{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008884},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008774","490:4900010220","490:4900010829","490:4900008782","490:4900011561","490:4900011294","490:4900011691","490:4900008790","490:4900012093","490:4900009015","490:4900011366","490:4900009721","490:4900011624","490:4900011626","490:4900009735","490:4900011225","490:4900011497","490:4900011431","490:4900010662","490:4900011755","490:4900011757","490:4900010747","490:4900009004","490:4900010125","490:4900008007"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5662079630882981,0.43834818922908514,0.39259538353607176,0.3089904683039909,0.30136430101057216,0.2865752879466789,0.2791566255880809,0.2611802887867518,0.25286993704087063,0.23498409945246834,0.23053546672797526,0.2207817366996896,0.20715029206452532,0.20565234262419105,0.2000398958578916,0.19943666318067158,0.19853288834177257,0.1909585596986877,0.1906548276674005,0.17632395670001327,0.17301886875208022,0.17147191298463396,0.17090850765652593,0.15652885831098232,0.15611056090221737],"twin_dists":[0.13852121335421777,0.16680068474021276,0.1775983877071503,0.19904678065576764,0.20115335619973806,0.20532938687452254,0.2074727981903313,0.21281545519352404,0.21536307424703094,0.2210338191165307,0.22248758653773765,0.22574118849465127,0.23045390291397588,0.23098448253506002,0.23299631088788797,0.23321484483569646,0.23354311174109527,0.23633580155948936,0.2364493839248025,0.24195950297398172,0.24327503108196002,0.24389694259646333,0.24412444251788387,0.25012321713930746,0.25030360562051335],"n_dims_used":45,"mean_confidence":0.8866415235731336},"coverage":{"mean_confidence":0.8866415235731336,"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}}