ISRC FRZ112000351
Verified recording
FRZ112000351 is “Chopin: 12 Études, Op. 10: No. 3 in E Major "Tristesse"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7067c8b9e34d5ef8e7025344b88447298baacb7230c95c42cec7b081393e106d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ112000351.
Recording identifiers
- ISRC
- FRZ112000351
- Title
- Chopin: 12 Études, Op. 10: No. 3 in E Major "Tristesse"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7067c8b9e34d5ef8e7025344b88447298baacb7230c95c42cec7b081393e106d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e3cbae4da951263f0788b805b40ff2a5492fd024ca4c731a8c444474446d1783- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ112000351
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Chopin: 12 Études, Op. 10: No. 3 in E Major "Tristesse" · Machine-readable JSON-LD