ISRC QMDA72418829
Verified recording
QMDA72418829 is “Contraria” by Los G4,
registered on the CopyrightChains blockchain with CopyrightID
0xc9a7ac411711395571f96954a0783d8638827009424369ac65c89a68c4d5f87b and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72418829.
Recording identifiers
- ISRC
- QMDA72418829
- Title
- Contraria
- Artist
- Los G4
- CopyrightID (CopyrightChains transaction hash)
0xc9a7ac411711395571f96954a0783d8638827009424369ac65c89a68c4d5f87b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:c93fdeabe542a209929c3b7c37cb8526b1d1bc88da319c898fb912dfb8d608ad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72418829
- Bitcoin block existence check
- https://blockstream.info/api/block/960247