ISRC QZTPX2257491
Verified recording
QZTPX2257491 is “Sin Nada” by Alex Fer,
registered on the CopyrightChains blockchain with CopyrightID
0xf89421574d1be17288beb6f53e10c69ddfcd5f0722d3cb389d58a3494290fe0a and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2257491.
Recording identifiers
- ISRC
- QZTPX2257491
- Title
- Sin Nada
- Artist
- Alex Fer
- CopyrightID (CopyrightChains transaction hash)
0xf89421574d1be17288beb6f53e10c69ddfcd5f0722d3cb389d58a3494290fe0a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:fc345cdd07d270a4b0284dbc18172132165a546d6eca4725f525d250ed465872- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2257491
- Bitcoin block existence check
- https://blockstream.info/api/block/953515