ISRC CZH401107774
Verified recording
CZH401107774 is “Triple Concerto for Viloin, Cello & Piano in C Major, Op. 56: III. Rondo alla polacca” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xa1d6c0d07767af20118c4c7ec181f6e78690c121b887263158eb9b412add9cb1 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401107774.
Recording identifiers
- ISRC
- CZH401107774
- Title
- Triple Concerto for Viloin, Cello & Piano in C Major, Op. 56: III. Rondo alla polacca
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xa1d6c0d07767af20118c4c7ec181f6e78690c121b887263158eb9b412add9cb1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:33dedfa4d687b873e30d5bb0d48cdab71299f176f96180713c4b5fc8fcfe0b30- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401107774
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Triple Concerto for Viloin, Cello & Piano in C Major, Op. 56: III. Rondo alla polacca · Machine-readable JSON-LD