ISRC USBC18400183
Verified recording
USBC18400183 is “Etude in A Major” by Francisco Tárrega,
registered on the CopyrightChains blockchain with CopyrightID
0x3fa0f7b63a42878e94718d39f12d315f89fcdebca2a5e55dede98dd34c36fd4f 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/USBC18400183.
Recording identifiers
- ISRC
- USBC18400183
- Title
- Etude in A Major
- Artist
- Francisco Tárrega
- CopyrightID (CopyrightChains transaction hash)
0x3fa0f7b63a42878e94718d39f12d315f89fcdebca2a5e55dede98dd34c36fd4f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:1f7f7bb24728c591e669d36b621b2c399dd107eb891e21fd764a2fd11b33d4fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18400183
- Bitcoin block existence check
- https://blockstream.info/api/block/960327