ISRC DEF056530201
Verified recording
DEF056530201 is “12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x39ef548ea13ec069b64da3387add915c15b1760d09237f5b79850917cf13f0cc and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530201.
Recording identifiers
- ISRC
- DEF056530201
- Title
- 12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x39ef548ea13ec069b64da3387add915c15b1760d09237f5b79850917cf13f0cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:4ae09c08455b354a40b0c9409e01ef9d5055ea8ca977ddcea4bdae207b3f9e60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530201
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: 12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" · Machine-readable JSON-LD