ISRC QMEU32100229
Verified recording
QMEU32100229 is “Mack the Knife” by Louis Armstrong,
registered on the CopyrightChains blockchain with CopyrightID
0x84f56d9bf3ee2572722b2ce2c37412201ec1206fe1a7b5ebf2f324876da2c5b4 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMEU32100229.
Recording identifiers
- ISRC
- QMEU32100229
- Title
- Mack the Knife
- Artist
- Louis Armstrong
- CopyrightID (CopyrightChains transaction hash)
0x84f56d9bf3ee2572722b2ce2c37412201ec1206fe1a7b5ebf2f324876da2c5b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:17bb05f277a1c1ff799a7a35afc3851598059cca87b87bdbcf24110b162797ee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMEU32100229
- Bitcoin block existence check
- https://blockstream.info/api/block/960348