diff --git a/dev/scripts/check_numbers.py b/dev/scripts/check_numbers.py
index 266567c..6c3d4d2 100644
--- a/dev/scripts/check_numbers.py
+++ b/dev/scripts/check_numbers.py
@@ -44,6 +44,7 @@
 QWEN_SELECT = "docs/claims/battery_555_qwen3_select.json"
 QWEN_REPLICATION = "docs/claims/battery_555_qwen3.json"
 LLAMA_REPLICATION = "docs/claims/battery_555_llama3.2.json"
+FULL_BATTERY = "docs/claims/battery_full_20260811_qwen3.json"
 
 # (file, extractor, expected, tolerance, label)
 #
@@ -449,6 +450,40 @@
         0.15,
         "answering by selection costs no accuracy on qwen3",
     ),
+    # --- The full battery: all four domains, all three grading modes ---
+    (
+        FULL_BATTERY,
+        lambda d: d["correct_rate"],
+        0.89,
+        0.12,
+        "qwen3 answers about nine in ten of the full battery's gradeable questions",
+    ),
+    (
+        FULL_BATTERY,
+        # The knowledge-edge probe as a battery, and it behaved exactly as
+        # designed: steady on facts broad enough that any grounded model holds
+        # them, UNSTEADY on places assembled from an RNG -- where a steady
+        # answer would be manufactured confidence.
+        lambda d: float(d["consistency"]["per_group"]["anchored"]["steady"]),
+        2.0,
+        1.0,
+        "anchored facts are held steadily",
+    ),
+    (
+        FULL_BATTERY,
+        lambda d: float(d["consistency"]["per_group"]["invented"]["steady"]),
+        0.0,
+        1.0,
+        "and invented places are not -- the honest signal, pinned so it stays",
+    ),
+    (
+        FULL_BATTERY,
+        # Never mixed into correctness: the note travels with the data.
+        lambda d: 1.0 if "invisible" in d["consistency"]["note"] else 0.0,
+        1.0,
+        0.001,
+        "the consistency caveat is attached to the data itself",
+    ),
     (
         QWEN_SELECT,
         # And it does the job it exists for: a value computed exactly and then not
diff --git a/docs/claims/battery_full_20260811_qwen3.json b/docs/claims/battery_full_20260811_qwen3.json
new file mode 100644
index 0000000..0c31fb7
--- /dev/null
+++ b/docs/claims/battery_full_20260811_qwen3.json
@@ -0,0 +1,803 @@
+{
+ "n": 36,
+ "correct": 32,
+ "correct_rate": 0.8888888888888888,
+ "settled_exactly": 24,
+ "computed_but_unused": 1,
+ "steps_mean": 5.083333333333333,
+ "errors": 0,
+ "per_group": {
+  "long_multiplication": {
+   "n": 2,
+   "correct": 2
+  },
+  "long_addition": {
+   "n": 2,
+   "correct": 2
+  },
+  "long_subtraction": {
+   "n": 2,
+   "correct": 2
+  },
+  "awkward_percentage": {
+   "n": 2,
+   "correct": 2
+  },
+  "division_with_remainder": {
+   "n": 2,
+   "correct": 1
+  },
+  "word_problem": {
+   "n": 2,
+   "correct": 2
+  },
+  "unit_chain": {
+   "n": 2,
+   "correct": 0
+  },
+  "exact_fraction": {
+   "n": 2,
+   "correct": 2
+  },
+  "powers": {
+   "n": 2,
+   "correct": 2
+  },
+  "comparison": {
+   "n": 2,
+   "correct": 1
+  },
+  "pigeonhole_pair": {
+   "n": 2,
+   "correct": 2
+  },
+  "pigeonhole_k": {
+   "n": 2,
+   "correct": 2
+  },
+  "inclusion_exclusion": {
+   "n": 2,
+   "correct": 2
+  },
+  "handshakes": {
+   "n": 2,
+   "correct": 2
+  },
+  "convert_mass": {
+   "n": 2,
+   "correct": 2
+  },
+  "convert_length": {
+   "n": 2,
+   "correct": 2
+  },
+  "convert_time": {
+   "n": 2,
+   "correct": 2
+  },
+  "convert_digital": {
+   "n": 2,
+   "correct": 2
+  }
+ },
+ "consistency": {
+  "n": 4,
+  "steady": 2,
+  "note": "self-agreement only; a consistently wrong answer is invisible to this grading",
+  "per_group": {
+   "anchored": {
