ISRC QZ4JJ1839539
Verified recording
QZ4JJ1839539 is “Heavyweight” by Nvscvr,
registered on the CopyrightChains blockchain with CopyrightID
0xecd4d3c00afc9aea64a54fcd532775831bd219d4f93deeec85d76f90b3183d3d and independently timestamped
in Bitcoin block 953536 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1839539.
Recording identifiers
- ISRC
- QZ4JJ1839539
- Title
- Heavyweight
- Artist
- Nvscvr
- CopyrightID (CopyrightChains transaction hash)
0xecd4d3c00afc9aea64a54fcd532775831bd219d4f93deeec85d76f90b3183d3d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T17:25:41+00:00
- Bitcoin block
- 953536
- Canonical record hash
sha256:cd93d84c934a0d36b0aa201018bc363dd7e48af9f0d84b8784232323830f9d9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1839539
- Bitcoin block existence check
- https://blockstream.info/api/block/953536