ISRC USL4Q2059793

Verified recording

USL4Q2059793 is “Lágrima” by Francisco Tárrega, registered on the CopyrightChains blockchain with CopyrightID 0x668e75a08ff6015149bf3b43889b0a4930ce6dec27c5376ec253f3e31c66d8a1 and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2059793.

Recording identifiers

ISRC
USL4Q2059793
Title
Lágrima
Artist
Francisco Tárrega
CopyrightID (CopyrightChains transaction hash)
0x668e75a08ff6015149bf3b43889b0a4930ce6dec27c5376ec253f3e31c66d8a1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:9cf0011d4d67daf1e79bbec31f2cf567252a52c287542f84fce9a9c8d94875e0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2059793
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Lágrima · Machine-readable JSON-LD