ISRC GBLLH1439703
Verified recording
GBLLH1439703 is “Sonata No. 29 in B-Flat Major, Op. 106 "Hammerklavier": III. Adagio sostenuto, appassionato e con molto sentiment” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xfa10fcfc862b1e2c8ed65b8d92c855d706df51bc32ad84a5d695d31fce554a3c and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1439703.
Recording identifiers
- ISRC
- GBLLH1439703
- Title
- Sonata No. 29 in B-Flat Major, Op. 106 "Hammerklavier": III. Adagio sostenuto, appassionato e con molto sentiment
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xfa10fcfc862b1e2c8ed65b8d92c855d706df51bc32ad84a5d695d31fce554a3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:3e915ea8f7e651bebc7a46192ce92ba50c0418c3ebe2f881d6b1a27b10d0edeb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1439703
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Sonata No. 29 in B-Flat Major, Op. 106 "Hammerklavier": III. Adagio sostenuto, appassionato e con molto sentiment · Machine-readable JSON-LD