ISRC DEN961530116
Verified recording
DEN961530116 is “Variations on a Theme of Chopin, Op. 22: Variation No. 17 Grave” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xe7027ca35669d8ebdc90583128bc3ecb6eefcba9a78837251e73726385168621 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961530116.
Recording identifiers
- ISRC
- DEN961530116
- Title
- Variations on a Theme of Chopin, Op. 22: Variation No. 17 Grave
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xe7027ca35669d8ebdc90583128bc3ecb6eefcba9a78837251e73726385168621
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:e73b4ac103ae54905a7114fb6f701c927149a81726c8e63b502b141fe775e31f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961530116
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Variations on a Theme of Chopin, Op. 22: Variation No. 17 Grave · Machine-readable JSON-LD