ISRC USA560679454
Verified recording
USA560679454 is “Quartet No. 1 for Bassoon & Strings, Op. 73: I. Allegro spirituoso” by Klaus Thunemann,
registered on the CopyrightChains blockchain with CopyrightID
0x3916c13ca17bc1a6098a7e338fa5d030a3ae29e34fdb5a5f2a8d5d22cb3cbd77 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/USA560679454.
Recording identifiers
- ISRC
- USA560679454
- Title
- Quartet No. 1 for Bassoon & Strings, Op. 73: I. Allegro spirituoso
- Artist
- Klaus Thunemann
- CopyrightID (CopyrightChains transaction hash)
0x3916c13ca17bc1a6098a7e338fa5d030a3ae29e34fdb5a5f2a8d5d22cb3cbd77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:641be78e848b740320dc6de65d5fa6595bd54ba1cefbf91ea3b2004a18f14ee3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560679454
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Quartet No. 1 for Bassoon & Strings, Op. 73: I. Allegro spirituoso · Machine-readable JSON-LD