ISRC US4R31237688
Verified recording
US4R31237688 is “Prelude No.3” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x2a650452fc87963095da61ca6d84912a6a2e02681802e0901cd0fa0d1b432ce9 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31237688.
Recording identifiers
- ISRC
- US4R31237688
- Title
- Prelude No.3
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x2a650452fc87963095da61ca6d84912a6a2e02681802e0901cd0fa0d1b432ce9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3b6b41f55d5688cadb0aa51a390ebc3911b4349a7a85fa4cbe6db3b8a65121ec- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4R31237688
- Bitcoin block existence check
- https://blockstream.info/api/block/957118