ISRC USV291386457
Verified recording
USV291386457 is “Que Nadie Sepa Mi Sufrir (Vals Peruano)” by Maria Dolores Pradera,
registered on the CopyrightChains blockchain with CopyrightID
0x57cca08bee1e202c764b1d13e627d9e2d6b28885753b07dab0a4d8a8a2bbcfb5 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291386457.
Recording identifiers
- ISRC
- USV291386457
- Title
- Que Nadie Sepa Mi Sufrir (Vals Peruano)
- Artist
- Maria Dolores Pradera
- CopyrightID (CopyrightChains transaction hash)
0x57cca08bee1e202c764b1d13e627d9e2d6b28885753b07dab0a4d8a8a2bbcfb5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:800b0ba2c79f2220f97954c64a68217b5a168e2967ac3085c03b76754387f8a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291386457
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Que Nadie Sepa Mi Sufrir (Vals Peruano) · Machine-readable JSON-LD