ISRC DEE212142609
Verified recording
DEE212142609 is “String Quartet in E-Flat Major, Op. 33/2, Hob. III:38 "The Joke": I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x1d4a289ca2e5e92dcfdac8f6bab8f208ef17188739540753d877031a0d34524d and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142609.
Recording identifiers
- ISRC
- DEE212142609
- Title
- String Quartet in E-Flat Major, Op. 33/2, Hob. III:38 "The Joke": I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x1d4a289ca2e5e92dcfdac8f6bab8f208ef17188739540753d877031a0d34524d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:e8373a51f81493cd27b7ebcbeec23bd38518b7ec2054017ee46e77d2e8a27311- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142609
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: String Quartet in E-Flat Major, Op. 33/2, Hob. III:38 "The Joke": I. Allegro moderato · Machine-readable JSON-LD