diff --git a/docs/src/awkward.ipynb b/docs/src/awkward.ipynb
index 3f5da595..a200e2e6 100644
--- a/docs/src/awkward.ipynb
+++ b/docs/src/awkward.ipynb
@@ -59,9 +59,7 @@
        "<pre>[[{x: 1.1, y: 2.2}, {x: 3.3, y: 4.4}],\n",
        " [],\n",
        " [{x: 5.5, y: 6.6}]]\n",
-       "----------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 80 B\n",
+       "--------------------------------------\n",
        "type: 3 * var * Vector2D[\n",
        "    x: float64,\n",
        "    y: float64\n",
@@ -112,8 +110,6 @@
        " [],\n",
        " [8.59]]\n",
        "-----------------------\n",
-       "backend: cpu\n",
-       "nbytes: 56 B\n",
        "type: 3 * var * float64</pre>"
       ],
       "text/plain": [
@@ -142,8 +138,6 @@
        " [],\n",
        " [0.876]]\n",
        "-----------------------\n",
-       "backend: cpu\n",
-       "nbytes: 56 B\n",
        "type: 3 * var * float64</pre>"
       ],
       "text/plain": [
@@ -256,19 +250,17 @@
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-       "backend: cpu\n",
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+       "<pre>[{px: 0.585, py: -1.23, pz: 0.198},\n",
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@@ -276,7 +268,7 @@
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@@ -297,19 +289,17 @@
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@@ -317,7 +307,7 @@
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@@ -346,23 +336,21 @@
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        " [],\n",
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@@ -392,16 +380,16 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "[0.3470024410105361 -1.32262374856204 ]\n",
       "[]\n",
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-      "[0.9449043237160631 ]\n",
-      "[-1.1124522691465186 -5.579496184145224 ]\n"
+      "[-2.833228962677397 -2.440420426614325 ]\n",
+      "[-5.8533879315268695 0.9278622045448855 ]\n",
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+      "[0.5955225435577661 ]\n",
+      "[3.4581243277777727 ]\n",
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+      "[0.39535925961287455 ]\n",
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+      "[1.7841371709739775 ]\n"
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@@ -446,7 +434,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "9.08 s ± 0 ns per loop (mean ± std. dev. of 1 run, 1 loop each)\n"
+      "5.6 s ± 0 ns per loop (mean ± std. dev. of 1 run, 1 loop each)\n"
      ]
     }
    ],
@@ -470,7 +458,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "2.44 ms ± 20.2 μs per loop (mean ± std. dev. of 7 runs, 100 loops each)\n"
+      "1.36 ms ± 12.6 µs per loop (mean ± std. dev. of 7 runs, 1,000 loops each)\n"
      ]
     }
    ],
@@ -551,10 +539,17 @@
     "TwoVectorArray.ProjectionClass2D = TwoVectorArray  # noqa: F821\n",
     "TwoVectorArray.ProjectionClass3D = ThreeVectorArray  # noqa: F821\n",
     "TwoVectorArray.MomentumClass = TwoVectorArray  # noqa: F821\n",
+    "# populate properties to the level of a record\n",
+    "TwoVectorRecord.ProjectionClass2D = TwoVectorRecord  # noqa: F821\n",
+    "TwoVectorRecord.ProjectionClass3D = ThreeVectorRecord  # noqa: F821\n",
+    "TwoVectorRecord.MomentumClass = TwoVectorRecord  # noqa: F821\n",
     "\n",
     "ThreeVectorArray.ProjectionClass2D = TwoVectorArray  # noqa: F821\n",
     "ThreeVectorArray.ProjectionClass3D = ThreeVectorArray  # noqa: F821\n",
-    "ThreeVectorArray.MomentumClass = ThreeVectorArray  # noqa: F821"
+    "ThreeVectorArray.MomentumClass = ThreeVectorArray  # noqa: F821\n",
+    "ThreeVectorRecord.ProjectionClass2D = TwoVectorRecord  # noqa: F821\n",
+    "ThreeVectorRecord.ProjectionClass3D = ThreeVectorRecord  # noqa: F821\n",
+    "ThreeVectorRecord.MomentumClass = ThreeVectorRecord  # noqa: F821"
    ]
   },
   {
@@ -570,9 +565,7 @@
        " [],\n",
        " [{pt: 3, phi: 1.6}],\n",
        " [{pt: 4, phi: 3.4}]]\n",
-       "------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 104 B\n",
+       "----------------------------------------\n",
        "type: 4 * var * TwoVector[\n",
        "    pt: int64,\n",
        "    phi: float64\n",
@@ -620,9 +613,7 @@
        " [],\n",
        " [{rho: 6, phi: 1.6}],\n",
        " [{rho: 8, phi: -2.88}]]\n",
-       "---------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 104 B\n",
