ISRC BRWMB9704734
Verified recording
BRWMB9704734 is “Quarto negro” by Leandro & Leonardo,
registered on the CopyrightChains blockchain with CopyrightID
0x04642ac4fc72bc51e25b4451f8b1809f827246876ce47513ab9e091fa0e410d4 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB9704734.
Recording identifiers
- ISRC
- BRWMB9704734
- Title
- Quarto negro
- Artist
- Leandro & Leonardo
- CopyrightID (CopyrightChains transaction hash)
0x04642ac4fc72bc51e25b4451f8b1809f827246876ce47513ab9e091fa0e410d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:7a14bd1e9b34b5d692bbf8687b8a052a5938052d12b7e7a2fecafc7ac0c33d9c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB9704734
- Bitcoin block existence check
- https://blockstream.info/api/block/953515