ISRC USSM10404568
Verified recording
USSM10404568 is “Eugene Onegin, Op. 24, Act II: Entr'acte and Waltz with chorus” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xc0bd8f47503ab1a5b8c403d6ba0d905cebf110a9962a19cb57c452047b781397 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10404568.
Recording identifiers
- ISRC
- USSM10404568
- Title
- Eugene Onegin, Op. 24, Act II: Entr'acte and Waltz with chorus
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xc0bd8f47503ab1a5b8c403d6ba0d905cebf110a9962a19cb57c452047b781397
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:9300abc95a5a41127304639219105c11dbfbf65332804d017fa05cf648b8907b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10404568
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Eugene Onegin, Op. 24, Act II: Entr'acte and Waltz with chorus · Machine-readable JSON-LD