ISRC QZFZ42109886
Verified recording
QZFZ42109886 is “Devil Keep Calling” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0x6ab4dea898b75ebc5528e875e8461ca2944a94a8a40daaf30852e2c12934030c and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42109886.
Recording identifiers
- ISRC
- QZFZ42109886
- Title
- Devil Keep Calling
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0x6ab4dea898b75ebc5528e875e8461ca2944a94a8a40daaf30852e2c12934030c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:eff73bf698f099d95eba1b85bcb4b4758b97950d7ae0b000b05c71c4ab1c0c0d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42109886
- Bitcoin block existence check
- https://blockstream.info/api/block/960500