ISRC GBAYC9802944
Verified recording
GBAYC9802944 is “Haydn: String Quartet in D Major, Op. 76 No. 5, Hob. III:79: II. Largo cantabile e mesto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x5b5a991ac939511c794db06246a874820c2bef21c2073c6c1a099e0d94ff5218 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802944.
Recording identifiers
- ISRC
- GBAYC9802944
- Title
- Haydn: String Quartet in D Major, Op. 76 No. 5, Hob. III:79: II. Largo cantabile e mesto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x5b5a991ac939511c794db06246a874820c2bef21c2073c6c1a099e0d94ff5218
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:f458822229eb1c7e25353f43629e516367e074c077d1e87902d7933b626ab9b0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9802944
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Haydn: String Quartet in D Major, Op. 76 No. 5, Hob. III:79: II. Largo cantabile e mesto · Machine-readable JSON-LD