ISRC USU521300025
Verified recording
USU521300025 is “No Tengo El Valor” by Grupo Mania,
registered on the CopyrightChains blockchain with CopyrightID
0xef5c482d3848e3b83e2e78bbe394e7c4d22bf2b0ecc8e4dd3cb5298a703f29a1 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USU521300025.
Recording identifiers
- ISRC
- USU521300025
- Title
- No Tengo El Valor
- Artist
- Grupo Mania
- CopyrightID (CopyrightChains transaction hash)
0xef5c482d3848e3b83e2e78bbe394e7c4d22bf2b0ecc8e4dd3cb5298a703f29a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9689e6928d0c2f5f2252baeb5c17e0a8fcd431c74cfcf2fe03c11e646598f136- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USU521300025
- Bitcoin block existence check
- https://blockstream.info/api/block/956304