ISRC QZWFF2309262
Verified recording
QZWFF2309262 is “Düsseldorf (Freestyle)” by Spbarz,
registered on the CopyrightChains blockchain with CopyrightID
0x802ad62a714bd85b3b51a15bb7226cfc6e2b88f13261db0bec819cffec48510f and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFF2309262.
Recording identifiers
- ISRC
- QZWFF2309262
- Title
- Düsseldorf (Freestyle)
- Artist
- Spbarz
- CopyrightID (CopyrightChains transaction hash)
0x802ad62a714bd85b3b51a15bb7226cfc6e2b88f13261db0bec819cffec48510f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:5bd1f706101c1881172e4ed990b2c12dac3e20e0258e8602c92c92d845e4db7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFF2309262
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Düsseldorf (Freestyle) · Machine-readable JSON-LD