ISRC DEF057209112
Verified recording
DEF057209112 is “Kong Christian (National Anthem of Denmark)” by Friedrich Kuhlau,
registered on the CopyrightChains blockchain with CopyrightID
0xf4659986f741fc4aa8941b30ebaad4155dadb1d529108f4fa62891eaf0360035 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209112.
Recording identifiers
- ISRC
- DEF057209112
- Title
- Kong Christian (National Anthem of Denmark)
- Artist
- Friedrich Kuhlau
- CopyrightID (CopyrightChains transaction hash)
0xf4659986f741fc4aa8941b30ebaad4155dadb1d529108f4fa62891eaf0360035
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:456165229611e43a9180538e22a842aa402c01237cc22df0614c6d6ec9a569ca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057209112
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Kong Christian (National Anthem of Denmark) · Machine-readable JSON-LD