ISRC NLG620616976
Verified recording
NLG620616976 is “Trio and Introduction Psalm 81 "Sing Aloud to God Our Strength"” by Willem Hendrik Zwart,
registered on the CopyrightChains blockchain with CopyrightID
0x17ac32954923e5fff70993fa70a67e1bc0ba364fa0526fc299167faaf7ac1673 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/NLG620616976.
Recording identifiers
- ISRC
- NLG620616976
- Title
- Trio and Introduction Psalm 81 "Sing Aloud to God Our Strength"
- Artist
- Willem Hendrik Zwart
- CopyrightID (CopyrightChains transaction hash)
0x17ac32954923e5fff70993fa70a67e1bc0ba364fa0526fc299167faaf7ac1673
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e993404055bd6e36e321e54d6e3aad3b10c628c8f9ba9c16993f2f24af2b69d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620616976
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Trio and Introduction Psalm 81 "Sing Aloud to God Our Strength" · Machine-readable JSON-LD