ISRC NLWK31800006
Verified recording
NLWK31800006 is “Seventh Son of a Seventh Son” by Thomas Zwijsen,
registered on the CopyrightChains blockchain with CopyrightID
0xe663ead56a942bfabee0012281d9e5638cee3993fac7bf9cbd2abbfb945850fb and independently timestamped
in Bitcoin block 960387 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31800006.
Recording identifiers
- ISRC
- NLWK31800006
- Title
- Seventh Son of a Seventh Son
- Artist
- Thomas Zwijsen
- CopyrightID (CopyrightChains transaction hash)
0xe663ead56a942bfabee0012281d9e5638cee3993fac7bf9cbd2abbfb945850fb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:06:30+00:00
- Bitcoin block
- 960387
- Canonical record hash
sha256:2c914a902de25e94a87e571ce09f2623c143d1f64a8e7d21e9282be40b2b1bb4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31800006
- Bitcoin block existence check
- https://blockstream.info/api/block/960387
Full record
Track page: Seventh Son of a Seventh Son · Machine-readable JSON-LD