ISRC SEWDL0716607
Verified recording
SEWDL0716607 is “3 Duets for Clarinet and Bassoon, WoO 27 No. 1: I. Allegro (Arr. for Clarinet, Bassoon and Piano)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x7bd25713b29eb3e79862aefa0b7cc7a2005f211a1eaae66470c55ec4b62deba7 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0716607.
Recording identifiers
- ISRC
- SEWDL0716607
- Title
- 3 Duets for Clarinet and Bassoon, WoO 27 No. 1: I. Allegro (Arr. for Clarinet, Bassoon and Piano)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x7bd25713b29eb3e79862aefa0b7cc7a2005f211a1eaae66470c55ec4b62deba7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:9fd589313849ef17e5b42bc9edf0aaae37694ee44b9522d229618e809b6b26b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0716607
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: 3 Duets for Clarinet and Bassoon, WoO 27 No. 1: I. Allegro (Arr. for Clarinet, Bassoon and Piano) · Machine-readable JSON-LD