ISRC DEF057102573
Verified recording
DEF057102573 is “6 Piano Variations in F Major, Op. 34: Variation II. (Allegro ma non troppo)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe8a474fcadabbfa3236acaab6d4f76a5fbc70e7cd5ebe3456dfdd67cb63b0e7a 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/DEF057102573.
Recording identifiers
- ISRC
- DEF057102573
- Title
- 6 Piano Variations in F Major, Op. 34: Variation II. (Allegro ma non troppo)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe8a474fcadabbfa3236acaab6d4f76a5fbc70e7cd5ebe3456dfdd67cb63b0e7a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:25905eca211279a62a0ea60e42b0697241bec165e7c31320773f604cfd8fc265- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102573
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 6 Piano Variations in F Major, Op. 34: Variation II. (Allegro ma non troppo) · Machine-readable JSON-LD