{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010227},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009011","490:4900009426","490:4900011628","490:4900009535","490:4900010316","490:4900009540","491:4910005509","490:4900008448","490:4900009436","490:4900010821","490:4900008122","490:4900010855","490:4900012026","490:4900009938","490:4900011152","490:4900011956","490:4900008559","491:4910005405","490:4900010484","490:4900009935","490:4900008672","490:4900010914","490:4900011074","490:4900011231","490:4900012023"],"twin_admin_codes":[490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.28965206195631893,0.26432874159616726,0.16484580576806923,0.14844230272687076,0.1459476117296956,0.1271645091615132,0.12408163230202127,0.11807536671237792,0.11577459421734748,0.10771527441514211,0.10498862744933443,0.10467832749058463,0.10447572387001282,0.10424606471385037,0.09904918177261209,0.09574201407049575,0.09333995062979598,0.08912380423334648,0.08870989557735526,0.08669303440842246,0.08590112317342015,0.08589017707338419,0.08449220697506325,0.08430777909544943,0.08229656091046657],"twin_dists":[0.20445023646517088,0.2118636040450099,0.24660732026299467,0.25367509149662715,0.2547995478819185,0.26376185824417075,0.265326654957486,0.2684623559539589,0.26969588130777017,0.274171402911078,0.275744258463754,0.27592525936725243,0.27604366547682585,0.2761780998467284,0.27928383003128165,0.28132732970706104,0.28284666055309854,0.2855897639011345,0.28586456431734786,0.2872183456708585,0.28775675441891363,0.2877642241466291,0.288724508378184,0.2888521382691324,0.29025863915695516],"n_dims_used":45,"mean_confidence":0.8867465549045139},"coverage":{"mean_confidence":0.8867465549045139,"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}}