ISRC FRZ091500791
Verified recording
FRZ091500791 is “Polonaise et variation in F Major, BWV Anh. 117a-b” by Anonymous,
registered on the CopyrightChains blockchain with CopyrightID
0x4bfa3fe2655d1de051bd534aa793d9df6efc7cf2d88eb495f9b29c064e9dd50d and independently timestamped
in Bitcoin block 960506 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ091500791.
Recording identifiers
- ISRC
- FRZ091500791
- Title
- Polonaise et variation in F Major, BWV Anh. 117a-b
- Artist
- Anonymous
- CopyrightID (CopyrightChains transaction hash)
0x4bfa3fe2655d1de051bd534aa793d9df6efc7cf2d88eb495f9b29c064e9dd50d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:50:58+00:00
- Bitcoin block
- 960506
- Canonical record hash
sha256:3df865db5d16615722bda06aab3acdde5d0532d03a25e0a105e7e14f760423e0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ091500791
- Bitcoin block existence check
- https://blockstream.info/api/block/960506
Full record
Track page: Polonaise et variation in F Major, BWV Anh. 117a-b · Machine-readable JSON-LD