ISRC DEF056400122
Verified recording
DEF056400122 is “Piano Sonata No. 1 in F Minor, Op. 2 No. 1: I. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x40b03b3773cd90143c59bd74628faa61e8f88878972032385d9b03924a29f380 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400122.
Recording identifiers
- ISRC
- DEF056400122
- Title
- Piano Sonata No. 1 in F Minor, Op. 2 No. 1: I. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x40b03b3773cd90143c59bd74628faa61e8f88878972032385d9b03924a29f380
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:024e51cf5e320511e4a239951972c4fd50cec548b2244c0e566b6ffc1f2423d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400122
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: Piano Sonata No. 1 in F Minor, Op. 2 No. 1: I. Allegro · Machine-readable JSON-LD