ISRC FRZ201800086
Verified recording
FRZ201800086 is “Villa-Lobos: Guitar Preludes, W419: No. 4 in E Minor, Lento” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x4df407e2fe5dbbfea6e6a437857c6905f0b27dd895bf327a404aabb0ae1ced10 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201800086.
Recording identifiers
- ISRC
- FRZ201800086
- Title
- Villa-Lobos: Guitar Preludes, W419: No. 4 in E Minor, Lento
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x4df407e2fe5dbbfea6e6a437857c6905f0b27dd895bf327a404aabb0ae1ced10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:592b9ad4cbd6b2cd02136eebbdb55590b05e58c1497c91131c76130c626c67fb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ201800086
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Villa-Lobos: Guitar Preludes, W419: No. 4 in E Minor, Lento · Machine-readable JSON-LD