ISRC DEF057930913
Verified recording
DEF057930913 is “Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0xba92152544cd8171b3f1fd32b58975eb4d5d3ee6cac91094034a8f80e0697a90 and independently timestamped
in Bitcoin block 957124 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930913.
Recording identifiers
- ISRC
- DEF057930913
- Title
- Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0xba92152544cd8171b3f1fd32b58975eb4d5d3ee6cac91094034a8f80e0697a90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:53:27+00:00
- Bitcoin block
- 957124
- Canonical record hash
sha256:de3af25acd08cc73cd2dfb6ed8f33198805c637f428a8a631887fe9a567f4a7d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930913
- Bitcoin block existence check
- https://blockstream.info/api/block/957124
Full record
Track page: Lulu, Act I: Ich darf mich jetzt hier nicht sehen lassen · Machine-readable JSON-LD