ISRC QZFZ22118423
Verified recording
QZFZ22118423 is “Ups and Downs” by Nuk,
registered on the CopyrightChains blockchain with CopyrightID
0x9fd6efb39cf0f90ae27370e6d5eb2778d638c371ca89b85c633b708887d8d0d1 and independently timestamped
in Bitcoin block 957061 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22118423.
Recording identifiers
- ISRC
- QZFZ22118423
- Title
- Ups and Downs
- Artist
- Nuk
- CopyrightID (CopyrightChains transaction hash)
0x9fd6efb39cf0f90ae27370e6d5eb2778d638c371ca89b85c633b708887d8d0d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:ac2eb746006453b03502ef0bb214f988f6e637018972924dc3a2d38fdd1af35f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22118423
- Bitcoin block existence check
- https://blockstream.info/api/block/957061