ISRC DEF057230004
Verified recording
DEF057230004 is “12 Études, Op. 10: No. 5 in G-Flat Major "Black Keys"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x23be54121b3e73cae89279020db6f0b19631ffb9aaebabea957f61d508746dcd and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230004.
Recording identifiers
- ISRC
- DEF057230004
- Title
- 12 Études, Op. 10: No. 5 in G-Flat Major "Black Keys"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x23be54121b3e73cae89279020db6f0b19631ffb9aaebabea957f61d508746dcd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:20632c3a339bb7d30e9e3cbbedac2bae4ba60755aa45b3a8df2b0241b5b51481- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230004
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Études, Op. 10: No. 5 in G-Flat Major "Black Keys" · Machine-readable JSON-LD