ISRC DEF059031925
Verified recording
DEF059031925 is “Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 5” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4355aadcf27fc473bd98029dfc7de2dc9f8ce4c3acef1c993d76a78592e692f5 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/DEF059031925.
Recording identifiers
- ISRC
- DEF059031925
- Title
- Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 5
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4355aadcf27fc473bd98029dfc7de2dc9f8ce4c3acef1c993d76a78592e692f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:33100a3f5f24f9c1e24b0543c91509bbd883dd81518679c12080aa20ce177306- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031925
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 5 · Machine-readable JSON-LD