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+# Comparing C and OCaml Implementations
+
+## Quick Comparison
+
+To verify that the OCaml jam/cue implementation produces identical output to the C implementation:
+
+```bash
+./compare_jam.sh
+```
+
+This script:
+1. Builds and runs the C comparison program (`zig build jam-compare`)
+2. Runs the OCaml comparison program (`dune exec test/jam_compare.exe`)
+3. Compares the hex outputs byte-by-byte
+
+## Manual Comparison
+
+### C Side
+```bash
+cd vere
+zig build jam-compare
+```
+
+### OCaml Side
+```bash
+cd ocaml
+dune exec test/jam_compare.exe
+```
+
+Both programs output the jam encoding (in hex) for the same set of test nouns:
+- Simple atoms: 0, 1, 2, 42, 255, 256
+- Simple cells: [1 2], [0 0], [42 43]
+- Nested cells: [[1 2] 3], [1 [2 3]]
+- Trees: [[1 2] [3 4]], [[[1 2] [3 4]] [[5 6] [7 8]]]
+
+## Example Output
+
+```
+0: 02
+1: 0c
+2: 48
+42: 5015
+255: 20fe01
+256: 600002
+[1 2]: 3112
+[0 0]: 29
+[42 43]: 4155e80a
+[[1 2] 3]: c54834
+[1 [2 3]]: 714834
+[[1 2] [3 4]]: c5c8d098
+[[[1 2] [3 4]] [[5 6] [7 8]]]: 15234363162e76f81004
+```
+
+## Verification
+
+✅ The C and OCaml implementations produce **identical byte-for-byte** output for all test cases.
+
+This confirms that the OCaml implementation is a correct port of the C jam/cue serialization.