ISRC FRZ132425012
Verified recording
FRZ132425012 is “12 Mazourkes de Frédéric Chopin: No. 8, Faible cœur !, VWV 4028” by Pauline Viardot,
registered on the CopyrightChains blockchain with CopyrightID
0x86ff3733ef4af85c7c608a5082ed07f8b3c2c82b8af5cc81cd3ac56e959dcb6e and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425012.
Recording identifiers
- ISRC
- FRZ132425012
- Title
- 12 Mazourkes de Frédéric Chopin: No. 8, Faible cœur !, VWV 4028
- Artist
- Pauline Viardot
- CopyrightID (CopyrightChains transaction hash)
0x86ff3733ef4af85c7c608a5082ed07f8b3c2c82b8af5cc81cd3ac56e959dcb6e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:9614609160dd55ad4160873243b12e89132b5d1d193fd3d6db2676c226e96543- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132425012
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: 12 Mazourkes de Frédéric Chopin: No. 8, Faible cœur !, VWV 4028 · Machine-readable JSON-LD