ISRC DEF059031924
Verified recording
DEF059031924 is “Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 4” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4d5799bfaa2f3baa35b73e1f37b900151be788f287c73022b9817f41f3fbf9d7 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/DEF059031924.
Recording identifiers
- ISRC
- DEF059031924
- Title
- Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante" - Pt. 4
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4d5799bfaa2f3baa35b73e1f37b900151be788f287c73022b9817f41f3fbf9d7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e12e6604165cc4a4aeffd46fa4fbeade388e6444ca4c7dfacbee6f8089b788b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059031924
- 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. 4 · Machine-readable JSON-LD