ISRC QZES71923853
Verified recording
QZES71923853 is “La muchacha de los ojos tristes” by Grupo Marca Registrada,
registered on the CopyrightChains blockchain with CopyrightID
0x9cae96c98dc043f641237e0cb36607a2334407f85427abbe609a7b3d23ed5ab2 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES71923853.
Recording identifiers
- ISRC
- QZES71923853
- Title
- La muchacha de los ojos tristes
- Artist
- Grupo Marca Registrada
- CopyrightID (CopyrightChains transaction hash)
0x9cae96c98dc043f641237e0cb36607a2334407f85427abbe609a7b3d23ed5ab2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:4229f25f33390a337b67f1ebe7018d91b4ecbe0da69e8fbc4c843f80f7e19a03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES71923853
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: La muchacha de los ojos tristes · Machine-readable JSON-LD