ISRC NLG620591641
Verified recording
NLG620591641 is “Psalm 77, "'k Zal gedenken, hoe voor dezen" - Fantasie” by Willem Hendrik Zwart,
registered on the CopyrightChains blockchain with CopyrightID
0x4754aa5ada6efb6773ba96cf39ba21eb6c99efb5211626b2d9568098dd1a8269 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620591641.
Recording identifiers
- ISRC
- NLG620591641
- Title
- Psalm 77, "'k Zal gedenken, hoe voor dezen" - Fantasie
- Artist
- Willem Hendrik Zwart
- CopyrightID (CopyrightChains transaction hash)
0x4754aa5ada6efb6773ba96cf39ba21eb6c99efb5211626b2d9568098dd1a8269
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:59b1f988cc5ee91f4bd8100a5d2150409f5c05ef1e142fa439a98d08b1200713- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620591641
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Psalm 77, "'k Zal gedenken, hoe voor dezen" - Fantasie · Machine-readable JSON-LD