{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002115},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990002288","499:4990001938","499:4990002023","499:4990001935","499:4990002025","499:4990002695","499:4990002199","499:4990001850","499:4990001568","499:4990002024","499:4990002112","499:4990001393","499:4990002113","477:4770003531","477:4770003893","477:4770003924","477:4770003853","477:4770003529","477:4770003855","499:4990002845","499:4990000530","499:4990002202","477:4770003925","477:4770003981","477:4770003920"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,477,477,477,477,477,477,499,499,499,477,477,477],"twin_sims":[0.9387401527418657,0.8995290511181205,0.841053070784451,0.8297614935607406,0.8268548374173998,0.8238797755112772,0.8167661694064406,0.7863217105635308,0.7854333944328874,0.7808616415913083,0.7760535099323492,0.7667141802982583,0.7526519079160446,0.7334625816919165,0.7325696855319968,0.727222681584544,0.7224989517227428,0.7172814718135959,0.7162475165013189,0.7108748179752981,0.7068471947790347,0.7001946394473582,0.6957832819071674,0.6911534922071908,0.6863565650107817],"twin_dists":[0.0461800387873653,0.059765955668513254,0.07641665546770926,0.07934405985377697,0.08008657969060182,0.08084218192561224,0.08263170360529118,0.09005262620257397,0.09026409894014102,0.09134845577507528,0.09248190801159141,0.09466437136782373,0.09790717788722932,0.10225975961818314,0.10246048595984872,0.10365945791985419,0.10471449137508967,0.1058755024804596,0.10610506817611784,0.10729533892507338,0.1081848661048669,0.10964928873001478,0.11061724185679585,0.1116306310869435,0.11267807711363177],"n_dims_used":45,"mean_confidence":0.9286829630533854},"coverage":{"mean_confidence":0.9286829630533854,"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}}