{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012582},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012228","490:4900012229","490:4900012653","490:4900012367","490:4900012652","490:4900005425","490:4900011706","490:4900012226","490:4900005304","490:4900011069","490:4900012654","490:4900010492","490:4900007895","490:4900008779","490:4900012651","490:4900010564","490:4900012297","490:4900007424","490:4900010591","490:4900004614","490:4900011690","490:4900009840","490:4900009635","490:4900007531","490:4900006431"],"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":[0.6012529460417112,0.14312449743301084,0.09866426184321785,0.06198303669429856,0.0572565561377201,0.04380723934847575,0.04260859753901841,0.039367414902544286,0.03375106354085765,0.0325197916054532,0.03237514781865265,0.029663250789690433,0.028232796688527424,0.028113305094366704,0.02805476522445781,0.027997528268638244,0.027343424240027656,0.027066976620118217,0.02702567065540418,0.026914182734360404,0.02689041642221491,0.02670166499152046,0.026350762516358824,0.02621514548000414,0.02561192997461119],"twin_dists":[0.13100461586025422,0.2560893328496964,0.2795188928370775,0.306288790678982,0.31062616979351865,0.3248397555892374,0.32627713909031086,0.3303419221497833,0.33811013032155507,0.3399590373432681,0.34018014285100456,0.3444905215905549,0.3469020721249949,0.34710823757784615,0.34720951480924633,0.34730871381647194,0.34845492956591323,0.348946470324676,0.3490202858243024,0.3492200057756004,0.3492626730074344,0.3496026938881569,0.35024036175156953,0.35048877145260476,0.3516072986458242],"n_dims_used":45,"mean_confidence":0.8911034478081598},"coverage":{"mean_confidence":0.8911034478081598,"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}}