ISRC DEF059603330
Verified recording
DEF059603330 is “12 Etudes, Op. 10: No. 5 in G-Flat Major "Black Keys"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5c5d05b97162e5c4cb5feb6af0f7006204fc0281a1735d4ef8f20c58da35f21d and independently timestamped
in Bitcoin block 959114 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603330.
Recording identifiers
- ISRC
- DEF059603330
- Title
- 12 Etudes, Op. 10: No. 5 in G-Flat Major "Black Keys"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5c5d05b97162e5c4cb5feb6af0f7006204fc0281a1735d4ef8f20c58da35f21d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T08:41:42+00:00
- Bitcoin block
- 959114
- Canonical record hash
sha256:97563a84e562ad89ad630cbebeb0a6c310e7e448c92b549d89c85b23211862fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603330
- Bitcoin block existence check
- https://blockstream.info/api/block/959114
Full record
Track page: 12 Etudes, Op. 10: No. 5 in G-Flat Major "Black Keys" · Machine-readable JSON-LD