ISRC USSM10404557
Verified recording
USSM10404557 is “Eugene Onegin (Lyrical scenes in three acts) (Act 1): Lensky: "How happy, how happy I am..."” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xf0fad741f63deb2f1134f61563a28ac9c9b5414104f82d7370f7d9f7332241a8 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10404557.
Recording identifiers
- ISRC
- USSM10404557
- Title
- Eugene Onegin (Lyrical scenes in three acts) (Act 1): Lensky: "How happy, how happy I am..."
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xf0fad741f63deb2f1134f61563a28ac9c9b5414104f82d7370f7d9f7332241a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:ed70e1dcb1599f063792cefb8a9ae2c0d8adb07770a1a022415f28a0f3166188- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10404557
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Eugene Onegin (Lyrical scenes in three acts) (Act 1): Lensky: "How happy, how happy I am..." · Machine-readable JSON-LD