ISRC FRZ076101220
Verified recording
FRZ076101220 is “Invention à 2 voix No 1 en ut majeur BWV 772” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x05e826571cee02037a121a978e209b2d4d51274a6f64653cbd5ab2b7fd852367 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ076101220.
Recording identifiers
- ISRC
- FRZ076101220
- Title
- Invention à 2 voix No 1 en ut majeur BWV 772
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x05e826571cee02037a121a978e209b2d4d51274a6f64653cbd5ab2b7fd852367
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:ef42340944556725f5254350c9510749434f50d95334bbea48cd44cd423ad6e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ076101220
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Invention à 2 voix No 1 en ut majeur BWV 772 · Machine-readable JSON-LD