ISRC QMBZ91612542
Verified recording
QMBZ91612542 is “Psalm 71, " 'k Betrouw op U, hoor mijn gebeden" - Voorspel en Koraal” by Willem Hendrik Zwart,
registered on the CopyrightChains blockchain with CopyrightID
0xe4932068feeb62c649b8bbcd825ac0e7f500a386d1f9ea05e9dafdb9044b4909 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91612542.
Recording identifiers
- ISRC
- QMBZ91612542
- Title
- Psalm 71, " 'k Betrouw op U, hoor mijn gebeden" - Voorspel en Koraal
- Artist
- Willem Hendrik Zwart
- CopyrightID (CopyrightChains transaction hash)
0xe4932068feeb62c649b8bbcd825ac0e7f500a386d1f9ea05e9dafdb9044b4909
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:2fa1549143272188a606fc32891852d84bfbd39ca39a24455ac641469826cfb7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91612542
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Psalm 71, " 'k Betrouw op U, hoor mijn gebeden" - Voorspel en Koraal · Machine-readable JSON-LD