ISRC QZ4JJ1632939
Verified recording
QZ4JJ1632939 is “No Sleep” by Defunk,
registered on the CopyrightChains blockchain with CopyrightID
0x132783278867ca05ee9d620c179511588bd53644410e43eaa2d5b44a7cc645c4 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1632939.
Recording identifiers
- ISRC
- QZ4JJ1632939
- Title
- No Sleep
- Artist
- Defunk
- CopyrightID (CopyrightChains transaction hash)
0x132783278867ca05ee9d620c179511588bd53644410e43eaa2d5b44a7cc645c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:39d314c9c8ff4a406415c42fdbf76a4445886cd29e8cb266b3b12b835b1f2cd0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1632939
- Bitcoin block existence check
- https://blockstream.info/api/block/960258