ISRC DEU921897408
Verified recording
DEU921897408 is “Wozzeck, Op. 7, Act II: Guten tag, Franz” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0x4b837b077340446c96319ba7611997b6f56dbf022b7468fdd53e5b0a9f745f2a and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921897408.
Recording identifiers
- ISRC
- DEU921897408
- Title
- Wozzeck, Op. 7, Act II: Guten tag, Franz
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0x4b837b077340446c96319ba7611997b6f56dbf022b7468fdd53e5b0a9f745f2a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:96fdd179ef43382497ea2bf6c020cd30bc16ea40224edb9f95ef167e17e40cc6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU921897408
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Wozzeck, Op. 7, Act II: Guten tag, Franz · Machine-readable JSON-LD