ISRC USRDG0223267
Verified recording
USRDG0223267 is “Waltzes of Youth (Jugend-Walzer/Valses de la jeunesse)” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xd8f91eea5f42c49018b1e29bc7b5518abb56e614c3d7f629cda8c8b4af39aa1f and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0223267.
Recording identifiers
- ISRC
- USRDG0223267
- Title
- Waltzes of Youth (Jugend-Walzer/Valses de la jeunesse)
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xd8f91eea5f42c49018b1e29bc7b5518abb56e614c3d7f629cda8c8b4af39aa1f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:92024aba17b2bac94eac846ea130c03041f5b6db55d67d44ea10740dbff127e8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0223267
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: Waltzes of Youth (Jugend-Walzer/Valses de la jeunesse) · Machine-readable JSON-LD