ISRC DEF056400144
Verified recording
DEF056400144 is “Piano Sonata No. 3 in C Major, Op. 2 No. 3: IV. Allegro assai” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x439a727980de9f72a87252a89e8b6c318d45bda032962a98470d26f62f9a023e and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400144.
Recording identifiers
- ISRC
- DEF056400144
- Title
- Piano Sonata No. 3 in C Major, Op. 2 No. 3: IV. Allegro assai
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x439a727980de9f72a87252a89e8b6c318d45bda032962a98470d26f62f9a023e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:5a6d6ece670b3b08e6b4d3161f2ed2d4db026a2fbc0b4a7fc98676c6f9800c1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400144
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Piano Sonata No. 3 in C Major, Op. 2 No. 3: IV. Allegro assai · Machine-readable JSON-LD