ISRC USXTN1043837
Verified recording
USXTN1043837 is “Valsa De Uma Cidade” by Os Cariocas,
registered on the CopyrightChains blockchain with CopyrightID
0xaaf1d6eef3314d8ecbdac2d481c486c53c0a001eb22dce75f3a5593c32c67bca 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/USXTN1043837.
Recording identifiers
- ISRC
- USXTN1043837
- Title
- Valsa De Uma Cidade
- Artist
- Os Cariocas
- CopyrightID (CopyrightChains transaction hash)
0xaaf1d6eef3314d8ecbdac2d481c486c53c0a001eb22dce75f3a5593c32c67bca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:b97ad329c0ac5e7fb4d1ad2db5a9bf003ff6e5da5d404e701df7edc290e9676c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USXTN1043837
- Bitcoin block existence check
- https://blockstream.info/api/block/960334