{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003983},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002748","490:4900002747","490:4900004141","490:4900003981","490:4900002729","490:4900003840","490:4900006387","490:4900003308","490:4900004950","490:4900003175","490:4900001018","490:4900006627","490:4900004129","490:4900001678","490:4900006392","490:4900004961","490:4900004419","490:4900000655","490:4900004121","490:4900004140","490:4900001828","490:4900001820","490:4900001020","490:4900003299","490:4900001551"],"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":[0.6410607552245818,0.6134780042406189,0.5784537653668228,0.49412174804934256,0.459129070512796,0.4490228257657368,0.42573615977903184,0.3973256599041912,0.3937835558640517,0.3799853838004415,0.378747781765687,0.3732115320724458,0.3493255719460036,0.33934663037450463,0.33908688755530575,0.3349596392365622,0.3162830447725276,0.31360934512818284,0.31335739825633124,0.30563188866441665,0.3052318352172473,0.2921941029571023,0.28655750335042784,0.28405822613390547,0.2829015632952668],"twin_dists":[0.12247254287752926,0.1283868091912673,0.13589075589269636,0.15421449296906037,0.16204921341425318,0.16434963961694626,0.16972717004103183,0.17645723382430129,0.17731115234852507,0.1806724030914942,0.1809767105592665,0.18234395684996235,0.18836286801833793,0.19094051413334395,0.19100814406834923,0.19208653868492212,0.1970601097165225,0.19778542914927463,0.19785395787437499,0.19997077072655833,0.2000812205410688,0.2037280740232379,0.20533448499318152,0.20605282534078773,0.20638656105027536],"n_dims_used":45,"mean_confidence":0.917322285970052},"coverage":{"mean_confidence":0.917322285970052,"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}}