ISRC USZDG0700293
Verified recording
USZDG0700293 is “Fidelio, Op. 72: XI. Jetzt, Alter (Duet)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe81453bd9117d0011052157ae973c4f51b3b9ddbf78b5d086e95ea08d82fb829 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0700293.
Recording identifiers
- ISRC
- USZDG0700293
- Title
- Fidelio, Op. 72: XI. Jetzt, Alter (Duet)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe81453bd9117d0011052157ae973c4f51b3b9ddbf78b5d086e95ea08d82fb829
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:2b1f7a4cab847c694b0454179cd6a1204e1507b4880f49a789630f49f0b00665- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZDG0700293
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Fidelio, Op. 72: XI. Jetzt, Alter (Duet) · Machine-readable JSON-LD