ISRC CH0041601910
Verified recording
CH0041601910 is “Duet for Clarinet & Bassoon in C Major, WoO 27 No. 1: I. Allegro commodo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2fd0690c73c15cc2d081d4fc6e8dc5f9d3da30b41cc1e54382a4034d69749dd2 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0041601910.
Recording identifiers
- ISRC
- CH0041601910
- Title
- Duet for Clarinet & Bassoon in C Major, WoO 27 No. 1: I. Allegro commodo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2fd0690c73c15cc2d081d4fc6e8dc5f9d3da30b41cc1e54382a4034d69749dd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:a784e8763661c704365acc489253b08930d5082fb833f074964d233ce8fa4bb9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0041601910
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Duet for Clarinet & Bassoon in C Major, WoO 27 No. 1: I. Allegro commodo · Machine-readable JSON-LD