ISRC QZFZ21903570
Verified recording
QZFZ21903570 is “Y , U” by Two Sleepy,
registered on the CopyrightChains blockchain with CopyrightID
0x13aec490e211293ac1b76ddb7b8f41fd3ac2fdec1f53266d414cc2d31ee240e3 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21903570.
Recording identifiers
- ISRC
- QZFZ21903570
- Title
- Y , U
- Artist
- Two Sleepy
- CopyrightID (CopyrightChains transaction hash)
0x13aec490e211293ac1b76ddb7b8f41fd3ac2fdec1f53266d414cc2d31ee240e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a61d3d3b68e67decd4adde9991ee2cd30ed1210e6effcbf4cc647ba448b557e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21903570
- Bitcoin block existence check
- https://blockstream.info/api/block/956304