ISRC NLA506800487
Verified recording
NLA506800487 is “33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation XII (Un poco più moto)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xb4bc2d18b5a4f9a70607052bf3d37b001f59cd664bb7ee56449777e06f0ef97a and independently timestamped
in Bitcoin block 957052 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800487.
Recording identifiers
- ISRC
- NLA506800487
- Title
- 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation XII (Un poco più moto)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xb4bc2d18b5a4f9a70607052bf3d37b001f59cd664bb7ee56449777e06f0ef97a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:50:41+00:00
- Bitcoin block
- 957052
- Canonical record hash
sha256:2f2550eb91bc14bc8e0211150bb2afb47943ee15625db7c63876d65f22b970a1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800487
- Bitcoin block existence check
- https://blockstream.info/api/block/957052
Full record
Track page: 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation XII (Un poco più moto) · Machine-readable JSON-LD