ISRC GBLWD1702209
Verified recording
GBLWD1702209 is “Sonata No. 35 in A-Flat Major, Hob. XVI:43: III. Rondo. Presto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x91cfa77851f48ac61bccf52b5f1f59cf1cc090d72f281b137a609d6ef7d766ad and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1702209.
Recording identifiers
- ISRC
- GBLWD1702209
- Title
- Sonata No. 35 in A-Flat Major, Hob. XVI:43: III. Rondo. Presto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x91cfa77851f48ac61bccf52b5f1f59cf1cc090d72f281b137a609d6ef7d766ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:f4b506d0ae6de82dcbdfba5fd52edb9fb0dfbea059e2e9632f49bf4faa99fcb0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1702209
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Sonata No. 35 in A-Flat Major, Hob. XVI:43: III. Rondo. Presto · Machine-readable JSON-LD