+       "------------------------------------------\n",
        "type: 4 * var * TwoVector[\n",
        "    rho: float64,\n",
        "    phi: float64\n",
@@ -678,7 +669,12 @@
     "LorentzVectorArray.ProjectionClass2D = TwoVectorArray  # noqa: F821\n",
     "LorentzVectorArray.ProjectionClass3D = ThreeVectorArray  # noqa: F821\n",
     "LorentzVectorArray.ProjectionClass4D = LorentzVectorArray  # noqa: F821\n",
-    "LorentzVectorArray.MomentumClass = LorentzVectorArray  # noqa: F821"
+    "LorentzVectorArray.MomentumClass = LorentzVectorArray  # noqa: F821\n",
+    "# populate properties to the level of a record\n",
+    "LorentzVectorRecord.ProjectionClass2D = TwoVectorRecord  # noqa: F821\n",
+    "LorentzVectorRecord.ProjectionClass3D = ThreeVectorRecord  # noqa: F821\n",
+    "LorentzVectorRecord.ProjectionClass4D = LorentzVectorRecord  # noqa: F821\n",
+    "LorentzVectorRecord.MomentumClass = LorentzVectorRecord  # noqa: F821"
    ]
   },
   {
@@ -694,9 +690,7 @@
        " [],\n",
        " [{pt: 3, eta: 1.6, phi: 0.5, energy: 52}],\n",
        " [{pt: 4, eta: 3.4, phi: 0.6, energy: 60}]]\n",
-       "-----------------------------------------------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 168 B\n",
+       "-------------------------------------------------------------------\n",
        "type: 4 * var * LorentzVector[\n",
        "    pt: int64,\n",
        "    eta: float64,\n",
@@ -740,9 +734,7 @@
        " [],\n",
        " [{rho: 1.5, phi: 0.5, eta: 1.6, t: 26}],\n",
        " [{rho: 2, phi: 0.6, eta: 3.4, t: 30}]]\n",
-       "-----------------------------------------------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 168 B\n",
+       "------------------------------------------------------------------\n",
        "type: 4 * var * LorentzVector[\n",
        "    rho: float64,\n",
        "    phi: float64,\n",
@@ -776,9 +768,7 @@
        " [],\n",
        " [{rho: 3, phi: 0.5}],\n",
        " [{rho: 4, phi: 0.6}]]\n",
-       "-------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 104 B\n",
+       "------------------------------------------\n",
        "type: 4 * var * TwoVector[\n",
        "    rho: int64,\n",
        "    phi: float64\n",
@@ -810,9 +800,7 @@
        " [],\n",
        " [{rho: 3, phi: 0.5, eta: 1.6}],\n",
        " [{rho: 4, phi: 0.6, eta: 3.4}]]\n",
-       "---------------------------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 136 B\n",
+       "--------------------------------------------------------------\n",
        "type: 4 * var * ThreeVector[\n",
        "    rho: int64,\n",
        "    phi: float64,\n",
@@ -874,9 +862,7 @@
        " [],\n",
        " [{rho: 6, phi: 0.5, eta: 1.6, t: 104}],\n",
        " [{rho: 8, phi: 0.6, eta: 3.4, t: 120}]]\n",
-       "---------------------------------------------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 168 B\n",
+       "---------------------------------------------------------------------------\n",
        "type: 4 * var * LorentzVector[\n",
        "    rho: float64,\n",
        "    phi: float64,\n",
@@ -910,9 +896,7 @@
        " [],\n",
        " [{rho: 6, phi: 0.5}],\n",
        " [{rho: 8, phi: 0.6}]]\n",
-       "---------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 104 B\n",
+       "------------------------------------------\n",
        "type: 4 * var * TwoVector[\n",
        "    rho: float64,\n",
        "    phi: float64\n",
@@ -964,9 +948,7 @@
        " [],\n",
        " [{rho: 6, phi: 0.5, eta: 1.6, t: 104}],\n",
        " [{rho: 8, phi: 0.6, eta: 3.4, t: 120}]]\n",
-       "------------------------------------------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 168 B\n",
+       "---------------------------------------------------------------------------\n",
        "type: 4 * var * Momentum4D[\n",
        "    rho: float64,\n",
        "    phi: float64,\n",
@@ -1000,9 +982,7 @@
        " [],\n",
        " [{rho: 6, phi: 0.5}],\n",
        " [{rho: 8, phi: 0.6}]]\n",
-       "--------------------------------------------------------------\n",
-       "backend: cpu\n",
-       "nbytes: 104 B\n",
+       "------------------------------------------\n",
        "type: 4 * var * Vector2D[\n",
        "    rho: float64,\n",
        "    phi: float64\n",
@@ -1038,7 +1018,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.10"
+   "version": "3.11.5"
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