ISRC NLA506800477
Verified recording
NLA506800477 is “33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation II (Poco allegro)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2554becda39a534833e943d4f25a22def7ed5fdc8346b8633ec6a9ba3271a62d and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800477.
Recording identifiers
- ISRC
- NLA506800477
- Title
- 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation II (Poco allegro)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2554becda39a534833e943d4f25a22def7ed5fdc8346b8633ec6a9ba3271a62d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:8860e666529e22f857cdff607d4d30e8daa67b9625afe9ca6fe55439c8a3eea8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800477
- Bitcoin block existence check
- https://blockstream.info/api/block/960099
Full record
Track page: 33 Piano Variations In C, Op. 120 On A Waltz By Anton Diabelli: Variation II (Poco allegro) · Machine-readable JSON-LD