ISRC DEF057930923
Verified recording
DEF057930923 is “Lulu, Act II: Wenn deine beiden grossen Kinderaugen – Durch dieses Kleid” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0x62a4bde7cc309b5ef18d31d45fff613e11d71f12c212a92382daa88edc42e40b and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930923.
Recording identifiers
- ISRC
- DEF057930923
- Title
- Lulu, Act II: Wenn deine beiden grossen Kinderaugen – Durch dieses Kleid
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0x62a4bde7cc309b5ef18d31d45fff613e11d71f12c212a92382daa88edc42e40b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:8ee96a8403b6f84bc4b3652f4324cb61fc247480584ceef901ba097617885359- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930923
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Lulu, Act II: Wenn deine beiden grossen Kinderaugen – Durch dieses Kleid · Machine-readable JSON-LD