ISRC DEF058730902
Verified recording
DEF058730902 is “Wozzeck, Op. 7, Act I Scene 1: The Captain's Room. Langsam, Wozzeck, langsam!” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0x2d8a3d9b6aa21173b11b1d5bb44f685df5a597e87ecfbb027538cd0bfb102ceb 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/DEF058730902.
Recording identifiers
- ISRC
- DEF058730902
- Title
- Wozzeck, Op. 7, Act I Scene 1: The Captain's Room. Langsam, Wozzeck, langsam!
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0x2d8a3d9b6aa21173b11b1d5bb44f685df5a597e87ecfbb027538cd0bfb102ceb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:961979f0ca78fa773f749094f56b7388e93748ffd30dfd371f557bda5b6a791a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730902
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Wozzeck, Op. 7, Act I Scene 1: The Captain's Room. Langsam, Wozzeck, langsam! · Machine-readable JSON-LD