ISRC KRUM71800176
Verified recording
KRUM71800176 is “Duet for Viola and Cello, WoO 32 "Eyeglass Duo": I. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x575b10794b9a89c68131798ed173bcf819a9de73d3df7b267fc65cffba77150c and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRUM71800176.
Recording identifiers
- ISRC
- KRUM71800176
- Title
- Duet for Viola and Cello, WoO 32 "Eyeglass Duo": I. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x575b10794b9a89c68131798ed173bcf819a9de73d3df7b267fc65cffba77150c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:def1efd7c1a8dd92a5d3d916611a6d92b0b29f27eb7618cd25395503b6b6db39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRUM71800176
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Duet for Viola and Cello, WoO 32 "Eyeglass Duo": I. Allegro · Machine-readable JSON-LD