ISRC QZMER2209124
Verified recording
QZMER2209124 is “Rust” by Mark Grundhoefer,
registered on the CopyrightChains blockchain with CopyrightID
0x84dcad93be17e5159d263b92b9f1ac80bbcc87a1230c66cdf25be1eef34ee01c and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMER2209124.
Recording identifiers
- ISRC
- QZMER2209124
- Title
- Rust
- Artist
- Mark Grundhoefer
- CopyrightID (CopyrightChains transaction hash)
0x84dcad93be17e5159d263b92b9f1ac80bbcc87a1230c66cdf25be1eef34ee01c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:cd57688deb25d50fd7b4f4f1de9febecde1c3a78d61a76a74f29ea0b9629e47a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMER2209124
- Bitcoin block existence check
- https://blockstream.info/api/block/957120