ISRC BRZ721200010
Verified recording
BRZ721200010 is “A Caixa” by João Martins,
registered on the CopyrightChains blockchain with CopyrightID
0x14a4fdcb8a630160fa37024db21cd2e5755791684594fa2d7bc328347464434f and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRZ721200010.
Recording identifiers
- ISRC
- BRZ721200010
- Title
- A Caixa
- Artist
- João Martins
- CopyrightID (CopyrightChains transaction hash)
0x14a4fdcb8a630160fa37024db21cd2e5755791684594fa2d7bc328347464434f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:c49603219d9176ce8f8d6d357682d254c63fcb161285c8c206bbf16a4d20db75- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRZ721200010
- Bitcoin block existence check
- https://blockstream.info/api/block/953528