ISRC USSM10404556
Verified recording
USSM10404556 is “Eugene Onegin (Lyrical scenes in three acts) (Act 1): Quartet; Lensky: "Mesdames! I ventuered..."” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x1d7d60a2924d666b3eaff658e2711f93b438e92c823f6387bee323346d559873 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10404556.
Recording identifiers
- ISRC
- USSM10404556
- Title
- Eugene Onegin (Lyrical scenes in three acts) (Act 1): Quartet; Lensky: "Mesdames! I ventuered..."
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x1d7d60a2924d666b3eaff658e2711f93b438e92c823f6387bee323346d559873
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:aa99ae37ddbf570fe4a9b66a9e204235391dcc2be0d49bf8c518610719d74e08- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10404556
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Eugene Onegin (Lyrical scenes in three acts) (Act 1): Quartet; Lensky: "Mesdames! I ventuered..." · Machine-readable JSON-LD