ISRC QMZ621700347
Verified recording
QMZ621700347 is “Klezmer Classics” by Johan de Meij,
registered on the CopyrightChains blockchain with CopyrightID
0x17a2429a7ba96aa938a59dc99fb0d9c2d6fd80deead897a559520d22d7433e72 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/QMZ621700347.
Recording identifiers
- ISRC
- QMZ621700347
- Title
- Klezmer Classics
- Artist
- Johan de Meij
- CopyrightID (CopyrightChains transaction hash)
0x17a2429a7ba96aa938a59dc99fb0d9c2d6fd80deead897a559520d22d7433e72
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b105ba21cc2e1a73b27b81d938096a3184d40ff4363e7a0c2cb7b71f98fe867b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621700347
- Bitcoin block existence check
- https://blockstream.info/api/block/957118