ISRC BRWMB9703139
Verified recording
BRWMB9703139 is “A última valsa” by Zé Fortuna and Pitangueira,
registered on the CopyrightChains blockchain with CopyrightID
0x2ec730ac977489046a347f6ed212c2bccec9e9ea82303f2b8580eb7ab84c8824 and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB9703139.
Recording identifiers
- ISRC
- BRWMB9703139
- Title
- A última valsa
- Artist
- Zé Fortuna and Pitangueira
- CopyrightID (CopyrightChains transaction hash)
0x2ec730ac977489046a347f6ed212c2bccec9e9ea82303f2b8580eb7ab84c8824
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:c85448f98bc3d064b67737464b5a1ae9e1993e15ae7ff7018b22fff10a43578c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRWMB9703139
- Bitcoin block existence check
- https://blockstream.info/api/block/960300