ISRC DEF055900683
Verified recording
DEF055900683 is “Piano Concerto No. 5 in G Major, Op. 55: III. Toccata” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x4a685e7523e9e37a541253097b3b67e63f4e1f40a682f688fccbef182edbb742 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/DEF055900683.
Recording identifiers
- ISRC
- DEF055900683
- Title
- Piano Concerto No. 5 in G Major, Op. 55: III. Toccata
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x4a685e7523e9e37a541253097b3b67e63f4e1f40a682f688fccbef182edbb742
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:44a9ca6883ef7b139be5e5e69a1a05e0c382f91c598f6a8da85adcc47849a94d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055900683
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 5 in G Major, Op. 55: III. Toccata · Machine-readable JSON-LD