ISRC DEN962030422
Verified recording
DEN962030422 is “33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 21. Allegro con brio - Meno allegro - Live at Pierre Boulez Saal, Berlin / 2020” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x83b63dc55725114c1023bf91aef66e48749b89fae26f01f6f16fb5a9a185159e 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/DEN962030422.
Recording identifiers
- ISRC
- DEN962030422
- Title
- 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 21. Allegro con brio - Meno allegro - Live at Pierre Boulez Saal, Berlin / 2020
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x83b63dc55725114c1023bf91aef66e48749b89fae26f01f6f16fb5a9a185159e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:129d76b21e7a41e2bb79f1aa3aecb90a7dde9163d4511bd614ae4164223cbea6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962030422
- 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. 21. Allegro con brio - Meno allegro - Live at Pierre Boulez Saal, Berlin / 2020 · Machine-readable JSON-LD