ISRC QZK6L2401760
Verified recording
QZK6L2401760 is “Cuatrocientas” by Sofos,
registered on the CopyrightChains blockchain with CopyrightID
0xd66b7876c5478c7206d6457559f990289e609531f923b75ae9d3e66f4d0bfae8 and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2401760.
Recording identifiers
- ISRC
- QZK6L2401760
- Title
- Cuatrocientas
- Artist
- Sofos
- CopyrightID (CopyrightChains transaction hash)
0xd66b7876c5478c7206d6457559f990289e609531f923b75ae9d3e66f4d0bfae8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:cb060a858e64d189dbd6321222c3d322503667731d68fe681c53e05edf486988- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2401760
- Bitcoin block existence check
- https://blockstream.info/api/block/957819