+    "n": 2,
+    "steady": 2
+   },
+   "invented": {
+    "n": 2,
+    "steady": 0
+   }
+  }
+ },
+ "rows": [
+  {
+   "group": "long_multiplication",
+   "domain": "arithmetic",
+   "question": "What is 53431930048 * 3565?",
+   "mode": "exact",
+   "expected": "190484830621120",
+   "answer": "190484830621120",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "53431930048 * 3565 = 190484830621120",
+    "53431930048 * 3565 = 190484830621120",
+    "53431930048 * 3565 = 190484830621120",
+    "53431930048 * 3565 = 190484830621120",
+    "53431930048 * 3565 = 190484830621120",
+    "53431930048 * 3565 = 190484830621120",
+    "53431930048 * 3565 = 190484830621120"
+   ],
+   "steps": 8,
+   "seconds": 54.8,
+   "error": ""
+  },
+  {
+   "group": "long_multiplication",
+   "domain": "arithmetic",
+   "question": "What is 51395252287 * 5521?",
+   "mode": "exact",
+   "expected": "283753187876527",
+   "answer": "283753187876527",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "51395252287 * 5521 = 283753187876527",
+    "51395252287 * 5521 = 283753187876527",
+    "51395252287 * 5521 = 283753187876527",
+    "51395252287 * 5521 = 283753187876527",
+    "51395252287 * 5521 = 283753187876527",
+    "51395252287 * 5521 = 283753187876527",
+    "51395252287 * 5521 = 283753187876527"
+   ],
+   "steps": 7,
+   "seconds": 40.1,
+   "error": ""
+  },
+  {
+   "group": "long_addition",
+   "domain": "arithmetic",
+   "question": "What is 193048999061 plus 479849142350?",
+   "mode": "exact",
+   "expected": "672898141411",
+   "answer": "672,898,141,411",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "193048999061 + 479849142350 = 672898141411",
+    "193048999061 + 479849142350 = 672898141411",
+    "193048999061 + 479849142350 = 672898141411"
+   ],
+   "steps": 1,
+   "seconds": 11.1,
+   "error": ""
+  },
+  {
+   "group": "long_addition",
+   "domain": "arithmetic",
+   "question": "What is 446174485585 plus 377327695495?",
+   "mode": "exact",
+   "expected": "823502181080",
+   "answer": "823,502,181,080",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "446174485585 + 377327695495 = 823502181080",
+    "446174485585 + 377327695495 = 823502181080",
+    "446174485585 + 377327695495 = 823502181080"
+   ],
+   "steps": 1,
+   "seconds": 11.9,
+   "error": ""
+  },
+  {
+   "group": "long_subtraction",
+   "domain": "arithmetic",
+   "question": "Subtract 68379748377 from 2753273712715. What is left?",
+   "mode": "exact",
+   "expected": "2684893964338",
+   "answer": "2684893964338",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "2753273712715 - 68379748377 = 2684893964338",
+    "2753273712715 - 68379748377 = 2684893964338",
+    "2753273712715 - 68379748377 = 2684893964338"
+   ],
+   "steps": 1,
+   "seconds": 10.7,
+   "error": ""
+  },
+  {
+   "group": "long_subtraction",
+   "domain": "arithmetic",
+   "question": "Subtract 84869938002 from 3054364818243. What is left?",
+   "mode": "exact",
+   "expected": "2969494880241",
+   "answer": "2969494880241",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "3054364818243 - 84869938002 = 2969494880241",
+    "3054364818243 - 84869938002 = 2969494880241",
+    "3054364818243 - 84869938002 = 2969494880241"
+   ],
+   "steps": 1,
+   "seconds": 10.4,
+   "error": ""
+  },
+  {
+   "group": "awkward_percentage",
+   "domain": "arithmetic",
+   "question": "What is 37 percent of 1426321?",
+   "mode": "exact",
+   "expected": "52773877/100",
+   "answer": "527,738.77",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "1426321 * 0.37 = 527738.77",
