ISRC DEF059031923
Verified recording
DEF059031923 is “Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe25915afa9ed1180a2330ab14eb58cb2138a2c41d0e39e93e5d892fdc940f1f3 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031923.
Recording identifiers
- ISRC
- DEF059031923
- Title
- Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe25915afa9ed1180a2330ab14eb58cb2138a2c41d0e39e93e5d892fdc940f1f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:59fe90fdab7ae4d05a8f75ae01e6bf5645c5e939c3b1791398578d8316fdb275- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031923
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 3 · Machine-readable JSON-LD