ISRC DEF056400231
Verified recording
DEF056400231 is “Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": I. Largo - Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xd156310298a65d06723b7bc74e1c2de4dc3919fc7e7f9aaac8d1b400867f703d 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/DEF056400231.
Recording identifiers
- ISRC
- DEF056400231
- Title
- Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": I. Largo - Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xd156310298a65d06723b7bc74e1c2de4dc3919fc7e7f9aaac8d1b400867f703d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:82aecc316426641486cd974db1cd8bf33a17b6318cfa724d93709016a781224b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400231
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Piano Sonata No. 17 in D Minor, Op. 31 No. 2 "The Tempest": I. Largo - Allegro · Machine-readable JSON-LD