ISRC QZMER2209125
Verified recording
QZMER2209125 is “The Horn” by Mark Grundhoefer,
registered on the CopyrightChains blockchain with CopyrightID
0x5d5f1383d020bf34e09ef2354984f5d23556c2c49d037093e91594fe367ed0f8 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMER2209125.
Recording identifiers
- ISRC
- QZMER2209125
- Title
- The Horn
- Artist
- Mark Grundhoefer
- CopyrightID (CopyrightChains transaction hash)
0x5d5f1383d020bf34e09ef2354984f5d23556c2c49d037093e91594fe367ed0f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:e4d59b5ebf7192b880a890e19f958a84c740cc8fc3365eed68f9f0ed08fa0892- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMER2209125
- Bitcoin block existence check
- https://blockstream.info/api/block/960317