ISRC GBAYC9903449
Verified recording
GBAYC9903449 is “Beethoven: Piano Sonata No. 4 in E-Flat Major, Op. 7: IV. Rondo. Poco allegretto e grazioso” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x939c04050ff8b1c5eabc21ade794fdfcc2928c178971fef6c51611e4c76bf27f and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903449.
Recording identifiers
- ISRC
- GBAYC9903449
- Title
- Beethoven: Piano Sonata No. 4 in E-Flat Major, Op. 7: IV. Rondo. Poco allegretto e grazioso
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x939c04050ff8b1c5eabc21ade794fdfcc2928c178971fef6c51611e4c76bf27f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a396ba5ee5b0ec85dee64ebbc5212c53cb4932d32b5c0c5dfb9d7858abecbd4a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9903449
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Beethoven: Piano Sonata No. 4 in E-Flat Major, Op. 7: IV. Rondo. Poco allegretto e grazioso · Machine-readable JSON-LD