ISRC QZFZ42236145
Verified recording
QZFZ42236145 is “speechless - Radio Edit” by Dirty Brothers,
registered on the CopyrightChains blockchain with CopyrightID
0x894ff290b14daee334fa00375e2a7685f0fda7d9c12f30db6b0580c2a01d79b5 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42236145.
Recording identifiers
- ISRC
- QZFZ42236145
- Title
- speechless - Radio Edit
- Artist
- Dirty Brothers
- CopyrightID (CopyrightChains transaction hash)
0x894ff290b14daee334fa00375e2a7685f0fda7d9c12f30db6b0580c2a01d79b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:3713850a3e06b12cfb60cc5e3168a330cbed4639fd36b18624dd60f7ae0778fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42236145
- Bitcoin block existence check
- https://blockstream.info/api/block/960376
Full record
Track page: speechless - Radio Edit · Machine-readable JSON-LD