ISRC QZNWT2059913
Verified recording
QZNWT2059913 is “Birmingham” by Mark Grundhoefer,
registered on the CopyrightChains blockchain with CopyrightID
0x779aae24f485a110fec4f5c2aad2d4800af8a213f657e2696ebb37ca1e44bade 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/QZNWT2059913.
Recording identifiers
- ISRC
- QZNWT2059913
- Title
- Birmingham
- Artist
- Mark Grundhoefer
- CopyrightID (CopyrightChains transaction hash)
0x779aae24f485a110fec4f5c2aad2d4800af8a213f657e2696ebb37ca1e44bade
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:da02631f8a9a72533bbdad80c5b4bea269d7dad37d194b6ebc89df272fcc45c2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWT2059913
- Bitcoin block existence check
- https://blockstream.info/api/block/956302