ISRC QZFZ71993198
Verified recording
QZFZ71993198 is “Test Tube Dro” by Graymatter,
registered on the CopyrightChains blockchain with CopyrightID
0x943cda304f683daa7717ea50ffb0ad86b064ef104a2d2bcabbe5beb690302558 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ71993198.
Recording identifiers
- ISRC
- QZFZ71993198
- Title
- Test Tube Dro
- Artist
- Graymatter
- CopyrightID (CopyrightChains transaction hash)
0x943cda304f683daa7717ea50ffb0ad86b064ef104a2d2bcabbe5beb690302558
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:da292886b175ba1cdfb11ed6c1a77b66e9b7601abec4ce98f8bef381edc45d85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ71993198
- Bitcoin block existence check
- https://blockstream.info/api/block/960354