ISRC QZK6L2185863
Verified recording
QZK6L2185863 is “Cos” by Laura Esparza I Carlos Esteban,
registered on the CopyrightChains blockchain with CopyrightID
0x74be236bfbb00fc1e89ae024a940c461b893a911ccf85dc7d97ae51f16f8f381 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2185863.
Recording identifiers
- ISRC
- QZK6L2185863
- Title
- Cos
- Artist
- Laura Esparza I Carlos Esteban
- CopyrightID (CopyrightChains transaction hash)
0x74be236bfbb00fc1e89ae024a940c461b893a911ccf85dc7d97ae51f16f8f381
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:65684e3895e83c8366e1fac13cc76c5f26f48e26ff7f15b08910bf378de93da8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2185863
- Bitcoin block existence check
- https://blockstream.info/api/block/960468