ISRC DEF056400121
Verified recording
DEF056400121 is “Piano Sonata No. 1 in F Minor, Op. 2 No. 1: II. Adagio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2a0454ad31a6435ed549e8982bf283c2840e40a4fad1494dbf58902e852a76c7 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400121.
Recording identifiers
- ISRC
- DEF056400121
- Title
- Piano Sonata No. 1 in F Minor, Op. 2 No. 1: II. Adagio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2a0454ad31a6435ed549e8982bf283c2840e40a4fad1494dbf58902e852a76c7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:7ee0da2de74989c3f1c74e00773f2e23b42010b5ebb252698f8094c59fa8d21e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400121
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Piano Sonata No. 1 in F Minor, Op. 2 No. 1: II. Adagio · Machine-readable JSON-LD