ISRC DEN961205222
Verified recording
DEN961205222 is “Piano Sonata No. 4 in E-Flat Major, Op. 7 "Grand Sonata": II. Largo, con gran espressione” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x63a6c876e766e66c0b2e6ad488831540c25573d2ac5fd51742e31d4c5115d766 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961205222.
Recording identifiers
- ISRC
- DEN961205222
- Title
- Piano Sonata No. 4 in E-Flat Major, Op. 7 "Grand Sonata": II. Largo, con gran espressione
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x63a6c876e766e66c0b2e6ad488831540c25573d2ac5fd51742e31d4c5115d766
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:7c11ebfcc6ee8686ce1921b3b5703ecc965ab432f5258974e71588058609611c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961205222
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Piano Sonata No. 4 in E-Flat Major, Op. 7 "Grand Sonata": II. Largo, con gran espressione · Machine-readable JSON-LD