ISRC GBSAM1740339
Verified recording
GBSAM1740339 is “Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x0464869623da1b25ef8be7f3d9aae9d62680f4cdddd86e068bbb32d424d6fa0e and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSAM1740339.
Recording identifiers
- ISRC
- GBSAM1740339
- Title
- Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x0464869623da1b25ef8be7f3d9aae9d62680f4cdddd86e068bbb32d424d6fa0e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:caf48566a00d1a8ef364c3227f60f0942d80946ef69c7d1c3914eda84197f612- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSAM1740339
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: Piano Sonata No. 21 in C Major, Op. 53 "Waldstein": I. Allegro con brio · Machine-readable JSON-LD