ISRC GBLGL1045585
Verified recording
GBLGL1045585 is “The Threepenny Opera: Act I - The Ballad of Mack the Knife” by Kurt Weill,
registered on the CopyrightChains blockchain with CopyrightID
0x8a60b7c6a46db1350d063d47c055e9f37629e6648358e7f7fd4746b1bfd7be96 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/GBLGL1045585.
Recording identifiers
- ISRC
- GBLGL1045585
- Title
- The Threepenny Opera: Act I - The Ballad of Mack the Knife
- Artist
- Kurt Weill
- CopyrightID (CopyrightChains transaction hash)
0x8a60b7c6a46db1350d063d47c055e9f37629e6648358e7f7fd4746b1bfd7be96
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3718814a3fbe85ed965bbe86ab835b7c6718905e4db0a124c43a5ab18aa14c69- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1045585
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Threepenny Opera: Act I - The Ballad of Mack the Knife · Machine-readable JSON-LD