ISRC GBAYC9600749
Verified recording
GBAYC9600749 is “Clarinet Quintet in A Major, K. 581: II. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb19f9fcd6258c95c844b27397ad33befb349cf50d89bec8eeabdb41fe72bfa29 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9600749.
Recording identifiers
- ISRC
- GBAYC9600749
- Title
- Clarinet Quintet in A Major, K. 581: II. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb19f9fcd6258c95c844b27397ad33befb349cf50d89bec8eeabdb41fe72bfa29
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:cc519b111995aaaec0f268edf255c4e313d60a7aa4009dadd9fee7a652ec1d76- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9600749
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Clarinet Quintet in A Major, K. 581: II. Larghetto · Machine-readable JSON-LD