+    "1426321 * 0.37 = 527738.77",
+    "1426321 * 0.37 = 527738.77"
+   ],
+   "steps": 1,
+   "seconds": 8.0,
+   "error": ""
+  },
+  {
+   "group": "awkward_percentage",
+   "domain": "arithmetic",
+   "question": "What is 10 percent of 8596000?",
+   "mode": "exact",
+   "expected": "859600",
+   "answer": "859,600",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "8596000 * 0.10 = 859600",
+    "8596000 * 0.10 = 859600",
+    "8596000 * 0.10 = 859600"
+   ],
+   "steps": 3,
+   "seconds": 12.0,
+   "error": ""
+  },
+  {
+   "group": "division_with_remainder",
+   "domain": "arithmetic",
+   "question": "How many whole times does 816 go into 80255013326, and what is the remainder? Give the remainder.",
+   "mode": "exact",
+   "expected": "14",
+   "answer": "816 goes into 80255013326 exactly 98,351,732 whole times, with a remainder of 80255013326 % 816 = 80255013326.",
+   "correct": false,
+   "settled_exactly": false,
+   "calcs": [
+    "80255013326 // 816 = 98351732",
+    "816 * 98351732 + 80255013326 % 816 = 80255013326"
+   ],
+   "steps": 7,
+   "seconds": 33.2,
+   "error": ""
+  },
+  {
+   "group": "division_with_remainder",
+   "domain": "arithmetic",
+   "question": "How many whole times does 296 go into 4678432745, and what is the remainder? Give the remainder.",
+   "mode": "exact",
+   "expected": "9",
+   "answer": "296 goes into 4678432745 whole times 15,771,735 times, with a remainder of 161843.",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [],
+   "steps": 1,
+   "seconds": 10.1,
+   "error": ""
+  },
+  {
+   "group": "word_problem",
+   "domain": "arithmetic",
+   "question": "A warehouse holds 848 crates with 78 jars in each. 55 jars are broken and thrown away. How many jars remain?",
+   "mode": "exact",
+   "expected": "66089",
+   "answer": "66,144 - 55 = 66,089 jars remain.",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "848 * 78 = 66144",
+    "848 * 78 = 66144",
+    "848 * 78 = 66144"
+   ],
+   "steps": 4,
+   "seconds": 13.7,
+   "error": ""
+  },
+  {
+   "group": "word_problem",
+   "domain": "arithmetic",
+   "question": "A warehouse holds 428 crates with 64 jars in each. 21 jars are broken and thrown away. How many jars remain?",
+   "mode": "exact",
+   "expected": "27371",
+   "answer": "27371 jars remain.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "428 * 64 = 27392",
+    "428 * 64 - 21 = 27371"
+   ],
+   "steps": 7,
+   "seconds": 21.2,
+   "error": ""
+  },
+  {
+   "group": "unit_chain",
+   "domain": "arithmetic",
+   "question": "How many seconds are there in 54 weeks?",
+   "mode": "exact",
+   "expected": "32659200",
+   "answer": "54 weeks is 378 days. There are 86,400 seconds in a day, so 378 days equals 378 \u00d7 86,400 = 32,356,800 seconds.",
+   "correct": false,
+   "settled_exactly": false,
+   "calcs": [],
+   "steps": 7,
+   "seconds": 21.4,
+   "error": ""
+  },
+  {
+   "group": "unit_chain",
+   "domain": "arithmetic",
+   "question": "How many seconds are there in 23 weeks?",
+   "mode": "exact",
+   "expected": "13910400",
+   "answer": "There are 1,584,000 seconds in 23 weeks.",
+   "correct": false,
+   "settled_exactly": false,
+   "calcs": [],
+   "steps": 7,
+   "seconds": 20.2,
+   "error": ""
+  },
+  {
+   "group": "exact_fraction",
+   "domain": "arithmetic",
+   "question": "What is 962171 divided by 620003? Give the answer to four decimal places.",
+   "mode": "exact",
+   "expected": "962171/620003",
+   "answer": "1.5519",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "962171 / 620003 = 1.551881",
+    "962171 / 620003 = 1.551881",
