ISRC QZTTB2200013
Verified recording
QZTTB2200013 is “First Grade” by Lauv,
registered on the CopyrightChains blockchain with CopyrightID
0x511685cf513c4d6c1c8ce6c007f738cac943d944de9e2e9d749ca9bc6da2b782 and independently timestamped
in Bitcoin block 953536 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTTB2200013.
Recording identifiers
- ISRC
- QZTTB2200013
- Title
- First Grade
- Artist
- Lauv
- CopyrightID (CopyrightChains transaction hash)
0x511685cf513c4d6c1c8ce6c007f738cac943d944de9e2e9d749ca9bc6da2b782
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T17:25:41+00:00
- Bitcoin block
- 953536
- Canonical record hash
sha256:5dc578c5554f034da1b2cf8c269ba6e0a280868f576202073183d113fc249d19- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTTB2200013
- Bitcoin block existence check
- https://blockstream.info/api/block/953536