ISRC QZWDW2345096
Verified recording
QZWDW2345096 is “Círculo Cerrado” by K John,
registered on the CopyrightChains blockchain with CopyrightID
0x8a043122ff4a76464b37895d54e0f4766a3393831b1c7b5a11a2ffbeb7fcac43 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDW2345096.
Recording identifiers
- ISRC
- QZWDW2345096
- Title
- Círculo Cerrado
- Artist
- K John
- CopyrightID (CopyrightChains transaction hash)
0x8a043122ff4a76464b37895d54e0f4766a3393831b1c7b5a11a2ffbeb7fcac43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:e6039e0a44d837514e9c7c453734f04fe28b77ea95a2b4748c616a64a33e765e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDW2345096
- Bitcoin block existence check
- https://blockstream.info/api/block/953513