ISRC QZFZ21904970
Verified recording
QZFZ21904970 is “Mailbox Message” by High John,
registered on the CopyrightChains blockchain with CopyrightID
0xcf570a94a767cb4890fd228c80279bca9e61fbcef5d8b910e6efb105eec213b5 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21904970.
Recording identifiers
- ISRC
- QZFZ21904970
- Title
- Mailbox Message
- Artist
- High John
- CopyrightID (CopyrightChains transaction hash)
0xcf570a94a767cb4890fd228c80279bca9e61fbcef5d8b910e6efb105eec213b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b4882e752208ed687522b511a7a0f5caaf850edccfd61ade22d0afe2f86e439a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ21904970
- Bitcoin block existence check
- https://blockstream.info/api/block/956302