ISRC DEF059203833
Verified recording
DEF059203833 is “Cello Sonata No. 3 in A Major, Op. 69: III. Adagio cantabile –” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x4985ea9928e2f67cb8479923df61639b96fce180c368bdcf5fb60e0e09dd796b and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059203833.
Recording identifiers
- ISRC
- DEF059203833
- Title
- Cello Sonata No. 3 in A Major, Op. 69: III. Adagio cantabile –
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x4985ea9928e2f67cb8479923df61639b96fce180c368bdcf5fb60e0e09dd796b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:837d2751b8297107e2b7871ff7d9e04a7000498b6327486e72b1aacdb45dfece- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059203833
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Cello Sonata No. 3 in A Major, Op. 69: III. Adagio cantabile – · Machine-readable JSON-LD