ISRC DEF057930914
Verified recording
DEF057930914 is “Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0xcc890002111b6a9ffb11b4f7e9a9e69c09eafe831d67d943ff90039b1061c3ba and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930914.
Recording identifiers
- ISRC
- DEF057930914
- Title
- Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0xcc890002111b6a9ffb11b4f7e9a9e69c09eafe831d67d943ff90039b1061c3ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a444bd6c1ea4170f051a63dc827a9709f945a777417444060f2037cd50bf0dc0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930914
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Lulu, Act I: Über die liesse sich freilich – Das hättest du dir besser erspart · Machine-readable JSON-LD