ISRC DEF057104421
Verified recording
DEF057104421 is “Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 11” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9c03b48620fda66b3892d1d27565ddc7e2e13410778e10d70eba54ac48db6b09 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104421.
Recording identifiers
- ISRC
- DEF057104421
- Title
- Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 11
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9c03b48620fda66b3892d1d27565ddc7e2e13410778e10d70eba54ac48db6b09
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6a6b86bbdcee856be8a8c2e3373bf73b8e70eeea1caa4c049eedb18b637fe5c6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104421
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 11 · Machine-readable JSON-LD