ISRC USBC19606238
Verified recording
USBC19606238 is “Eugene Onegin: Polonaise” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x49c06514d26a560d4c27b54c07c00b147a3ee6da111e08c917bc8be10c8829ad and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19606238.
Recording identifiers
- ISRC
- USBC19606238
- Title
- Eugene Onegin: Polonaise
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x49c06514d26a560d4c27b54c07c00b147a3ee6da111e08c917bc8be10c8829ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:cf1c0fdf856cb785cee060775ad9aefad0420b1a58ef61f76c51fdbb2cf18540- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19606238
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: Eugene Onegin: Polonaise · Machine-readable JSON-LD