ISRC USBC10100488

Verified recording

USBC10100488 is “Mazurka in G Major” by Francisco Tárrega, registered on the CopyrightChains blockchain with CopyrightID 0xa353acdc4665e22ba7bf929a63c1a4d3edc64c114f468f469e74a19fa3d0b388 and independently timestamped in Bitcoin block 960327 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10100488.

Recording identifiers

ISRC
USBC10100488
Title
Mazurka in G Major
Artist
Francisco Tárrega
CopyrightID (CopyrightChains transaction hash)
0xa353acdc4665e22ba7bf929a63c1a4d3edc64c114f468f469e74a19fa3d0b388

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26+00:00
Bitcoin block
960327
Canonical record hash
sha256:3e8ea4b4f65e2be8c22d0fb426154be0884c8818ed4a7df27b2ce4e95cbdf7e9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10100488
Bitcoin block existence check
https://blockstream.info/api/block/960327

Full record

Track page: Mazurka in G Major · Machine-readable JSON-LD