ISRC DEN961930304
Verified recording
DEN961930304 is “33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 3. L’istesso tempo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x43fefa8468d81ebcdc5917c3078228e4d91643977bbcb69f0f8f886936f60d4d and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961930304.
Recording identifiers
- ISRC
- DEN961930304
- Title
- 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 3. L’istesso tempo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x43fefa8468d81ebcdc5917c3078228e4d91643977bbcb69f0f8f886936f60d4d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:87a231a989643476fd3da51355bd8ef7146e0ce2d60c84c25cbde0dadc0d70d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961930304
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 3. L’istesso tempo · Machine-readable JSON-LD