{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001943},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001719","491:4910002041","491:4910002288","491:4910001779","491:4910002235","491:4910002101","491:4910002184","491:4910002247","491:4910002341","491:4910002821","491:4910001162","491:4910001720","491:4910001839","491:4910001165","491:4910002386","492:4920000991","491:4910001428","491:4910001603","491:4910003118","491:4910002185","491:4910001295","491:4910003072","491:4910001360","491:4910002236","491:4910003079"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5456401953855595,0.4374099919547329,0.2971983736963601,0.2784501046228292,0.2671702386626689,0.25934793564518865,0.25839085595973776,0.21320756383378603,0.20226287464880233,0.19449657787187472,0.18695228866418875,0.1864941208651453,0.18568145286717566,0.17485556705110658,0.1730048835279792,0.16319534536339672,0.1626519675741971,0.1613792305379513,0.16058312648609124,0.1585526104538214,0.1576856958263365,0.15209371447246647,0.15171189469853869,0.15070109527964765,0.1486904599803676],"twin_dists":[0.14295582843191842,0.16701720981629334,0.20231722727860083,0.20767871809767854,0.21101061119102887,0.21337273455670308,0.21366479956089582,0.2283346486546809,0.23219488583981812,0.23502192225064628,0.23784425405675202,0.23801820337580198,0.2383274830850985,0.24254177699610535,0.2432806356051116,0.24729462192931323,0.24752200155290463,0.2480567494627149,0.24839279504334283,0.24925542011556615,0.24962616328224835,0.2520541203073336,0.25222227225540056,0.2526689312028392,0.25356400238355525],"n_dims_used":44,"mean_confidence":0.8957868055863814},"coverage":{"mean_confidence":0.8957868055863814,"n_dims_used":44,"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}}