ISRC DEF057104413
Verified recording
DEF057104413 is “Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x73d72e5a90ed8a8776c20afb0c3e8b66b3f9828d1ba8abac42fbbdcd9fe43b6d and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104413.
Recording identifiers
- ISRC
- DEF057104413
- Title
- Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x73d72e5a90ed8a8776c20afb0c3e8b66b3f9828d1ba8abac42fbbdcd9fe43b6d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:2b126fd683754379f715a6a7a9dee2847b927f02eea31d38267fd2e568390240- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104413
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 3 · Machine-readable JSON-LD