ISRC QZ8251822627
Verified recording
QZ8251822627 is “Weightless” by Justus Rümenapp,
registered on the CopyrightChains blockchain with CopyrightID
0xc0090efe072fbda1813ea57973a2e64dbd48fa7cb7540664644bc61d7cd9e888 and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ8251822627.
Recording identifiers
- ISRC
- QZ8251822627
- Title
- Weightless
- Artist
- Justus Rümenapp
- CopyrightID (CopyrightChains transaction hash)
0xc0090efe072fbda1813ea57973a2e64dbd48fa7cb7540664644bc61d7cd9e888
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:c9256db9fe5de4a4cc060e6e4c29e3bf74184b00a13251226f342f7d724dfdf3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ8251822627
- Bitcoin block existence check
- https://blockstream.info/api/block/960296