ISRC QZK6N1994717
Verified recording
QZK6N1994717 is “Doubt” by Justus Rümenapp,
registered on the CopyrightChains blockchain with CopyrightID
0x35be791b4278737908ab14dc7e36178622f5768fa5604abca7776bccc17e3f5a and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N1994717.
Recording identifiers
- ISRC
- QZK6N1994717
- Title
- Doubt
- Artist
- Justus Rümenapp
- CopyrightID (CopyrightChains transaction hash)
0x35be791b4278737908ab14dc7e36178622f5768fa5604abca7776bccc17e3f5a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:db7cbb675e03f0915ed3978d3bdd40b0493a93eed10ed0267dd9f0e987ff7650- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N1994717
- Bitcoin block existence check
- https://blockstream.info/api/block/960138