ISRC DEN961930302
Verified recording
DEN961930302 is “33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 1. Alla marcia maestoso” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8893b72a94900f30507e3202bba735df1a222eca6332371d0defd0d300290210 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/DEN961930302.
Recording identifiers
- ISRC
- DEN961930302
- Title
- 33 Variations in C Major, Op. 120 on a Waltz by Diabelli: Var. 1. Alla marcia maestoso
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8893b72a94900f30507e3202bba735df1a222eca6332371d0defd0d300290210
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b25720a0ee66c6547c0eb8199673d304dbfd44977e97a4b53a9ad64f22dc8efa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961930302
- 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. 1. Alla marcia maestoso · Machine-readable JSON-LD