{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930002572},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930002741","493:4930000492","481:4810002465","481:4810002557","488:4880003986","466:4660009231","493:4930002072","496:4960005352","481:4810002556","493:4930000227","488:4880003987","493:4930001744","481:4810002464","493:4930003253","466:4660009060","488:4880002448","481:4810003745","466:4660006353","470:4700004160","488:4880004059","481:4810000339","481:4810003648","469:4690003146","469:4690003238","466:4660009425"],"twin_admin_codes":[493,493,481,481,488,466,493,496,481,493,488,493,481,493,466,488,481,466,470,488,481,481,469,469,466],"twin_sims":[0.589769452457561,0.40941455701857526,0.40759360204323597,0.38104255697757894,0.36884500970137807,0.36665790461828385,0.3439499961732404,0.34050556629056283,0.3368374986291159,0.325831335056634,0.3240538736703414,0.32000887227057795,0.31925624222941196,0.31597688533155227,0.31294567746580926,0.31287912540774215,0.30804082921257847,0.3071685207345717,0.30620054034685107,0.3061644636123777,0.2976718401532154,0.2945761981688224,0.289146901292378,0.2861496152942029,0.285288950216569],"twin_dists":[0.13346441935428982,0.1735685961377007,0.17400124854737425,0.18041283951048595,0.18342938065634198,0.1839754519556432,0.1897464919073823,0.1906390970520764,0.19159499418644568,0.19449764980315737,0.19497145440778235,0.19605512580586973,0.19625760296047007,0.19714298779668882,0.19796601211533366,0.1979841328540327,0.1993074500143048,0.1995473003727916,0.19981391676602445,0.19982386298470012,0.2021844711990728,0.20305472772317612,0.2045941955540579,0.20545146202199424,0.20569861865296127],"n_dims_used":45,"mean_confidence":0.9245223999023438},"coverage":{"mean_confidence":0.9245223999023438,"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}}