ISRC US6R21495260
Verified recording
US6R21495260 is “Rhapsody on a Theme of Paganini, Op. 43: Variation 18. Andante cantabile” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xf09b0fae05abb3b58b61b9fd6a80d882a20140019bb919b67f4090866b8878ce 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/US6R21495260.
Recording identifiers
- ISRC
- US6R21495260
- Title
- Rhapsody on a Theme of Paganini, Op. 43: Variation 18. Andante cantabile
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xf09b0fae05abb3b58b61b9fd6a80d882a20140019bb919b67f4090866b8878ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ef69d2c794d2cde2c7ee8b78121cc52711d3d87c3f17649d24d118e29d3fe586- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495260
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Rhapsody on a Theme of Paganini, Op. 43: Variation 18. Andante cantabile · Machine-readable JSON-LD