ISRC DEF057502930
Verified recording
DEF057502930 is “Sorochinsky Fair: Hopak (Arr. Rachmaninoff for Violin & Piano)” by Modest Mussorgsky,
registered on the CopyrightChains blockchain with CopyrightID
0xa50aa4b361b8cbd631afb126f60303ff1b9ca12947d0edcbf0b8aae256caf37b 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/DEF057502930.
Recording identifiers
- ISRC
- DEF057502930
- Title
- Sorochinsky Fair: Hopak (Arr. Rachmaninoff for Violin & Piano)
- Artist
- Modest Mussorgsky
- CopyrightID (CopyrightChains transaction hash)
0xa50aa4b361b8cbd631afb126f60303ff1b9ca12947d0edcbf0b8aae256caf37b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fa5220e22becbc638535417d8370cef00e47e18bc283119bce1647f355d80bd8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057502930
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sorochinsky Fair: Hopak (Arr. Rachmaninoff for Violin & Piano) · Machine-readable JSON-LD