ISRC QZWFK2305678
Verified recording
QZWFK2305678 is “99 Problemas” by Guxo,
registered on the CopyrightChains blockchain with CopyrightID
0x5fbd467e5f049c5bcfbdeb0b37698f7a8ffc40cfafe42ab1554ca18d8301b922 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFK2305678.
Recording identifiers
- ISRC
- QZWFK2305678
- Title
- 99 Problemas
- Artist
- Guxo
- CopyrightID (CopyrightChains transaction hash)
0x5fbd467e5f049c5bcfbdeb0b37698f7a8ffc40cfafe42ab1554ca18d8301b922
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:3417bf93d855cbe04de62b70ea7690a6edaeb7ff08216a137649742a38362d6e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFK2305678
- Bitcoin block existence check
- https://blockstream.info/api/block/959159