ISRC DEF059703261
Verified recording
DEF059703261 is “Piano Sonata No. 21 in C Major, Op. 53 - "Waldstein": I. Allegro con brio - Live” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc278850042f85f34ccbba8f10221618a485ec480ee5d2cd9d60d23d37a626c10 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/DEF059703261.
Recording identifiers
- ISRC
- DEF059703261
- Title
- Piano Sonata No. 21 in C Major, Op. 53 - "Waldstein": I. Allegro con brio - Live
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc278850042f85f34ccbba8f10221618a485ec480ee5d2cd9d60d23d37a626c10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f86b382dc807ac74dac17dbfeeea28e8bb17042e4068b9e99b61f7a7c9ebf8c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059703261
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 21 in C Major, Op. 53 - "Waldstein": I. Allegro con brio - Live · Machine-readable JSON-LD