ISRC QZW9K2379427
Verified recording
QZW9K2379427 is “Doble Cara” by Petit El Chef,
registered on the CopyrightChains blockchain with CopyrightID
0x98379c4497f763dfeaa9fb2d81920a4b2903f2f448356de1df721e3a5638e25c and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9K2379427.
Recording identifiers
- ISRC
- QZW9K2379427
- Title
- Doble Cara
- Artist
- Petit El Chef
- CopyrightID (CopyrightChains transaction hash)
0x98379c4497f763dfeaa9fb2d81920a4b2903f2f448356de1df721e3a5638e25c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:b7b88bc57114b01d95668313848de6270bc95e7c515f89d3b93a5f9999aa440e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9K2379427
- Bitcoin block existence check
- https://blockstream.info/api/block/960207