ISRC DEAQ72249308
Verified recording
DEAQ72249308 is “Piano Sonata No. 12 in A Flat Major, Op. 26 "Funeral March": I. Andante con variazioni” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x472072c1590f7947c4d44cda8640c590c53be775cfe9c631a3ef8aabfeae51bb 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/DEAQ72249308.
Recording identifiers
- ISRC
- DEAQ72249308
- Title
- Piano Sonata No. 12 in A Flat Major, Op. 26 "Funeral March": I. Andante con variazioni
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x472072c1590f7947c4d44cda8640c590c53be775cfe9c631a3ef8aabfeae51bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d27470861c27a9b4529c6a45da7ab0a46dcf192a58739122e11d10f8d6efd210- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAQ72249308
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 12 in A Flat Major, Op. 26 "Funeral March": I. Andante con variazioni · Machine-readable JSON-LD