ISRC GBAYC8903051

Verified recording

GBAYC8903051 is “String Quartet No. 16 in F Major, Op.135: IV. Grave ma non troppo tratto - Allegro” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0xeeb79a0bef88ae5d43d489132dbf8f290117283eb582ab43b97da43665a8b513 and independently timestamped in Bitcoin block 959144 on 2026-07-22. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903051.

Recording identifiers

ISRC
GBAYC8903051
Title
String Quartet No. 16 in F Major, Op.135: IV. Grave ma non troppo tratto - Allegro
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0xeeb79a0bef88ae5d43d489132dbf8f290117283eb582ab43b97da43665a8b513

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-22T15:38:35+00:00
Bitcoin block
959144
Canonical record hash
sha256:ce5b6829441092a679f9b16055ce4935ac4f9039451d74bbd7cd6c0f2445cba4
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903051
Bitcoin block existence check
https://blockstream.info/api/block/959144

Full record

Track page: String Quartet No. 16 in F Major, Op.135: IV. Grave ma non troppo tratto - Allegro · Machine-readable JSON-LD