386","494:4940008024","490:4900000411","494:4940007809","490:4900000930","494:4940008422","490:4900000588","494:4940007821","490:4900000496","490:4900000589","490:4900000467","490:4900002932","490:4900000798","490:4900000909","490:4900000466"],"twin_admin_codes":[490,490,494,490,490,490,490,490,490,494,494,494,490,494,490,494,490,494,490,490,490,490,490,490,490],"twin_sims":[0.6593315686960536,0.6128725554485852,0.5866076470288967,0.5861700703398153,0.5861574804765061,0.580300865061299,0.5731288378982402,0.5632052170926963,0.5360506251416132,0.5226792639047646,0.5053965540208908,0.5043159111608293,0.5021816268434073,0.4959569587756965,0.4946742846825951,0.49042081851691655,0.48729130743387894,0.4854473924607766,0.48356912153817344,0.4808813091688866,0.477566247524206,0.4755491073695287,0.4745899302986876,0.4722880671664953,0.4647865707570164],"twin_dists":[0.11853901823964805,0.12851646765110913,0.13414206192455597,0.13423586117935574,0.13423856001733003,0.1354944589500685,0.13703386232502418,0.13916718983861195,0.1450328435471224,0.14794149473064427,0.15172674482124554,0.1519645164456216,0.15243452375516522,0.1538084787035315,0.15409220629622636,0.1550346133304236,0.15572954760433627,0.15613963878827467,0.15655786463638785,0.15715723108412832,0.15789793742223696,0.1583494522230396,0.15856437293575323,0.15908073204638726,0.16076939956211414],"n_dims_used":45,"mean_confidence":0.9157769944932725},"coverage":{"mean_confidence":0.9157769944932725,"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}}