ISRC DEF059603332
Verified recording
DEF059603332 is “12 Études, Op. 10: No. 5 in G-Flat Major "Black Keys" - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe8278e7da06d48d6833e41079e77ca3462c5e1cc0dfa2ec832881d958635712c and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603332.
Recording identifiers
- ISRC
- DEF059603332
- Title
- 12 Études, Op. 10: No. 5 in G-Flat Major "Black Keys" - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe8278e7da06d48d6833e41079e77ca3462c5e1cc0dfa2ec832881d958635712c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:4c453093fcc668438be5e23520e286e068746fb68e80a63aa49f3aea6ca3cd92- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603332
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: 12 Études, Op. 10: No. 5 in G-Flat Major "Black Keys" - Pt. 1 · Machine-readable JSON-LD