{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007307},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002840","490:4900004642","490:4900005313","490:4900004094","490:4900005296","490:4900006927","490:4900006332","490:4900006210","490:4900001241","490:4900004361","490:4900011632","490:4900004490","490:4900011101","490:4900005567","490:4900006560","491:4910001858","490:4900003268","490:4900007061","490:4900005947","490:4900004616","490:4900012050","490:4900003379","490:4900002841","490:4900001925","490:4900002975"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.004644845072291318,0.0028151981963747187,0.0020441582516866124,0.0014625097719794021,0.0009136153152517503,0.0007001160509162754,0.00038008803755662887,0.00033726575653265564,0.0003141386858154454,0.00022774227087377923,0.00013672379193718594,0.00013590623010111883,0.00013158508682888453,0.00009999548074577275,0.00005815208396372985,0.00004739365460363052,0.00003890380166749409,0.00002709351694578406,0.000026242137179728633,0.00002451169989488864,0.00002251067431646087,0.000020869825243751288,0.00001834623169556096,0.000017480121547369363,0.000012381233091462195],"twin_dists":[0.42570302402147203,0.4451010185140485,0.4570684988378552,0.4692622882207553,0.48587991367129385,0.495033588160923,0.5154269155852041,0.5193238669058277,0.5216259996215837,0.5319242966485325,0.5478655699436871,0.5480501899428657,0.5490437420076301,0.5574138424247146,0.5735822250717225,0.5795669101204619,0.5852836266527993,0.5956190706580364,0.5965225587225991,0.5984483344389617,0.6008438176983236,0.6029647732910232,0.6065593618383499,0.6079026800101898,0.617397924357139],"n_dims_used":45,"mean_confidence":0.9022370232476129},"coverage":{"mean_confidence":0.9022370232476129,"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}}