ISRC QMBZ91920430
Verified recording
QMBZ91920430 is “Letztes Licht” by Tufu,
registered on the CopyrightChains blockchain with CopyrightID
0xc64cd4ad062628149ec2e4a4f1e3004ced08d08028af41fd6f1713257bef29db and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91920430.
Recording identifiers
- ISRC
- QMBZ91920430
- Title
- Letztes Licht
- Artist
- Tufu
- CopyrightID (CopyrightChains transaction hash)
0xc64cd4ad062628149ec2e4a4f1e3004ced08d08028af41fd6f1713257bef29db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:0a91499bca587b71e01ce3d8c70a65b231e2f5805720152d1f4d4d6bf9587eb2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91920430
- Bitcoin block existence check
- https://blockstream.info/api/block/960144