ISRC BRO9U1300013
Verified recording
BRO9U1300013 is “Ciranda do Rio” by João Arruda,
registered on the CopyrightChains blockchain with CopyrightID
0x7a9cb68b0c3a1891bb9645d4f60b42b65092992e0436b6845f0123bece5cd4c0 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRO9U1300013.
Recording identifiers
- ISRC
- BRO9U1300013
- Title
- Ciranda do Rio
- Artist
- João Arruda
- CopyrightID (CopyrightChains transaction hash)
0x7a9cb68b0c3a1891bb9645d4f60b42b65092992e0436b6845f0123bece5cd4c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:c48cd219a8d6f2e5931456ed8b43c7d85715883442e3225c745787b1903b16d7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRO9U1300013
- Bitcoin block existence check
- https://blockstream.info/api/block/960334