ISRC QMGR32071261
Verified recording
QMGR32071261 is “Donde Estás” by Nfx,
registered on the CopyrightChains blockchain with CopyrightID
0x1e743d8cd7407d2123c9e5084dacf5403e36cf9660c71b6a9ee5dc0081f8e665 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMGR32071261.
Recording identifiers
- ISRC
- QMGR32071261
- Title
- Donde Estás
- Artist
- Nfx
- CopyrightID (CopyrightChains transaction hash)
0x1e743d8cd7407d2123c9e5084dacf5403e36cf9660c71b6a9ee5dc0081f8e665
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:3b59fb7cb0bb8a8ffc7ce21e68f7beb6ece0de747ad1df33f128ce2ddbe6f3b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMGR32071261
- Bitcoin block existence check
- https://blockstream.info/api/block/960138