ISRC DEF058501134
Verified recording
DEF058501134 is “Piano Sonata No. 30 in E Major, Op. 109: IIIb. Var. 1. Molto espressivo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf8e83e3f9ee40d45ab7ab2cfb5ec2503cf9281248307ff90f89bc29012cc0487 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/DEF058501134.
Recording identifiers
- ISRC
- DEF058501134
- Title
- Piano Sonata No. 30 in E Major, Op. 109: IIIb. Var. 1. Molto espressivo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf8e83e3f9ee40d45ab7ab2cfb5ec2503cf9281248307ff90f89bc29012cc0487
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2f61849302be9c957430ff608eb54de6d1c0303b7438332ef55a0e6eec225c5f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058501134
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 30 in E Major, Op. 109: IIIb. Var. 1. Molto espressivo · Machine-readable JSON-LD