ISRC DEF059031921
Verified recording
DEF059031921 is “Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x38046794b3428e97070b9a33940a63c7b39c17d10653aec0ad192252a24849c5 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031921.
Recording identifiers
- ISRC
- DEF059031921
- Title
- Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x38046794b3428e97070b9a33940a63c7b39c17d10653aec0ad192252a24849c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:54d423ef03b57326dae143ec7168411101360267e276115cf6d5da5ea6229c04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031921
- Bitcoin block existence check
- https://blockstream.info/api/block/960254
Full record
Track page: Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 1 · Machine-readable JSON-LD