ISRC DEN961930326
Verified recording
DEN961930326 is “33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 25. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2660a8b45d83edfd2e7f80a22a879b3cfe9c08c5cddecebafcd94c8618e340f4 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/DEN961930326.
Recording identifiers
- ISRC
- DEN961930326
- Title
- 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 25. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2660a8b45d83edfd2e7f80a22a879b3cfe9c08c5cddecebafcd94c8618e340f4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:75c525f40008139ec298856f6461d9e75e3e0d6c699ba94603d4c4109babd48d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961930326
- 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. 25. Allegro · Machine-readable JSON-LD