ISRC GBAYC8903050
Verified recording
GBAYC8903050 is “String Quartet No. 16 in F Major, Op.135: III. Lento assai e cantante tranquillo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x28a6213831781a4347baca10b5ff0b42f703466df57fc94f4b481b13d175f79b and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903050.
Recording identifiers
- ISRC
- GBAYC8903050
- Title
- String Quartet No. 16 in F Major, Op.135: III. Lento assai e cantante tranquillo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x28a6213831781a4347baca10b5ff0b42f703466df57fc94f4b481b13d175f79b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e4f18f7e7d71818822b9e5e79fbf57dd7d1a8ff5e0661e7f35997a344c8a7b57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8903050
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 16 in F Major, Op.135: III. Lento assai e cantante tranquillo · Machine-readable JSON-LD