ISRC USB8U1612661
Verified recording
USB8U1612661 is “Clarinet Quintet in A Major, K. 581: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x5529fe138682ffe5937d0b9a333ca1ee6ce8ff694ce56dc018bb17c7a557c6a9 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612661.
Recording identifiers
- ISRC
- USB8U1612661
- Title
- Clarinet Quintet in A Major, K. 581: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x5529fe138682ffe5937d0b9a333ca1ee6ce8ff694ce56dc018bb17c7a557c6a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:51097ab060c2b182bcdb31799ee1ab3a2f54da28b41b0be65f9cae6cbb3128b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612661
- Bitcoin block existence check
- https://blockstream.info/api/block/960463
Full record
Track page: Clarinet Quintet in A Major, K. 581: I. Allegro · Machine-readable JSON-LD