ISRC DEF059203841
Verified recording
DEF059203841 is “Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante –” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x22e8a1f76b8b6a9b44470febc10d907716f04f54c2b8b96fe1e33939340733aa and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059203841.
Recording identifiers
- ISRC
- DEF059203841
- Title
- Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante –
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x22e8a1f76b8b6a9b44470febc10d907716f04f54c2b8b96fe1e33939340733aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:d797ec1d90becd8214da18cb775ea991dfcbd415b93712795245f1041c857c1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059203841
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante – · Machine-readable JSON-LD