ISRC DEN961100023
Verified recording
DEN961100023 is “Piano Sonata No. 3 in B minor, Op. 58: 3. Largo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3e7771bd69f212d9a272b0dadc1a4657eb1cf3d7ca5a9cc21d0402779e8e496a and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961100023.
Recording identifiers
- ISRC
- DEN961100023
- Title
- Piano Sonata No. 3 in B minor, Op. 58: 3. Largo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3e7771bd69f212d9a272b0dadc1a4657eb1cf3d7ca5a9cc21d0402779e8e496a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:7ba2ca59099d8de04cedd85d4c6bf7056f24bee24d1992d7358902c65d63c496- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961100023
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Sonata No. 3 in B minor, Op. 58: 3. Largo · Machine-readable JSON-LD