We had a new yard bird visit the feeder and birdbath the other day, a Band-tailed Pigeon. I've previously seen these but only at quite a distance. It was quite a nice looking bird. These photos were taken through a window.
These photos are © 2022 Phil Thompson, all rights reserved.
My "birds in review" collages can be found here.
📄 hashes-2022-10-15-142947.txt
📄 hashes-2022-10-15-142947.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: d6d1f96c91d412d203e57b620825867e3a4b33a331dcb2d22da324c2acf545b6
view the ALGO tx on explorer.perawallet.app: JBRFEFUA6YSDJFXQZTLQ76Z4GKBHPQQUS4ZWGVZ3C3PA2G23R5SA
10:03AM Friday October 07, 2022
Band-tailed PigeonHere I composited the bird's head, which was sharp in one photo, onto another photo where the rest of the bird was sharp. The two photos were nearly identical other than where they were sharp, so it was quick and easy to make this composite image.
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