ISRC DEF059031922
Verified recording
DEF059031922 is “Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8239ce051078024c9689fbb6e400d548d24f609e4cef80c7e3dfd301a3a8598f 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/DEF059031922.
Recording identifiers
- ISRC
- DEF059031922
- Title
- Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8239ce051078024c9689fbb6e400d548d24f609e4cef80c7e3dfd301a3a8598f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d0a6a01448dada2065deb617bf0f4f45af9ebfd3a78dc2478f17ff5f72a55cc5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031922
- 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. 2 · Machine-readable JSON-LD