ISRC DEF055901004
Verified recording
DEF055901004 is “Sonata for Cello and Piano No. 3 in A Major, Op. 69: III. Adagio cantabile - Allegro vivace” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x69d446d513fd6e77f2cb91121bb807b5f0f494f62e9cdd1a2937d505ff24a8e9 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/DEF055901004.
Recording identifiers
- ISRC
- DEF055901004
- Title
- Sonata for Cello and Piano No. 3 in A Major, Op. 69: III. Adagio cantabile - Allegro vivace
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x69d446d513fd6e77f2cb91121bb807b5f0f494f62e9cdd1a2937d505ff24a8e9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:80810d52eda42a7071934b83fdb73183dc3b52986ae8b498a54bb2a0cf78f305- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055901004
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Sonata for Cello and Piano No. 3 in A Major, Op. 69: III. Adagio cantabile - Allegro vivace · Machine-readable JSON-LD