ISRC GBLWD1104507
Verified recording
GBLWD1104507 is “Sonata No. 50 in D Major, Hob. XVI:37: II. Largo e sostenuto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x1b97d707166c70cf7fd2abe0555090b4902d563692de32113fbbf7aa14259dd0 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1104507.
Recording identifiers
- ISRC
- GBLWD1104507
- Title
- Sonata No. 50 in D Major, Hob. XVI:37: II. Largo e sostenuto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x1b97d707166c70cf7fd2abe0555090b4902d563692de32113fbbf7aa14259dd0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a68fb358dc5a47ba3abf2f485d57a8d42dd55caf6873214698569ede0ce96519- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1104507
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata No. 50 in D Major, Hob. XVI:37: II. Largo e sostenuto · Machine-readable JSON-LD