ISRC DEF053502031
Verified recording
DEF053502031 is “Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc8d6457c9d9ce9d3c28d8fa1b6efe34ddff1f6c6e0cbc43ef602e152f49c1ebf and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF053502031.
Recording identifiers
- ISRC
- DEF053502031
- Title
- Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc8d6457c9d9ce9d3c28d8fa1b6efe34ddff1f6c6e0cbc43ef602e152f49c1ebf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:326f59701aa84bf37ff0cde25d2000ce94b1a9bebf8902d43d98c60375c90d62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF053502031
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: Violin Sonata No. 9 in A Major, Op. 47 "Kreutzer": I. Adagio sostenuto - Presto · Machine-readable JSON-LD