ISRC DEN960800961
Verified recording
DEN960800961 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave – Doppio movimento - Recorded 2008” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4d2fc9ecd283e0308304c7c0bb4c08c67511d6d206fa02ea507c61942a60bab2 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960800961.
Recording identifiers
- ISRC
- DEN960800961
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave – Doppio movimento - Recorded 2008
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4d2fc9ecd283e0308304c7c0bb4c08c67511d6d206fa02ea507c61942a60bab2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:56f14208bd989b781bfe5b2f8d8539837831e4342737f237ff5707c0708c0e55- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960800961
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave – Doppio movimento - Recorded 2008 · Machine-readable JSON-LD