ISRC NLWK31800007
Verified recording
NLWK31800007 is “Hollow Years” by Thomas Zwijsen,
registered on the CopyrightChains blockchain with CopyrightID
0x055f93c907eb196e9afd00a9b99e58f062ead0a2e9d5250a8ba8c0a2ae34dfd6 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31800007.
Recording identifiers
- ISRC
- NLWK31800007
- Title
- Hollow Years
- Artist
- Thomas Zwijsen
- CopyrightID (CopyrightChains transaction hash)
0x055f93c907eb196e9afd00a9b99e58f062ead0a2e9d5250a8ba8c0a2ae34dfd6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:c7c8c177f5257110b10240c8ca84b56f4c8fe55775ff286f6eca310f4431c9f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLWK31800007
- Bitcoin block existence check
- https://blockstream.info/api/block/960473