ISRC NLA506800486
Verified recording
NLA506800486 is “33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation XI (Allegretto)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x52d6629c5789d8017e13b21728e07297697037ffc8e8aef3ea7261d8a16f2138 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800486.
Recording identifiers
- ISRC
- NLA506800486
- Title
- 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation XI (Allegretto)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x52d6629c5789d8017e13b21728e07297697037ffc8e8aef3ea7261d8a16f2138
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:f395dde5416efd592fb867e12bb044e30c6ac3c4b1619ea4cc43b194656dff30- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800486
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation XI (Allegretto) · Machine-readable JSON-LD