ISRC ES7890700715
Verified recording
ES7890700715 is “Ut queant laxis” by Francisco Guerrero,
registered on the CopyrightChains blockchain with CopyrightID
0xaab617a9ba2a46acc6ff86bd23236f78cae8e3c7906269c47fb079533d7062cc and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7890700715.
Recording identifiers
- ISRC
- ES7890700715
- Title
- Ut queant laxis
- Artist
- Francisco Guerrero
- CopyrightID (CopyrightChains transaction hash)
0xaab617a9ba2a46acc6ff86bd23236f78cae8e3c7906269c47fb079533d7062cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:10649568e661b9f7abcf02442705f876fd02f4fe659d9ca94d1d31a394be4251- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7890700715
- Bitcoin block existence check
- https://blockstream.info/api/block/960222