ISRC DEF056400134
Verified recording
DEF056400134 is “Piano Sonata No. 2 in A Major, Op. 2 No. 2: IV. Rondo (Grazioso)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf5c839ea22ef1196ee8d8504486fec6898f34df0d6ae4e24e3fe15007d22a3db and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400134.
Recording identifiers
- ISRC
- DEF056400134
- Title
- Piano Sonata No. 2 in A Major, Op. 2 No. 2: IV. Rondo (Grazioso)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf5c839ea22ef1196ee8d8504486fec6898f34df0d6ae4e24e3fe15007d22a3db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:e740007cb73a0a7e9afd9bd27ea3c768b9e3efa8f790a40b7585222e13927cd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400134
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: Piano Sonata No. 2 in A Major, Op. 2 No. 2: IV. Rondo (Grazioso) · Machine-readable JSON-LD