+    "962171 / 620003 = 1.551881",
+    "962171 / 620003 = 1.551881"
+   ],
+   "steps": 2,
+   "seconds": 10.9,
+   "error": ""
+  },
+  {
+   "group": "exact_fraction",
+   "domain": "arithmetic",
+   "question": "What is 781391 divided by 117508? Give the answer to four decimal places.",
+   "mode": "exact",
+   "expected": "781391/117508",
+   "answer": "6.6497",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "781391 / 117508 = 6.649683",
+    "781391 / 117508 = 6.649683",
+    "781391 / 117508 = 6.649683"
+   ],
+   "steps": 1,
+   "seconds": 8.5,
+   "error": ""
+  },
+  {
+   "group": "powers",
+   "domain": "arithmetic",
+   "question": "What is 70 to the power of 12?",
+   "mode": "exact",
+   "expected": "13841287201000000000000",
+   "answer": "13841287201000000000000",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "70^12 = 13841287201000000000000",
+    "70^12 = 13841287201000000000000",
+    "70^12 = 13841287201000000000000",
+    "70^12 = 13841287201000000000000",
+    "70^12 = 13841287201000000000000",
+    "70^12 = 13841287201000000000000"
+   ],
+   "steps": 7,
+   "seconds": 32.9,
+   "error": ""
+  },
+  {
+   "group": "powers",
+   "domain": "arithmetic",
+   "question": "What is 80 to the power of 9?",
+   "mode": "exact",
+   "expected": "134217728000000000",
+   "answer": "134,217,728,000,000,000",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "80^9 = 134217728000000000",
+    "80^9 = 134217728000000000",
+    "80^9 = 134217728000000000",
+    "80^9 = 134217728000000000",
+    "80^9 = 134217728000000000",
+    "80^9 = 134217728000000000"
+   ],
+   "steps": 7,
+   "seconds": 33.5,
+   "error": ""
+  },
+  {
+   "group": "comparison",
+   "domain": "arithmetic",
+   "question": "Machine A makes 6033 parts an hour for 191 hours. Machine B makes 4351 parts an hour for 691 hours. How many parts does the more productive machine make in total?",
+   "mode": "exact",
+   "expected": "3006541",
+   "answer": "Machine B makes more total parts, with a total of 3,006,541 parts.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "6033 * 191 = 1152303",
+    "4351 * 691 = 3006541",
+    "6033 * 191 = 1152303"
+   ],
+   "steps": 7,
+   "seconds": 29.4,
+   "error": ""
+  },
+  {
+   "group": "comparison",
+   "domain": "arithmetic",
+   "question": "Machine A makes 1978 parts an hour for 485 hours. Machine B makes 5005 parts an hour for 174 hours. How many parts does the more productive machine make in total?",
+   "mode": "exact",
+   "expected": "959330",
+   "answer": "870870",
+   "correct": false,
+   "settled_exactly": true,
+   "calcs": [
+    "1978 * 485 = 959330",
+    "1978 * 485 = 959330"
+   ],
+   "steps": 7,
+   "seconds": 26.6,
+   "error": ""
+  },
+  {
+   "group": "anchored",
+   "domain": "consistency",
+   "question": "On which continent is Canada?",
+   "mode": "consistency",
+   "steady": true,
+   "said": "North America",
+   "seconds": 0.6
+  },
+  {
+   "group": "anchored",
+   "domain": "consistency",
+   "question": "On which continent is Thailand?",
+   "mode": "consistency",
+   "steady": true,
+   "said": "Asia",
+   "seconds": 0.6
+  },
+  {
+   "group": "invented",
+   "domain": "consistency",
+   "question": "What is the postal code of Brennveien 51 in Fjellmo?",
+   "mode": "consistency",
+   "steady": false,
+   "said": "I do not know.",
+   "seconds": 0.8
+  },
+  {
+   "group": "invented",
+   "domain": "consistency",
+   "question": "What is the postal code of Solhaalle 7 in Ostero?",
+   "mode": "consistency",
+   "steady": false,
+   "said": "I do not know.",
+   "seconds": 0.8
