ISRC QZS642351524
Verified recording
QZS642351524 is “U&I” by rezn,
registered on the CopyrightChains blockchain with CopyrightID
0x2727cad2ca781a9c6bb37c8a672a71f44b8b637dd87edc71dbe6b7705769e689 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS642351524.
Recording identifiers
- ISRC
- QZS642351524
- Title
- U&I
- Artist
- rezn
- CopyrightID (CopyrightChains transaction hash)
0x2727cad2ca781a9c6bb37c8a672a71f44b8b637dd87edc71dbe6b7705769e689
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:fe08c86140e93b6e8636fd42948ea0d1764eef7e4d1ed34ad9f9bb71c2901be5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS642351524
- Bitcoin block existence check
- https://blockstream.info/api/block/960448