ISRC DEF057104419
Verified recording
DEF057104419 is “Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 9” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9eb204c4066fafa8bc2e3a308300ae38485941efd1f8125573d108662851fc5c 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/DEF057104419.
Recording identifiers
- ISRC
- DEF057104419
- Title
- Scherzo No. 2 in B-Flat Minor, Op. 31: Presto - Sostenuto - Pt. 9
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9eb204c4066fafa8bc2e3a308300ae38485941efd1f8125573d108662851fc5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:ae67389255b048e96d9ba37e3e0bdd4ded5b41c3ad025ddcb2aea1b7b840418c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057104419
- 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. 9 · Machine-readable JSON-LD