{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012122},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010628","490:4900011530","490:4900011789","490:4900011035","490:4900011034","490:4900010709","490:4900012188","490:4900010797","490:4900011922","490:4900010949","490:4900010702","490:4900011119","490:4900011805","490:4900011723","490:4900012137","490:4900011989","490:4900011799","490:4900011544","490:4900011806","490:4900011595","490:4900011461","490:4900011664","490:4900011730","490:4900011528","490:4900011729"],"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":[0.5116730183661737,0.4646299763638022,0.4369865826040666,0.41258529188077164,0.40979627188787204,0.4087462265013891,0.3888973128203269,0.3881992601803624,0.37780051027670236,0.35576087098194176,0.3497231654075462,0.348583202744609,0.339813197952732,0.3386749064108723,0.32367087982041265,0.3212010306859941,0.31642571784473206,0.30778373715481827,0.2991484647069952,0.2932679695813093,0.2856154881522453,0.2769909079846992,0.27316667381985904,0.26664053126656284,0.2660044296566452],"twin_dists":[0.15034838491973523,0.16080474980207662,0.1671149878698415,0.17281725375964707,0.1734780096738014,0.17372729023539407,0.17849498479206258,0.17866467570223368,0.18120995605360857,0.18672107790848508,0.1882609779872859,0.1885532756694873,0.19081910249137077,0.1911154698639831,0.19507373520720872,0.19573495000774718,0.19702150328304005,0.19937809947722762,0.20177123218084042,0.20342412345025107,0.20560479428635564,0.20810501979312238,0.20922881830787798,0.21116919508407356,0.21135989036787692],"n_dims_used":45,"mean_confidence":0.9127394782172309},"coverage":{"mean_confidence":0.9127394782172309,"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}}