{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":471,"cluster_id":4710001031},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["471:4710001666","471:4710001017","473:4730007364","473:4730007592","471:4710000572","476:4760003512","476:4760003442","473:4730007704","473:4730009259","471:4710001567","473:4730007815","471:4710000999","473:4730007365","471:4710002168","471:4710001313","473:4730007591","476:4760001195","473:4730007366","473:4730008385","473:4730007367","476:4760003446","473:4730008844","471:4710000556","473:4730008462","471:4710000513"],"twin_admin_codes":[471,471,473,473,471,476,476,473,473,471,473,471,473,471,471,473,476,473,473,473,476,473,471,473,471],"twin_sims":[0.6907963534693518,0.5861107482331193,0.5383971030436637,0.5361192074436805,0.534234632331869,0.5318134686172389,0.5090861842872113,0.49383402727095604,0.4924477172293058,0.4830315227175946,0.4778177641184152,0.46151839438479225,0.4601609813999278,0.4496222378250667,0.44600455844808656,0.44471136194176847,0.4334394334548359,0.41977869598331463,0.41457678359464784,0.4071724129315785,0.39359165960948334,0.38116729682033534,0.36793518219804244,0.3616059585804341,0.36138652052754505],"twin_dists":[0.111708701622171,0.13424857785139402,0.14452397482836202,0.1450179642615125,0.14542697094499293,0.1459528626191607,0.15091593760134042,0.15427818668037166,0.15458523086152684,0.15667766218795182,0.15784168162451132,0.16150803659767035,0.16181536520494721,0.1642126690385658,0.16504038860984596,0.16533688753840453,0.16793561763901024,0.17112190894504115,0.17234663302067094,0.17410144320615054,0.17735751514536754,0.1803822355438354,0.1836563470329689,0.18524310694352875,0.18529837179765576],"n_dims_used":43,"mean_confidence":0.9137917452080305},"coverage":{"mean_confidence":0.9137917452080305,"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}}