ISRC QZ9JZ1734534
Verified recording
QZ9JZ1734534 is “Tuff” by Holly-J,
registered on the CopyrightChains blockchain with CopyrightID
0x1b8ccbfac1454b23e4069486cb22b3016c110eb3fc033541af0d8aefa3e448ef and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9JZ1734534.
Recording identifiers
- ISRC
- QZ9JZ1734534
- Title
- Tuff
- Artist
- Holly-J
- CopyrightID (CopyrightChains transaction hash)
0x1b8ccbfac1454b23e4069486cb22b3016c110eb3fc033541af0d8aefa3e448ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:179ee159653023e79f3a30f2fa04eb634003aac518def9bf727e9f21babe307c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9JZ1734534
- Bitcoin block existence check
- https://blockstream.info/api/block/960473