ISRC QM4TW1608197
Verified recording
QM4TW1608197 is “What a Day - Vocal Version” by Klaus Layer,
registered on the CopyrightChains blockchain with CopyrightID
0xf19b312e5a538dd0597d8b80db0dcddb84d438ef4c55e9c5bba37858ce64a9ba and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1608197.
Recording identifiers
- ISRC
- QM4TW1608197
- Title
- What a Day - Vocal Version
- Artist
- Klaus Layer
- CopyrightID (CopyrightChains transaction hash)
0xf19b312e5a538dd0597d8b80db0dcddb84d438ef4c55e9c5bba37858ce64a9ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f82b24a49b608e81a8d5833614b08d6cc8d424bf1a59cadc5b4f5ed799b2ad65- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1608197
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: What a Day - Vocal Version · Machine-readable JSON-LD