ISRC GBAYC8903011
Verified recording
GBAYC8903011 is “String Quartet No.12 in E Flat, Op.127: I. Maestoso - Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x655f6ca680af55591fe32201b3869a917ea999e77d5cd0bdc190d6324ba62806 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903011.
Recording identifiers
- ISRC
- GBAYC8903011
- Title
- String Quartet No.12 in E Flat, Op.127: I. Maestoso - Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x655f6ca680af55591fe32201b3869a917ea999e77d5cd0bdc190d6324ba62806
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:4576c3c48c54330d33e5a5e0438e106fa442da7f35d4b0fcca20a9cca167a649- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903011
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No.12 in E Flat, Op.127: I. Maestoso - Allegro · Machine-readable JSON-LD