ISRC USHM91338210
Verified recording
USHM91338210 is “The Ballad of the Sad Cafe (feat. Joana Espadinha)” by Joao Hasselberg,
registered on the CopyrightChains blockchain with CopyrightID
0x1f0caf3d8741fc1a1fd81f3656b0f816a604fe0006fb7942c6e94754c935f1c4 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91338210.
Recording identifiers
- ISRC
- USHM91338210
- Title
- The Ballad of the Sad Cafe (feat. Joana Espadinha)
- Artist
- Joao Hasselberg
- CopyrightID (CopyrightChains transaction hash)
0x1f0caf3d8741fc1a1fd81f3656b0f816a604fe0006fb7942c6e94754c935f1c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:f4ab762c639c9cc70a23c8822a7b39edae14adf8d619b7dfa8f8ab56e8bc84d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91338210
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: The Ballad of the Sad Cafe (feat. Joana Espadinha) · Machine-readable JSON-LD