ISRC DEF058731125
Verified recording
DEF058731125 is “Eugene Onegin, Op. 24, TH. 5 / Act II: (Scene 1) Entr'acte and Waltz With Chorus. "Vot tak syurpriz!"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x560cb9b2490628b12d053db96132d23a350de8ac2d911421862143d7eee47773 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058731125.
Recording identifiers
- ISRC
- DEF058731125
- Title
- Eugene Onegin, Op. 24, TH. 5 / Act II: (Scene 1) Entr'acte and Waltz With Chorus. "Vot tak syurpriz!"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x560cb9b2490628b12d053db96132d23a350de8ac2d911421862143d7eee47773
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d849438358df59b162eed81ce99d789a601350a115e61c1ce94b97721bde426f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058731125
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Eugene Onegin, Op. 24, TH. 5 / Act II: (Scene 1) Entr'acte and Waltz With Chorus. "Vot tak syurpriz!" · Machine-readable JSON-LD