{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001935},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002539","490:4900001788","490:4900002242","490:4900002540","490:4900002391","490:4900001787","490:4900002241","490:4900001786","490:4900002089","490:4900002088","490:4900002240","490:4900002392","490:4900002387","490:4900001933","490:4900003510","490:4900007044","490:4900012462","490:4900007167","490:4900012977","490:4900004619","490:4900012534","494:4940007636","494:4940003837","494:4940004438","490:4900006677"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,494,494,490],"twin_sims":[0.4587412697046652,0.3330788601191094,0.2961779079879293,0.22537943578024594,0.20901900947788338,0.1780866793337478,0.12239919590539483,0.11793348422678317,0.08138784377878316,0.0682193166148547,0.04376793712463889,0.020805484727426292,0.01189256264518388,0.009023217425851899,0.00691866442097473,0.005910030433153217,0.0054172029574096866,0.004954525766205296,0.004733020605405688,0.004342508140200754,0.004162958001201997,0.0038935281736451584,0.003394092310964187,0.002977883062043477,0.0029018884683705078],"twin_dists":[0.1621371440772965,0.192580349195531,0.20260378098798457,0.22419586264202523,0.22979565299361476,0.24126505534231604,0.26619311893692227,0.2685378884349838,0.29090315930594024,0.3009630743590122,0.32488635854837206,0.36144042460831427,0.38666154457610336,0.39852444317231206,0.4096107306522547,0.4160487918437832,0.4195639748481322,0.42313792903423464,0.42495724799602974,0.4283615461228719,0.43002105251053047,0.43263761243977167,0.43795706511202487,0.4429669260730903,0.4439501921976737],"n_dims_used":44,"mean_confidence":0.9141113974831321},"coverage":{"mean_confidence":0.9141113974831321,"n_dims_used":44,"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}}