ISRC DEF056507141
Verified recording
DEF056507141 is “12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt.1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf600a3aee5d1eccae92a665d6b8ac2aa1058d8b36716d8c9c084d60e6e11a508 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507141.
Recording identifiers
- ISRC
- DEF056507141
- Title
- 12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt.1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf600a3aee5d1eccae92a665d6b8ac2aa1058d8b36716d8c9c084d60e6e11a508
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:9137afba1c3b567118aef6b6e405f74ed7f21160524c07b9d99b45e0af061c42- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507141
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: 12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt.1 · Machine-readable JSON-LD