We had a male Rufous Hummingbird visit our feeder. It's been a little more than a year since we last saw one here so this guy arrived right on schedule.
These photos are © 2023 Phil Thompson, all rights reserved.
My "birds in review" collages can be found here.
📄 hashes-2023-04-04-085959.txt
📄 hashes-2023-04-04-085959.txt.sig
The above hashes-<date>.txt
file contains SHA-256 hashes of all the photos
from this shoot. The hashes-<date>.txt.sig
is a signature of that hashes
file, created with my PGP key. The signature file
itself was written to both the Bitcoin Cash and Algorand blockchains, in the
OP RETURN
and Note
fields respectively, using the transactions below.
In short, this proves that these photos and the signature both existed at the time the
transactions were written to the Bitcoin Cash and Algorand blockchains.
This blog post has more details.
view the BCH tx on blockchair.com: 6b3c8c8cf097f092555747b3fb181281b4f7760a35012f9694255b1fbac07d10
view the ALGO tx on explorer.perawallet.app: K5KQLVE3DEIVXCJZX4S5NMPP36522RHS3RMRPIMFM2W46Z2P7AMA
© 2024 Phil Thompson
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