I had some more Western Tanagers visiting the yard (they are hanging around a lot more than last year) as well as a nice trip out to the wildlife preserve, where I saw (at a distance) some Redhead ducks, a new lifer. I also had a couple quick glimpses at some Yellow Warblers, a new county bird.
These photos are © 2022 Phil Thompson, all rights reserved.
My "birds in review" collages can be found here.
📄 hashes-2022-05-21-095249.txt
📄 hashes-2022-05-21-095249.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: 7a33adeb25d35403b7fa49692a03a99b34554d0733129330a3321bbe8be5d7dd
view the ALGO tx on explorer.perawallet.app: VBW7JBUDKAWSHUEFI54ZPCZTTB6T5LWEXDVUM5H55HK7FWIMJBNA
© 2024 Phil Thompson
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