ISRC USSM12304234
Verified recording
USSM12304234 is “What Is A Youth? (From "Romeo and Juliet")” by Jonas Kaufmann,
registered on the CopyrightChains blockchain with CopyrightID
0x2a12d0eca1eface5254bac81b726cff8dbee8a929025c257d15ee3a5dd50daf9 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/USSM12304234.
Recording identifiers
- ISRC
- USSM12304234
- Title
- What Is A Youth? (From "Romeo and Juliet")
- Artist
- Jonas Kaufmann
- CopyrightID (CopyrightChains transaction hash)
0x2a12d0eca1eface5254bac81b726cff8dbee8a929025c257d15ee3a5dd50daf9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8b2f207c036ddda18a5ce04aa45dabf48f76e396879caff7dc028b893ae678ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12304234
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: What Is A Youth? (From "Romeo and Juliet") · Machine-readable JSON-LD