ISRC USV351311751
Verified recording
USV351311751 is “Lágrimas Negras - Bolero Son” by Alfredito Valdes,
registered on the CopyrightChains blockchain with CopyrightID
0x9644bcc23218499787338490a589b9ae9a55ba04fdd3a864139f3819aadf4b7a and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351311751.
Recording identifiers
- ISRC
- USV351311751
- Title
- Lágrimas Negras - Bolero Son
- Artist
- Alfredito Valdes
- CopyrightID (CopyrightChains transaction hash)
0x9644bcc23218499787338490a589b9ae9a55ba04fdd3a864139f3819aadf4b7a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:543d097c71f9dcc9ceb2882cc09d1b60d4468fee1fca49c1f10b18e31dfef207- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351311751
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Lágrimas Negras - Bolero Son · Machine-readable JSON-LD