ISRC QZNWR2164473

Verified recording

QZNWR2164473 is “Frère Jacques” by Andrew Holdsworth, registered on the CopyrightChains blockchain with CopyrightID 0x62a380da76c4026fefca8484b21636c14217c4c1054119a3ff69a69914c01231 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2164473.

Recording identifiers

ISRC
QZNWR2164473
Title
Frère Jacques
Artist
Andrew Holdsworth
CopyrightID (CopyrightChains transaction hash)
0x62a380da76c4026fefca8484b21636c14217c4c1054119a3ff69a69914c01231

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:e97c62dbaebf8963ea386a531855a72f018a32c734b51999c94bf8a875d495e3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2164473
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Frère Jacques · Machine-readable JSON-LD