{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007284},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004751","490:4900007045","490:4900006795","490:4900007528","490:4900006428","491:4910002515","491:4910002865","490:4900004885","490:4900007172","490:4900005022","490:4900006317","490:4900006069","490:4900009850","490:4900009620","490:4900006552","490:4900010043","490:4900004349","490:4900007546","490:4900005567","490:4900005045","490:4900006799","490:4900007294","490:4900010658","490:4900006913","490:4900004891"],"twin_admin_codes":[490,490,490,490,490,491,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.005235981393937012,0.0023420009885339794,0.0015806878375022502,0.0013394313142232443,0.0005813332489695288,0.0005001401272441177,0.0003265507461296909,0.0002902367162763425,0.0001748226492769152,0.00016820490299079702,0.00014878386917411258,0.0001400167968450413,0.00013898504149484657,0.00012689115554036172,0.00012337381778886711,0.00011903072715738256,0.00008369373209330983,0.00008112479987355975,0.00007942518646205976,0.00007325919118500938,0.00004698942647899545,0.00004319056763912295,0.000032417115283197835,0.00002746922456387353,0.000026496521756796776],"twin_dists":[0.4209296442840848,0.4520210432686325,0.46646082125953375,0.47241155737714036,0.5013285212955867,0.5063646951896732,0.520371438889571,0.5241787629432407,0.5402447272665224,0.5414482067414168,0.5452568364630855,0.5471323497697761,0.5473603138770898,0.5501585341766099,0.5510197116489867,0.5521156433535566,0.5627731878434056,0.5637067988858823,0.5643399927090356,0.5667502049503368,0.5798161489855648,0.5822633626083424,0.5905170008903473,0.5952289382479998,0.5962497142175274],"n_dims_used":45,"mean_confidence":0.8945505777994792},"coverage":{"mean_confidence":0.8945505777994792,"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}}