ISRC DEF053602271
Verified recording
DEF053602271 is “Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x5f019a519471cf27efdd6a2ca71b1b4832d0920652459a1f7a0dddb0fe872e8e and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF053602271.
Recording identifiers
- ISRC
- DEF053602271
- Title
- Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x5f019a519471cf27efdd6a2ca71b1b4832d0920652459a1f7a0dddb0fe872e8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:3a0903204e217c6073394988aeab0d938d7a4ce02cfe346361bcdf81970787b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF053602271
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto · Machine-readable JSON-LD