ISRC GBLWD1600910
Verified recording
GBLWD1600910 is “String Quartet in E-Flat Major, Op. 76 No. 6, Hob. III: 80: II. Fantasia. Adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x30fcdc4f58cb091ce7adda788c00bcb1aa7646d7c687cbcae2d9b7c7d5f794d3 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600910.
Recording identifiers
- ISRC
- GBLWD1600910
- Title
- String Quartet in E-Flat Major, Op. 76 No. 6, Hob. III: 80: II. Fantasia. Adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x30fcdc4f58cb091ce7adda788c00bcb1aa7646d7c687cbcae2d9b7c7d5f794d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:3f8d1d99b1ccb8225b8aeec53a1debdc385e37b235dfb2b022dad1d0e399ce6f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1600910
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: String Quartet in E-Flat Major, Op. 76 No. 6, Hob. III: 80: II. Fantasia. Adagio · Machine-readable JSON-LD