ISRC QZFZ32380733
Verified recording
QZFZ32380733 is “Changes” by Stef de Haan,
registered on the CopyrightChains blockchain with CopyrightID
0x869630d9908991d350aaabd0599ce35ada32830a28444264df3783d6d9bb3ca3 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32380733.
Recording identifiers
- ISRC
- QZFZ32380733
- Title
- Changes
- Artist
- Stef de Haan
- CopyrightID (CopyrightChains transaction hash)
0x869630d9908991d350aaabd0599ce35ada32830a28444264df3783d6d9bb3ca3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2e29a6fa8313dfab724fbe5fd5355beccb0710ed433d8c2073595b2b0b0f50c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32380733
- Bitcoin block existence check
- https://blockstream.info/api/block/956304