{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011122},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011984","490:4900010709","490:4900010702","490:4900011112","490:4900011610","490:4900011201","490:4900011666","490:4900011042","490:4900012188","490:4900011475","490:4900012145","490:4900011607","490:4900011866","490:4900010444","490:4900008841","490:4900011731","490:4900011806","490:4900010625","490:4900011809","490:4900011602","490:4900011864","490:4900010797","490:4900011987","490:4900011538","490:4900011739"],"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":[0.585974941665473,0.46282070051834123,0.4361624259314049,0.4284765934368728,0.39963852077706447,0.39602364354847486,0.3918793116008582,0.3766573612274013,0.3646092877920197,0.35922162468856,0.35432773493872055,0.31000423825722906,0.3011717086839986,0.2947739800651013,0.2893391527577485,0.2845581730290739,0.2807701284934719,0.27278835933638745,0.270928744571855,0.2702098945345192,0.269424959269407,0.2620534606327785,0.2612730894405392,0.24471442989987455,0.24164195711564787],"twin_dists":[0.13427769054021269,0.1612134847123173,0.16730541834737295,0.16908831965952187,0.17590154134683367,0.176770710342835,0.1777716901404536,0.18149181135610812,0.18448842972242604,0.18584451393918489,0.1870853587846634,0.1987690150113752,0.20120695419382625,0.20299896585031937,0.20453939066132382,0.2059088276597399,0.20700371757108424,0.20934051400471126,0.2098909483184176,0.2101043477543845,0.21033776644463545,0.21255075816201202,0.2127872968725734,0.21791556129819514,0.21889135357682873],"n_dims_used":45,"mean_confidence":0.9141341315375434},"coverage":{"mean_confidence":0.9141341315375434,"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}}