ISRC FR39U0000011
Verified recording
FR39U0000011 is “33 Variations on a Waltz in C major by Diabelli, Op.120: Variation X: Presto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc0ad0863cdf68ff5bf8aa0fb710371c15e32c9f1c8f75229e7474ad1217acc34 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR39U0000011.
Recording identifiers
- ISRC
- FR39U0000011
- Title
- 33 Variations on a Waltz in C major by Diabelli, Op.120: Variation X: Presto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc0ad0863cdf68ff5bf8aa0fb710371c15e32c9f1c8f75229e7474ad1217acc34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:a8dc4ef418b96f5ad4026c82d4939ed6ee8a060172c3d64bc714ca17d6c705ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR39U0000011
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 33 Variations on a Waltz in C major by Diabelli, Op.120: Variation X: Presto · Machine-readable JSON-LD