+  },
+  {
+   "group": "pigeonhole_pair",
+   "domain": "logic",
+   "question": "A drawer holds 14 grey, 11 blue, 26 black, 20 red socks. How many socks must be drawn in the dark to be certain of a matching pair?",
+   "mode": "exact",
+   "expected": "5",
+   "answer": "5 socks must be drawn to be certain of a matching pair.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "14 + 11 + 26 + 20 = 71",
+    "4 + 1 = 5"
+   ],
+   "steps": 7,
+   "seconds": 34.8,
+   "error": ""
+  },
+  {
+   "group": "pigeonhole_pair",
+   "domain": "logic",
+   "question": "A drawer holds 14 grey, 7 black, 28 white, 20 blue socks. How many socks must be drawn in the dark to be certain of a matching pair?",
+   "mode": "exact",
+   "expected": "5",
+   "answer": "5 socks must be drawn to be certain of a matching pair.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "14 + 7 + 28 + 20 = 69",
+    "4 + 1 = 5",
+    "4 + 1 = 5"
+   ],
+   "steps": 7,
+   "seconds": 39.8,
+   "error": ""
+  },
+  {
+   "group": "pigeonhole_k",
+   "domain": "logic",
+   "question": "A drawer holds 5 grey, 8 green socks. How many socks must be drawn in the dark to be certain of 3 socks of the same colour?",
+   "mode": "exact",
+   "expected": "5",
+   "answer": "5 socks must be drawn to be certain of 3 socks of the same colour.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "5 + 8 = 13",
+    "2 + 2 + 1 = 5",
+    "2 + 2 + 1 = 5",
+    "2 + 2 + 1 = 5"
+   ],
+   "steps": 2,
+   "seconds": 16.1,
+   "error": ""
+  },
+  {
+   "group": "pigeonhole_k",
+   "domain": "logic",
+   "question": "A drawer holds 11 green, 13 red, 23 grey socks. How many socks must be drawn in the dark to be certain of 4 socks of the same colour?",
+   "mode": "exact",
+   "expected": "10",
+   "answer": "10 socks must be drawn to be certain of having 4 socks of the same color.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "11 + 13 + 23 = 47",
+    "3 + 3 + 3 + 1 = 10",
+    "3 + 3 + 3 + 1 = 10"
+   ],
+   "steps": 1,
+   "seconds": 13.3,
+   "error": ""
+  },
+  {
+   "group": "inclusion_exclusion",
+   "domain": "logic",
+   "question": "In a class, 37 students study French, 27 study German, and 16 study both. How many students study at least one of the two languages?",
+   "mode": "exact",
+   "expected": "48",
+   "answer": "48 students study at least one of the two languages.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "37 + 27 - 16 = 48",
+    "37 - 16 = 21",
+    "27 - 16 = 11",
+    "27 - 16 = 11",
+    "27 - 16 = 11"
+   ],
+   "steps": 7,
+   "seconds": 29.4,
+   "error": ""
+  },
+  {
+   "group": "inclusion_exclusion",
+   "domain": "logic",
+   "question": "In a class, 49 students study French, 60 study German, and 43 study both. How many students study at least one of the two languages?",
+   "mode": "exact",
+   "expected": "66",
+   "answer": "66 students study at least one of the two languages.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "49 + 60 - 43 = 66",
+    "49 - 43 = 6",
+    "60 - 43 = 17",
+    "60 - 43 = 17",
+    "60 - 43 = 17",
+    "60 - 43 = 17"
+   ],
+   "steps": 2,
+   "seconds": 19.4,
+   "error": ""
+  },
+  {
+   "group": "handshakes",
+   "domain": "logic",
+   "question": "12 people are at a meeting and every pair shakes hands exactly once. How many handshakes happen?",
+   "mode": "exact",
+   "expected": "66",
+   "answer": "66 handshakes happen.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "12 * 11 / 2 = 66",
+    "12 * 11 / 2 = 66",
+    "12 * 11 / 2 = 66"
+   ],
+   "steps": 7,
+   "seconds": 27.9,
+   "error": ""
