ISRC DEF057930912
Verified recording
DEF057930912 is “Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre” by Alban Berg,
registered on the CopyrightChains blockchain with CopyrightID
0x6a0f32c2067a20b8daa6603b66a7b9a69ca654cd0ea0af984d8873abe425e239 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/DEF057930912.
Recording identifiers
- ISRC
- DEF057930912
- Title
- Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre
- Artist
- Alban Berg
- CopyrightID (CopyrightChains transaction hash)
0x6a0f32c2067a20b8daa6603b66a7b9a69ca654cd0ea0af984d8873abe425e239
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9213d5f7ba9d27bf7d7a31d1840b6c292c46132064fd6502901dbfd66fa578dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057930912
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Lulu, Act I: Was tut denn Ihr Vater da? Sonata. Wenn ich ihr Mann wäre · Machine-readable JSON-LD