See attestation_0062.md in this directory for Lev Dubinets's signed attestation.
Hash of the challenge file for verification:
78c92f23 102860bb e7a24a88 92ae49f4
78efa791 d94a0d71 5b479dc8 3731ffa5
0ee46769 caa4ea5c 0dadf765 2ba4f2bd
bc284fc3 edea6313 d27ea06d f2726af3
response was based on the hash:
78c92f23 102860bb e7a24a88 92ae49f4
78efa791 d94a0d71 5b479dc8 3731ffa5
0ee46769 caa4ea5c 0dadf765 2ba4f2bd
bc284fc3 edea6313 d27ea06d f2726af3
Hash of the response file for verification:
9c291210 01aa7628 04a1509f 5e36c04b
88cf0f68 e0cbdc67 5f0df199 aa50fa46
a2a66a80 e291fdf3 08d4a517 b522e623
14bbe7f3 181b9713 a8e0391d f2a369ad
Blake2b hash of the new_challenge file for participant #63:
e2af5e0c 70d279be 02ecf969 5e1d71e1
d5e56887 43652ad4 9ac3031f 4f8be1a7
5a5860ea 878a4350 409300f3 fb5145c0
c10601f5 28777802 b2e10da9 80e2b5f9
The above new_challenge file: https://ppot.blob.core.windows.net/public/challenge_0063
Lev Dubinets's attestation:
Date: Sat Oct 24 2020 - Fri Oct 30 2020 Name: Lev Dubinets Location: Seattle, WA Device: Macbook Pro, macOS 10.15.6 Commit Hash: 32a08552ab60dc6be208273ca425068c37f7a3bc (snarkjs) Challenge: URL: https://ppotus.blob.core.windows.net/public/challenge\_0062
`challenge` file contains decompressed points and has a hash:
78c92f23 102860bb e7a24a88 92ae49f4
78efa791 d94a0d71 5b479dc8 3731ffa5
0ee46769 caa4ea5c 0dadf765 2ba4f2bd
bc284fc3 edea6313 d27ea06d f2726af3
`challenge` file claims (!!! Must not be blindly trusted) that it was based on the original contribution with a hash:
db26ad87 5e3d5440 845be6b9 f72e1199
f520f389 7b95c705 32fd8294 317b64ed
0be179a2 3615d86b 3d5a7703 2f9ce6e8
6b4b025e 8fd0ad0f 88ecf48f 82d73e13
Response:
Contribution response hash:
9c291210 01aa7628 04a1509f 5e36c04b
88cf0f68 e0cbdc67 5f0df199 aa50fa46
a2a66a80 e291fdf3 08d4a517 b522e623
14bbe7f3 181b9713 a8e0391d f2a369ad
Time taken Download: 4hr Execution: 24h+ (don't have exact time) Upload: 22h
Entropy Sources: Large amount of text from random.org, /dev/urandom, and keyboard mashing. Side channel defences: Laptop restarted and airgapped Postprocessing: Rebooted machine