ISRC QMZ621111608
Verified recording
QMZ621111608 is “Xerxes” by John Mackey,
registered on the CopyrightChains blockchain with CopyrightID
0xdf3c2f374d00eceb6a5e329ba56a0f5193ef83ef77dd783a7ed8939fdff345f8 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/QMZ621111608.
Recording identifiers
- ISRC
- QMZ621111608
- Title
- Xerxes
- Artist
- John Mackey
- CopyrightID (CopyrightChains transaction hash)
0xdf3c2f374d00eceb6a5e329ba56a0f5193ef83ef77dd783a7ed8939fdff345f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:417233acdc4da65dfbcc2de34d4adf1e1ec5fe7d09a1b152201a6be854bc7ddb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621111608
- Bitcoin block existence check
- https://blockstream.info/api/block/957118