{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002816},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003777","490:4900003244","490:4900003916","490:4900003238","490:4900003921","490:4900003635","490:4900003243","490:4900002065","490:4900002967","490:4900005162","490:4900003773","490:4900004475","490:4900004614","490:4900003499","490:4900003369","490:4900003782","490:4900004207","490:4900003504","490:4900003778","490:4900005304","490:4900007303","490:4900003640","490:4900002964","490:4900003630","490:4900002963"],"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":[0.5916741481386635,0.3675686732635164,0.3215481842345622,0.3103693126549131,0.2467966728001457,0.24391185302167018,0.23718202467517063,0.2214755769358946,0.20595442486844193,0.19766769464745093,0.1881838122398209,0.18503036674201093,0.17775163227756105,0.1631968771954935,0.16242685081016142,0.1604932984821337,0.15607453532998186,0.15196679325642198,0.14248289478767884,0.13936269803873574,0.13896967814191638,0.13798330034364303,0.1373208223277891,0.1327496056087086,0.12640810082836634],"twin_dists":[0.1330562976517763,0.18374785590704978,0.19564184078268057,0.19866911482309296,0.21725874322378225,0.21816968577624637,0.22032221272208685,0.2255066158329666,0.23087727175567171,0.2338583337685828,0.23737816791469504,0.23857595635935672,0.24139667417922414,0.2472939817009031,0.24761636424856784,0.24843078850131767,0.25031915796309573,0.25210998147348346,0.2563850884128908,0.2578376844416472,0.25802236742639834,0.2584875978025547,0.25880145637055996,0.26099864620190144,0.2641431059067844],"n_dims_used":45,"mean_confidence":0.8987075805664062},"coverage":{"mean_confidence":0.8987075805664062,"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}}