ISRC CALC42021228
Verified recording
CALC42021228 is “Violin Sonata No. 10 in G Major, Op. 96: II. Adagio espressivo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xe69c3e814fca466187c99a9097b79aa2236577d08158b95e5300644fdf343b5f and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42021228.
Recording identifiers
- ISRC
- CALC42021228
- Title
- Violin Sonata No. 10 in G Major, Op. 96: II. Adagio espressivo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xe69c3e814fca466187c99a9097b79aa2236577d08158b95e5300644fdf343b5f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:303032d779536287ad2c3273fde767f6b18cab38642f107b8cc2a52a0d1f7761- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC42021228
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Violin Sonata No. 10 in G Major, Op. 96: II. Adagio espressivo · Machine-readable JSON-LD