ISRC DEU241020667
Verified recording
DEU241020667 is “Streichquartett C-Dur op. 76 Nr. 3 Hob. III:77 "Kaiserquartett": II. Poco adagio, cantabile” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xecce8ac508ca193cd126704b002cf77c9747933d3dd07bbc45d961add20d03f0 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU241020667.
Recording identifiers
- ISRC
- DEU241020667
- Title
- Streichquartett C-Dur op. 76 Nr. 3 Hob. III:77 "Kaiserquartett": II. Poco adagio, cantabile
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xecce8ac508ca193cd126704b002cf77c9747933d3dd07bbc45d961add20d03f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:19bfe73fd17dc90690d49daad604cf966d5b8e3126eeabb4c5faceccd9f52668- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU241020667
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Streichquartett C-Dur op. 76 Nr. 3 Hob. III:77 "Kaiserquartett": II. Poco adagio, cantabile · Machine-readable JSON-LD