ISRC QM4TW1608190
Verified recording
QM4TW1608190 is “What a Day - Instrumental” by Klaus Layer,
registered on the CopyrightChains blockchain with CopyrightID
0xcb46030d1a88befc1ab1941b74982952b2cd6f937187dc730ba017f4aa45bd63 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1608190.
Recording identifiers
- ISRC
- QM4TW1608190
- Title
- What a Day - Instrumental
- Artist
- Klaus Layer
- CopyrightID (CopyrightChains transaction hash)
0xcb46030d1a88befc1ab1941b74982952b2cd6f937187dc730ba017f4aa45bd63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:69fdd335bb6989bc3abca99a2bcce861c0153ded30657b7d2a2c12b5ba42ef1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1608190
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: What a Day - Instrumental · Machine-readable JSON-LD