ISRC USB8U1029390
Verified recording
USB8U1029390 is “4 Karlekssanger (4 Love Songs): No. 3. Tredje Sangen (The Third Song)” by Johan Hammerth,
registered on the CopyrightChains blockchain with CopyrightID
0xc2f0319fc953b74f29da83a46b950b84bbae5c6d06f31d3f7351223c6d21dcc1 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1029390.
Recording identifiers
- ISRC
- USB8U1029390
- Title
- 4 Karlekssanger (4 Love Songs): No. 3. Tredje Sangen (The Third Song)
- Artist
- Johan Hammerth
- CopyrightID (CopyrightChains transaction hash)
0xc2f0319fc953b74f29da83a46b950b84bbae5c6d06f31d3f7351223c6d21dcc1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b406f376b11df890062df4adaae4ddfa8b0517132c7b32d0ea593178c37e63dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1029390
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 4 Karlekssanger (4 Love Songs): No. 3. Tredje Sangen (The Third Song) · Machine-readable JSON-LD