ISRC GBAYC8100151

Verified recording

GBAYC8100151 is “Beethoven: String Quartet No. 16 in F Major, Op. 135: III. Lento assai, cantante tranquillo” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x990d0e5ddd8751b5b106c0c32bb4272387847ad98f7d8a682733a4e21bcf701e and independently timestamped in Bitcoin block 957124 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100151.

Recording identifiers

ISRC
GBAYC8100151
Title
Beethoven: String Quartet No. 16 in F Major, Op. 135: III. Lento assai, cantante tranquillo
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x990d0e5ddd8751b5b106c0c32bb4272387847ad98f7d8a682733a4e21bcf701e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27+00:00
Bitcoin block
957124
Canonical record hash
sha256:545ef894fdd7c5b09a282beb2aad28c2a0522dc84a5ecd8d29ab35786afcab85
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100151
Bitcoin block existence check
https://blockstream.info/api/block/957124

Full record

Track page: Beethoven: String Quartet No. 16 in F Major, Op. 135: III. Lento assai, cantante tranquillo · Machine-readable JSON-LD