ISRC QMPKX1609728
Verified recording
QMPKX1609728 is “Guillaume” by Victor Butzelaar,
registered on the CopyrightChains blockchain with CopyrightID
0xa5bd3f675f85c1af6fe7f837f7c14b3024bbb4de3f3e603ef14dfc2b2f7dfc1c and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMPKX1609728.
Recording identifiers
- ISRC
- QMPKX1609728
- Title
- Guillaume
- Artist
- Victor Butzelaar
- CopyrightID (CopyrightChains transaction hash)
0xa5bd3f675f85c1af6fe7f837f7c14b3024bbb4de3f3e603ef14dfc2b2f7dfc1c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:ea60e7bba3483e16f52d82bf21382261d48fe328ca8c12fc905d4da40505fbe2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMPKX1609728
- Bitcoin block existence check
- https://blockstream.info/api/block/960117