ISRC FRP900500270
Verified recording
FRP900500270 is “Valsa da Dor” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0xf3db53efc1934c2d7a5191045d73c18cb2b1cc5df891373e14bd47d75a55cba7 and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRP900500270.
Recording identifiers
- ISRC
- FRP900500270
- Title
- Valsa da Dor
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0xf3db53efc1934c2d7a5191045d73c18cb2b1cc5df891373e14bd47d75a55cba7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:e2f26ae1efd9de141335093e9c1b0db85c6123ff72faa99cbde142ff2a64377b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRP900500270
- Bitcoin block existence check
- https://blockstream.info/api/block/960404