ISRC USV291347124
Verified recording
USV291347124 is “Que Nadie Sepa Mi Sufrir (Vals Peruano)” by Maria Dolores Pradera,
registered on the CopyrightChains blockchain with CopyrightID
0xbe815dc2aa1d78d4f4779c5fba087f0ddb6308c416694e496c3bef5fc4cebad7 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291347124.
Recording identifiers
- ISRC
- USV291347124
- Title
- Que Nadie Sepa Mi Sufrir (Vals Peruano)
- Artist
- Maria Dolores Pradera
- CopyrightID (CopyrightChains transaction hash)
0xbe815dc2aa1d78d4f4779c5fba087f0ddb6308c416694e496c3bef5fc4cebad7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:643595b77993335ef5591d236aa22b0368d10e4680e2f99c399c87355455c8fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291347124
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Que Nadie Sepa Mi Sufrir (Vals Peruano) · Machine-readable JSON-LD