ISRC DEN961930312
Verified recording
DEN961930312 is “33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 11. Allegretto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x1f1fedd49cbfcd086c850824c5a8dcfab6e75a3fc47e034695bb9bd4a55dd438 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/DEN961930312.
Recording identifiers
- ISRC
- DEN961930312
- Title
- 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 11. Allegretto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x1f1fedd49cbfcd086c850824c5a8dcfab6e75a3fc47e034695bb9bd4a55dd438
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ffece36da3169ac0e0d81b8b1f2bd457445b748cb741241c5844abac3c8c08a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961930312
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 11. Allegretto · Machine-readable JSON-LD