ISRC GBAYC9803878

Verified recording

GBAYC9803878 is “Beethoven: String Quartet No. 15 in A Minor, Op. 132: IV. Alla Marcia, assai vivace” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x5fbbc1acb4d2e33bb9c970d059140f69dcaefd787160723cb4c52473fd8acd40 and independently timestamped in Bitcoin block 960273 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803878.

Recording identifiers

ISRC
GBAYC9803878
Title
Beethoven: String Quartet No. 15 in A Minor, Op. 132: IV. Alla Marcia, assai vivace
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x5fbbc1acb4d2e33bb9c970d059140f69dcaefd787160723cb4c52473fd8acd40

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38+00:00
Bitcoin block
960273
Canonical record hash
sha256:86b123b7a3c91516ea7441e370c199db39d43ca9145c3e8cb7b9b1054ff4a5e4
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803878
Bitcoin block existence check
https://blockstream.info/api/block/960273

Full record

Track page: Beethoven: String Quartet No. 15 in A Minor, Op. 132: IV. Alla Marcia, assai vivace · Machine-readable JSON-LD