ISRC QZWDE2498748
Verified recording
QZWDE2498748 is “Preocupado” by C7,
registered on the CopyrightChains blockchain with CopyrightID
0xf8f90c5cb6fa14a1c84da216ef200ecfd4041bc2ebce048c8917a18627dbcc4e and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDE2498748.
Recording identifiers
- ISRC
- QZWDE2498748
- Title
- Preocupado
- Artist
- C7
- CopyrightID (CopyrightChains transaction hash)
0xf8f90c5cb6fa14a1c84da216ef200ecfd4041bc2ebce048c8917a18627dbcc4e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:50a86248e60a61c5eb0b9b7d567591f63a379aaae7e393387c59ad0038088176- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDE2498748
- Bitcoin block existence check
- https://blockstream.info/api/block/960170