ISRC NOFKF5815040
Verified recording
NOFKF5815040 is “Byen Sover” by Sigvald Tveit,
registered on the CopyrightChains blockchain with CopyrightID
0x5720c739b90dd4ec21f27234e71e4a9d2a93144068a946f7bd285905c3b10111 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF5815040.
Recording identifiers
- ISRC
- NOFKF5815040
- Title
- Byen Sover
- Artist
- Sigvald Tveit
- CopyrightID (CopyrightChains transaction hash)
0x5720c739b90dd4ec21f27234e71e4a9d2a93144068a946f7bd285905c3b10111
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:079409a40876e7c5174d579f8bd4aae2031187520d9ace0ca04333a9fafeb349- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFKF5815040
- Bitcoin block existence check
- https://blockstream.info/api/block/960284