ISRC QZ57A1904110
Verified recording
QZ57A1904110 is “Substitute” by Queen Key,
registered on the CopyrightChains blockchain with CopyrightID
0xf91dfb36b07f5ae9150ccaa225baf6ed744ce1b4387d63ff3e0838a62afa3c49 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57A1904110.
Recording identifiers
- ISRC
- QZ57A1904110
- Title
- Substitute
- Artist
- Queen Key
- CopyrightID (CopyrightChains transaction hash)
0xf91dfb36b07f5ae9150ccaa225baf6ed744ce1b4387d63ff3e0838a62afa3c49
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b8128c227832c9664ec2825d6f8e6c2f1dbdc89ebe11033c2ea40e02f339aaa4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ57A1904110
- Bitcoin block existence check
- https://blockstream.info/api/block/956304