ISRC GBLLH1230804
Verified recording
GBLLH1230804 is “Piano Sonata No.21 in C major (Waldstein), Op.53: ii. Introduzione (Adagio molto)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xba6bbb8b78959752eeede42da0f8358d4e8cc674f935529b23f5de3ac8f58d98 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/GBLLH1230804.
Recording identifiers
- ISRC
- GBLLH1230804
- Title
- Piano Sonata No.21 in C major (Waldstein), Op.53: ii. Introduzione (Adagio molto)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xba6bbb8b78959752eeede42da0f8358d4e8cc674f935529b23f5de3ac8f58d98
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:eea1cf21655e22f0000370dfd33d435aba6c942ef94aeba29729eed5cdb64a05- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1230804
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No.21 in C major (Waldstein), Op.53: ii. Introduzione (Adagio molto) · Machine-readable JSON-LD