ISRC NLSB71900203
Verified recording
NLSB71900203 is “Blank Page” by Klangstof,
registered on the CopyrightChains blockchain with CopyrightID
0x57a6080814606efe49242740f855b85676c2b33a0a9a141d8d039d452e5b8f0c and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB71900203.
Recording identifiers
- ISRC
- NLSB71900203
- Title
- Blank Page
- Artist
- Klangstof
- CopyrightID (CopyrightChains transaction hash)
0x57a6080814606efe49242740f855b85676c2b33a0a9a141d8d039d452e5b8f0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:0f8e93870b77475b7722b917e1b7c9b69b0de4ec7dfa49d7963b19e265c33182- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLSB71900203
- Bitcoin block existence check
- https://blockstream.info/api/block/960254