ISRC GBF076310224
Verified recording
GBF076310224 is “Clarinet Quintet in A Major, K. 581: IV. Allegretto con variazioni” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x05bc9bcddd7498b5c7b049e5c2df274fa53b11f7ec1d6ffe3353447f5ced96cd and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076310224.
Recording identifiers
- ISRC
- GBF076310224
- Title
- Clarinet Quintet in A Major, K. 581: IV. Allegretto con variazioni
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x05bc9bcddd7498b5c7b049e5c2df274fa53b11f7ec1d6ffe3353447f5ced96cd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:d05901f297480df52c1714784cc6a6d175c7078b38ec57d519266b0c1cd60d2c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076310224
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: Clarinet Quintet in A Major, K. 581: IV. Allegretto con variazioni · Machine-readable JSON-LD