ISRC QZFZ42268771
Verified recording
QZFZ42268771 is “twenty three” by CASS,
registered on the CopyrightChains blockchain with CopyrightID
0xe69ea9edd21f38356f3aaabcbf2a4e17eaa856253fffc7dcc4f44afa0af25af2 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42268771.
Recording identifiers
- ISRC
- QZFZ42268771
- Title
- twenty three
- Artist
- CASS
- CopyrightID (CopyrightChains transaction hash)
0xe69ea9edd21f38356f3aaabcbf2a4e17eaa856253fffc7dcc4f44afa0af25af2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:e4a9aad905916e584fb73377114b7ca066e246038f56642c81cf093975e6b7a1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42268771
- Bitcoin block existence check
- https://blockstream.info/api/block/956304