ISRC DEF056400132
Verified recording
DEF056400132 is “Piano Sonata No. 2 in A Major, Op. 2 No. 2: II. Largo appassionato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x61e46cd81de8024fcc85477abea8805a38f0c0fdb24922361121676b7d6a75d3 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400132.
Recording identifiers
- ISRC
- DEF056400132
- Title
- Piano Sonata No. 2 in A Major, Op. 2 No. 2: II. Largo appassionato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x61e46cd81de8024fcc85477abea8805a38f0c0fdb24922361121676b7d6a75d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:a7e5f780f4ab405753441b45643c683fe9745808bf82f5a0137d8e0b3d8c5f26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400132
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: Piano Sonata No. 2 in A Major, Op. 2 No. 2: II. Largo appassionato · Machine-readable JSON-LD