ISRC QZK6J2216616
Verified recording
QZK6J2216616 is “Estrellita” by Wuicho kun,
registered on the CopyrightChains blockchain with CopyrightID
0x679635d8ac08d1cdae181e0a8ca81971ab5ba87e07478bec16a4c38510e2d9ef and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2216616.
Recording identifiers
- ISRC
- QZK6J2216616
- Title
- Estrellita
- Artist
- Wuicho kun
- CopyrightID (CopyrightChains transaction hash)
0x679635d8ac08d1cdae181e0a8ca81971ab5ba87e07478bec16a4c38510e2d9ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c3f53c156f4b1d2b630ab1fd154af2335895c2a84b73d75a84419720ae2a16e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2216616
- Bitcoin block existence check
- https://blockstream.info/api/block/957118