ISRC GBGRH1800005
Verified recording
GBGRH1800005 is “Clarinet Quintet in A Major, Op. 108, K. 581: II. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x601a8f5a7c682e0cb12010cccf5da819ad6c887403624f4a31aba5aa85081088 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/GBGRH1800005.
Recording identifiers
- ISRC
- GBGRH1800005
- Title
- Clarinet Quintet in A Major, Op. 108, K. 581: II. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x601a8f5a7c682e0cb12010cccf5da819ad6c887403624f4a31aba5aa85081088
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f6b06af3088bff97991f44829cb49996636b81a1b422786b80d41e98f42d30f2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGRH1800005
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Clarinet Quintet in A Major, Op. 108, K. 581: II. Larghetto · Machine-readable JSON-LD