ISRC DEF056500740
Verified recording
DEF056500740 is “Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante": Vivo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x84fe38c03618bedf9bc59001b314db83cfe1d792fa94db950c85cf65118c7c94 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500740.
Recording identifiers
- ISRC
- DEF056500740
- Title
- Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante": Vivo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x84fe38c03618bedf9bc59001b314db83cfe1d792fa94db950c85cf65118c7c94
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:8b9436c451843a1360e8736a2a6623a493760ebd39de79cecc00a79d0800693b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500740
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante": Vivo · Machine-readable JSON-LD