ISRC QZNJX2048163
Verified recording
QZNJX2048163 is “Hino 21 - Não Mais Oprimidos Seremos” by Douglas Alves,
registered on the CopyrightChains blockchain with CopyrightID
0x7f273f057f55fbf5c332ed0c4c1fdaf98359a71bc93bafb49df13bdb8253c308 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2048163.
Recording identifiers
- ISRC
- QZNJX2048163
- Title
- Hino 21 - Não Mais Oprimidos Seremos
- Artist
- Douglas Alves
- CopyrightID (CopyrightChains transaction hash)
0x7f273f057f55fbf5c332ed0c4c1fdaf98359a71bc93bafb49df13bdb8253c308
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:bf896a0806706453b6a332dd7c8ad768e25689dd61d1250a3cd756d19f0a7e3d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2048163
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Hino 21 - Não Mais Oprimidos Seremos · Machine-readable JSON-LD