ISRC QZMEN2167244
Verified recording
QZMEN2167244 is “La Cartera” by Calka,
registered on the CopyrightChains blockchain with CopyrightID
0x9aa2915dea04937faf785d74fb4b548cbb26eca59ce0dd1d0759e9d71b51a229 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2167244.
Recording identifiers
- ISRC
- QZMEN2167244
- Title
- La Cartera
- Artist
- Calka
- CopyrightID (CopyrightChains transaction hash)
0x9aa2915dea04937faf785d74fb4b548cbb26eca59ce0dd1d0759e9d71b51a229
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:d7dbfbf58abdf3b93b2e285523c9413f3e9e167c98c310fc70dcf6deceec3785- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2167244
- Bitcoin block existence check
- https://blockstream.info/api/block/960108