ISRC GBLLH1230803
Verified recording
GBLLH1230803 is “Piano Sonata No.21 in C major (Waldstein), Op.53: i. Allegro con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc9e32023965f8cabcbc2085f0c9ae1893c19c19accc3da08112931b7aa154fff and independently timestamped
in Bitcoin block 957061 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1230803.
Recording identifiers
- ISRC
- GBLLH1230803
- Title
- Piano Sonata No.21 in C major (Waldstein), Op.53: i. Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc9e32023965f8cabcbc2085f0c9ae1893c19c19accc3da08112931b7aa154fff
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:b9965e83de2009fa9645bb50dbdd19c7c183ecb0fb0bac426cd04c28a47ab48a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1230803
- Bitcoin block existence check
- https://blockstream.info/api/block/957061
Full record
Track page: Piano Sonata No.21 in C major (Waldstein), Op.53: i. Allegro con brio · Machine-readable JSON-LD