{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010966},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011679","490:4900010799","490:4900010184","490:4900010782","490:4900011919","490:4900011742","490:4900011328","490:4900011536","490:4900010697","490:4900011474","490:4900011255","490:4900011126","490:4900011610","490:4900012055","490:4900010624","490:4900009681","490:4900012192","490:4900011809","490:4900010787","490:4900011671","490:4900011739","490:4900012202","490:4900011674","490:4900009683","490:4900011743"],"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":[0.3453473739288413,0.2703130675110572,0.22150184561955472,0.21962006600631392,0.19507052125220437,0.17999488465891994,0.1671806680647021,0.16070851229333788,0.15465871902053333,0.1392408652294921,0.1378728129881789,0.12784794013582856,0.12521258185029524,0.1109952490675778,0.10921668791170665,0.10670575918105664,0.10132147382165108,0.09945315187163124,0.09498545677436639,0.0920556171233314,0.08859292860672391,0.08702150609806972,0.0842053195908541,0.07943861522306968,0.07735551547559942],"twin_dists":[0.18938572658085923,0.21007369806030823,0.225497744606585,0.22613503151083447,0.23481035330103092,0.24051877377072828,0.24564345352362277,0.24833978794710806,0.25093245953714904,0.257894892964933,0.2585398643798676,0.26341886744102305,0.26474921922235384,0.2723197571236374,0.2733184691614086,0.2747500931355229,0.27791058011565223,0.279037902384463,0.28180258825235716,0.2836717083341361,0.2859424048664925,0.2869961703548388,0.2889231397438022,0.29230536057434114,0.293834728845307],"n_dims_used":45,"mean_confidence":0.9173109266493056},"coverage":{"mean_confidence":0.9173109266493056,"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}}