ISRC SEAEB2388050
Verified recording
SEAEB2388050 is “String Quartet in E-Flat Major, Op. 33 No. 2, Hob. III:38 "The Joke": I. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x252940e1b2941e094dcf257103422d283a17025012a62a6e4cb8f05b2f354446 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/SEAEB2388050.
Recording identifiers
- ISRC
- SEAEB2388050
- Title
- String Quartet in E-Flat Major, Op. 33 No. 2, Hob. III:38 "The Joke": I. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x252940e1b2941e094dcf257103422d283a17025012a62a6e4cb8f05b2f354446
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2b18998c987bb0687293d399c20fe968e04457784b66a2c7cbf77c08550712cd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEB2388050
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet in E-Flat Major, Op. 33 No. 2, Hob. III:38 "The Joke": I. Allegro moderato · Machine-readable JSON-LD