ISRC QZS7J2438057
Verified recording
QZS7J2438057 is “Harder Than Ever” by JR Writer,
registered on the CopyrightChains blockchain with CopyrightID
0x81af8c2a8003bf80ff8689d645162b846047d9d34672449b72841cad2f1c721c and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS7J2438057.
Recording identifiers
- ISRC
- QZS7J2438057
- Title
- Harder Than Ever
- Artist
- JR Writer
- CopyrightID (CopyrightChains transaction hash)
0x81af8c2a8003bf80ff8689d645162b846047d9d34672449b72841cad2f1c721c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:bf4225383b308a4be1405ebd4e7777779304cd51fa6738271b7cda0d46c9d1c1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZS7J2438057
- Bitcoin block existence check
- https://blockstream.info/api/block/960138