ISRC DEF056400142
Verified recording
DEF056400142 is “Piano Sonata No. 3 in C Major, Op. 2 No. 3: II. Adagio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2fbf434a817d272e17e728c7f7c8e562e66424cf13280953441fab0c6c33ed63 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/DEF056400142.
Recording identifiers
- ISRC
- DEF056400142
- Title
- Piano Sonata No. 3 in C Major, Op. 2 No. 3: II. Adagio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2fbf434a817d272e17e728c7f7c8e562e66424cf13280953441fab0c6c33ed63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:01491d682869a6bb2b9fe15be3bcb436d4f4ece5a9ced8d420ba713cae2f5c80- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400142
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: Piano Sonata No. 3 in C Major, Op. 2 No. 3: II. Adagio · Machine-readable JSON-LD