ISRC NLWK31800017
Verified recording
NLWK31800017 is “Enter Sandman” by Thomas Zwijsen,
registered on the CopyrightChains blockchain with CopyrightID
0xd3fb03d8430bfea56fbfe0f0fa48d294860765ba4308ed94d1b2cd33713720d6 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31800017.
Recording identifiers
- ISRC
- NLWK31800017
- Title
- Enter Sandman
- Artist
- Thomas Zwijsen
- CopyrightID (CopyrightChains transaction hash)
0xd3fb03d8430bfea56fbfe0f0fa48d294860765ba4308ed94d1b2cd33713720d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:13e27381184b24050a5ee030a78bc96f8e003ff988bf28efb603d90ce8175abf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31800017
- Bitcoin block existence check
- https://blockstream.info/api/block/960337