ISRC NLHK12100011
Verified recording
NLHK12100011 is “Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2cdaac0ad2403e77d0e8dca1beba27e8aac5b0c3bfe19de803f743bd3fe5e802 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHK12100011.
Recording identifiers
- ISRC
- NLHK12100011
- Title
- Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2cdaac0ad2403e77d0e8dca1beba27e8aac5b0c3bfe19de803f743bd3fe5e802
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8576c398bc035f7d67b882ec3b37d3365fc93f0113ddd9932fcb35866eeeff34- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHK12100011
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo · Machine-readable JSON-LD