ISRC NLG620582524
Verified recording
NLG620582524 is “Postludium” by Marjolein de Wit,
registered on the CopyrightChains blockchain with CopyrightID
0x337a0562f1d799ca2197e27fd5294fc0b64c812659b3754fea01c483f00a8dfd and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620582524.
Recording identifiers
- ISRC
- NLG620582524
- Title
- Postludium
- Artist
- Marjolein de Wit
- CopyrightID (CopyrightChains transaction hash)
0x337a0562f1d799ca2197e27fd5294fc0b64c812659b3754fea01c483f00a8dfd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:1b5e8afa3dd45e39945be77239bcd78e63ae167a02f6b848202559f87bb9b8c3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620582524
- Bitcoin block existence check
- https://blockstream.info/api/block/960327