ISRC GBPCP2400013
Verified recording
GBPCP2400013 is “Clarinet Sonata No. 1, Op. 120 No. 1 (Version for Viola and Piano): III. Allegretto grazioso” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xf3699f98982b9472777038ffabff670dae23ce387e3764f195ae24cc017b9881 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/GBPCP2400013.
Recording identifiers
- ISRC
- GBPCP2400013
- Title
- Clarinet Sonata No. 1, Op. 120 No. 1 (Version for Viola and Piano): III. Allegretto grazioso
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xf3699f98982b9472777038ffabff670dae23ce387e3764f195ae24cc017b9881
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:92107db386d78cefc1372dd1ec7a2a513bde23052a75426dc49d76348715d4f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPCP2400013
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Clarinet Sonata No. 1, Op. 120 No. 1 (Version for Viola and Piano): III. Allegretto grazioso · Machine-readable JSON-LD