ISRC DEF057104423
Verified recording
DEF057104423 is “Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 13” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x79a9332e5d9af739100e0ed9f46ceda44c545017f772478e0c719fa972734ed9 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104423.
Recording identifiers
- ISRC
- DEF057104423
- Title
- Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 13
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x79a9332e5d9af739100e0ed9f46ceda44c545017f772478e0c719fa972734ed9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:aa15315ae5a6f0d98b0fcb1105d8b86aa43c0c23e7574b3984c22cc9b09cb74b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104423
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 13 · Machine-readable JSON-LD