[LEAPSECS] Bulletin C and all that

[Rob Seaman]

On Feb 11, 2015, at 7:08 AM, Rob Seaman <seaman at noao.edu> wrote:

> For my current encoding, PHK's CRC keeps the final octet out of harm's way:
> 
> 	255.255.255.47 -> OK 2142 8 127 -1 (1, 1)
> 
> As shown, the first three 255s would require a negative leap second at the end of July 2142 with a specific prior offset.  It might be a bit pedantic to worry about this explicitly ;-)  Other encodings might be more likely but we can choose a CRC/SHA that avoids it.

More pedantically yet, the required prior offset (128 sec) is out of range so you can't get there in the first place.