ISRC GBAYC8903049
Verified recording
GBAYC8903049 is “String Quartet No. 16 in F Major, Op.135: II. Vivace” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2475cfad103b82fb886f09c256249e48810c4631fb6611432484d2f411db0211 and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903049.
Recording identifiers
- ISRC
- GBAYC8903049
- Title
- String Quartet No. 16 in F Major, Op.135: II. Vivace
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2475cfad103b82fb886f09c256249e48810c4631fb6611432484d2f411db0211
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:125df88423743a7277dc8a0cf161ea6f300e84e303f3a8cde13a1aa21bd1b477- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903049
- Bitcoin block existence check
- https://blockstream.info/api/block/959123
Full record
Track page: String Quartet No. 16 in F Major, Op.135: II. Vivace · Machine-readable JSON-LD