ISRC DEF056700403
Verified recording
DEF056700403 is “Piano Concerto No. 3 in C Major, Op. 26: III. Allegro ma non troppo” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x4b97ce4aa7ef26e7ff1e8df204bbbe6d6a725b3db0528264e3bc73080e3297bb and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056700403.
Recording identifiers
- ISRC
- DEF056700403
- Title
- Piano Concerto No. 3 in C Major, Op. 26: III. Allegro ma non troppo
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x4b97ce4aa7ef26e7ff1e8df204bbbe6d6a725b3db0528264e3bc73080e3297bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:7024d7481979f43286d5fd17697657cbe593a05b826998808de25add7adf42b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056700403
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Piano Concerto No. 3 in C Major, Op. 26: III. Allegro ma non troppo · Machine-readable JSON-LD