{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001641","490:4900003525","490:4900003656","490:4900001783","490:4900003664","490:4900003526","490:4900003791","490:4900003264","490:4900003933","490:4900002400","490:4900002093","490:4900001775","490:4900003118","490:4900001249","490:4900002835","494:4940006457","490:4900003387","494:4940006656","487:4870007284","491:4910000998","490:4900006941","490:4900001238","490:4900012235","490:4900002843","487:4870006382"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,494,487,491,490,490,490,490,487],"twin_sims":[0.07845386689306534,0.057037222982540395,0.043781849404815734,0.04042128686416642,0.026571981587027768,0.01952839126005848,0.016730105653299177,0.013626480175017762,0.00853391400860851,0.0084843155837063,0.008439828075825695,0.0074624396534892865,0.007391745239845474,0.006624317603579833,0.006252418532846661,0.005639867220271636,0.005496799120716131,0.0053864418582195055,0.004886629056990065,0.004001809736030292,0.003961056666232436,0.0038641701139198433,0.00371008669960168,0.0037010711499429138,0.0036537410132711956],"twin_dists":[0.29302427401501957,0.31083451151731084,0.32486985792058704,0.32899023827604956,0.3498375110998461,0.3643846674466018,0.3714748834626875,0.3806780652543149,0.4008772149555617,0.4011223967739045,0.4013434075877799,0.40648319813889544,0.4068779860004603,0.4113971105328976,0.4137592824891541,0.41794145798039073,0.41897716267765817,0.41979284743844214,0.42368762592494436,0.431566827601806,0.43196670160399164,0.4329325987895144,0.4345150858901705,0.4346095206757417,0.4351087513448383],"n_dims_used":45,"mean_confidence":0.9206896464029948},"coverage":{"mean_confidence":0.9206896464029948,"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}}