ISRC QZTB62251287
Verified recording
QZTB62251287 is “r9k” by h4rtbrkr,
registered on the CopyrightChains blockchain with CopyrightID
0xaa4ab4853c96a107c1cd8c30470f5a0ce94c165a222d63f0a278fc94ad32e967 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62251287.
Recording identifiers
- ISRC
- QZTB62251287
- Title
- r9k
- Artist
- h4rtbrkr
- CopyrightID (CopyrightChains transaction hash)
0xaa4ab4853c96a107c1cd8c30470f5a0ce94c165a222d63f0a278fc94ad32e967
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:9aa3d445a7952a6d9799dd9babf5051c7e2969aff34dc8ed3a4ab146116f4f39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62251287
- Bitcoin block existence check
- https://blockstream.info/api/block/953528