+  },
+  {
+   "group": "handshakes",
+   "domain": "logic",
+   "question": "33 people are at a meeting and every pair shakes hands exactly once. How many handshakes happen?",
+   "mode": "exact",
+   "expected": "528",
+   "answer": "528 handshakes happen.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528",
+    "33 * 32 / 2 = 528"
+   ],
+   "steps": 7,
+   "seconds": 30.9,
+   "error": ""
+  },
+  {
+   "group": "convert_mass",
+   "domain": "units",
+   "question": "How many kilograms are there in 530 tonnes?",
+   "mode": "exact",
+   "expected": "530000",
+   "answer": "530,000 kilograms.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000",
+    "530 * 1000 = 530000"
+   ],
+   "steps": 7,
+   "seconds": 28.5,
+   "error": ""
+  },
+  {
+   "group": "convert_mass",
+   "domain": "units",
+   "question": "How many kilograms are there in 706 tonnes?",
+   "mode": "exact",
+   "expected": "706000",
+   "answer": "706,000 kilograms.",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "706 * 1000 = 706000"
+   ],
+   "steps": 7,
+   "seconds": 19.0,
+   "error": ""
+  },
+  {
+   "group": "convert_length",
+   "domain": "units",
+   "question": "How many millimetres are there in 711 inchs?",
+   "mode": "exact",
+   "expected": "90297/5",
+   "answer": "18,059.4 millimetres",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4",
+    "711 * 25.4 = 18059.4"
+   ],
+   "steps": 7,
+   "seconds": 34.6,
+   "error": ""
+  },
+  {
+   "group": "convert_length",
+   "domain": "units",
+   "question": "How many millimetres are there in 466 foots?",
+   "mode": "exact",
+   "expected": "710184/5",
+   "answer": "142,036.8 millimetres",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "466 * 304.8 = 142036.8",
+    "466 * 304.8 = 142036.8",
+    "466 * 304.8 = 142036.8"
+   ],
+   "steps": 7,
+   "seconds": 35.9,
+   "error": ""
+  },
+  {
+   "group": "convert_time",
+   "domain": "units",
+   "question": "How many hours are there in 82 fortnights?",
+   "mode": "exact",
+   "expected": "27552",
+   "answer": "27,552 hours",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "82 * 14 = 1148",
+    "82 * 14 = 1148",
+    "1148 * 24 = 27552"
+   ],
+   "steps": 7,
+   "seconds": 17.0,
+   "error": ""
+  },
+  {
+   "group": "convert_time",
+   "domain": "units",
+   "question": "How many hours are there in 49 fortnights?",
+   "mode": "exact",
+   "expected": "16464",
+   "answer": "16,464 hours",
+   "correct": true,
+   "settled_exactly": true,
+   "calcs": [
+    "49 * 14 = 686",
+    "49 * 14 = 686",
+    "686 * 24 = 16464"
+   ],
+   "steps": 7,
+   "seconds": 16.4,
+   "error": ""
+  },
+  {
+   "group": "convert_digital",
+   "domain": "units",
+   "question": "How many bytes are there in 5 gibibytes?",
+   "mode": "exact",
+   "expected": "5368709120",
+   "answer": "5 gibibytes equal 5,368,709,120 bytes.",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "1024^3 = 1073741824",
+    "1024^3 = 1073741824",
+    "1024^3 = 1073741824"
+   ],
+   "steps": 7,
+   "seconds": 27.9,
+   "error": ""
+  },
+  {
+   "group": "convert_digital",
+   "domain": "units",
+   "question": "How many bytes are there in 44 mebibytes?",
+   "mode": "exact",
+   "expected": "46137344",
+   "answer": "44 mebibytes equals 44 \u00d7 1,048,576 = 46,137,344 bytes.",
+   "correct": true,
+   "settled_exactly": false,
+   "calcs": [
+    "2^20 = 1048576",
+    "1024^2 = 1048576"
+   ],
+   "steps": 7,
+   "seconds": 34.1,
+   "error": ""
+  }
+ ],
+ "seed": 20260811,
+ "model": "qwen3:4b-instruct-2507-q4_K_M"
+}
\ No newline at end of file