ISRC DEUM71203330
Verified recording
DEUM71203330 is “Rosamunde (Beer Barrel Polka) - Live in Maastricht , 2012” by Jaromír Vejvoda,
registered on the CopyrightChains blockchain with CopyrightID
0x74cdbca326ad5de582f02f581d41473da5ec7ca1ec4064b2590635486b632e3a and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71203330.
Recording identifiers
- ISRC
- DEUM71203330
- Title
- Rosamunde (Beer Barrel Polka) - Live in Maastricht , 2012
- Artist
- Jaromír Vejvoda
- CopyrightID (CopyrightChains transaction hash)
0x74cdbca326ad5de582f02f581d41473da5ec7ca1ec4064b2590635486b632e3a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:337e4231ccac358a2534e79c065897dea67c2b88d232a064868aacc7d101b2c0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71203330
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Rosamunde (Beer Barrel Polka) - Live in Maastricht , 2012 · Machine-readable JSON-LD